Lower your C5 Corvette's Coolant Temperature (6 methods explained!)

Рет қаралды 31,928

Күн бұрын

Your C5 Corvette runs hot in the summer, often hitting 230 degrees or more. Here are 6 ways you can lower your C5 Corvette's coolant temps down to the low 200's and get a bit more performance by doing so! Don't forget to make sure your Air Dam is in good condition!! Cheers!
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Пікірлер: 120

@nikkoalpha2 Жыл бұрын

Another excellent video that should clear up the confusion about coolant temperatures. Your recomendation against a 180 degree thermostat is wise. Our Corvettes are designed to run hotter than what most believe to be necessary. One small note: If one is panicking about higher coolant temperatures while sitting in traffic, turn on the AC and it will activate a coolant fan to help reduce the temperature. The best advice you noted was to clean out the front of the radiator and condensor from road debris. Thank you for another great C5 video.

@Toys4Life Жыл бұрын

That is true but - the problem is when you turn on the AC it runs the ac which means the condenser that sits in front of the radiator is getting warmer (shedding heat) directly into the radiator - thus eliminating some of the benefit.

@nikkoalpha2 Жыл бұрын

@@Toys4Life I agree with you. Just a small temperature drop but maybe enough to alleviate some owners' anxiety. Many of my fellow Corvette owners do not accept that these modern engines run hotter.

@Krusher_1970 Жыл бұрын

Highly informative video, as usual. Thanks for posting. 👍

@jimirox1928 Жыл бұрын

EXCELLENT information. Thanks so much!

@danielbudimir8519 10 ай бұрын

Really appreciate you...thank you for all of your valuable information.

@DigitalDissident Жыл бұрын

Something not mentioned for coolant temps, adjusting the ratio of coolant liquid to distilled water. If your area doesn't go far below freezing, add more distilled water. It cools better.

@ctvette1318 Жыл бұрын

Thank you for these videos! Very thoughtful and detailed even for those of us who turn wrenches often.

@GeekyJay79 Жыл бұрын

Incredible video. Really appreciate the time you put into this. I’m in southern MS…. Temps are rising and you have given me more chew on than than originally thought.

@pauljr.harrington1905 3 ай бұрын

I've been learning about the C5 platform for months now, thanks in part to you. I'll be getting one in at most a few weeks, so this is some great last-minute information.

@mwdunn3 Жыл бұрын

Great info as usual. I've been on that stretch of 75/85 N into Atl tooo many times to count. Time to blow out the radiators.

@JawkneeJay Жыл бұрын

I got the remote Cool It fan controller. Super easy install and i just keep the remote in the console for easy access when its needed. Keeps my ‘97 from overheating during the brutal Texas summers.

@NBFootball08 7 ай бұрын

Thank you. Best informative video ever. You are amazing dude.

@Toys4Life 7 ай бұрын

I appreciate that!

@philtroskey3454 Жыл бұрын

Wow from the good information I wish you were my neighbor can't get the garage to do all that stuff I live in Florida fell

@HusseinWN Жыл бұрын

such a great video keep it up .

@MrSolara7 Ай бұрын

One of my all-time favorite when Percus tells Andromeda the sight of her pierced him like an arrow, her beauty did the same to me. Still have a digital copy of the film and watch it at least twice a year. ❤

@Toys4Life Ай бұрын

Nice!

@christopherdutro168 8 ай бұрын

I bought & love the SAC CITY COOL IT. I live in Northern California where it gets HOT! it solved my issues. (Thanks for mentioning it)

@Toys4Life 8 ай бұрын

Great to hear!

@sethr.4600 Жыл бұрын

Good job.

@99bx99 8 ай бұрын

That was the best C5 presentation I've ever heard. Are you reading this or are you just that good? And yeah, me and my 99 FRC subscribed.

@Toys4Life 8 ай бұрын

Appreciate the comment!!

@1uzc562 10 ай бұрын

I live in Vegas and the temps have been starting at 90 degrees at 7am and going up to 110 around noon, my cars temps cruise around 210 - coolant and 230 - oil with very relaxed driving and very short trips. I just resently did a 160 thermostat and a street tune and had my fan temps lowered a bit, now my car has had 216 - oil and 205 coolant temps with some aggressive driving. I can say it was definitely worth doing both as it just give me a little bit confidence with my type of driving.

@bittman50 Ай бұрын

I live in Vagas also, where did you go to get your tune done?

@JoseRios-mv4up 8 ай бұрын

Thanks for sharing your knowledge , I have very good experience with standalone computers like Fueltech, AEM,Electromotive etc... with the Mazda Rotary engine and I got my first corvette 2003 C5 Z51 ìn Brandon FL, after I was trap in Traffic for over 1 hours and 30 minutes temp rising to 238° I was super concerned, thanks again 👍!!! I love you guys !!!

@JoseRios-mv4up 8 ай бұрын

I am open for suggestions also I got pretty good understanding on the Diablo sports , I not sure if I going with supercharger near to the future

@Toys4Life 8 ай бұрын

If you are going to supercharge down the road and do some of your own tuning - HP Tuners might be the way to go?

@lexxielex Жыл бұрын

Another great vid! Thank you for all the tips! I sent you an email about cooling adjustment with your HP Tuner software.

@mokeozinga7290 11 ай бұрын

Bought the ECP aluminum radiator for my '97 and, although I have no plans to track the car etc, I did notice the temps rising quickly when at idle in warmer temps- all the way up to around 220°F and zero fan activity. Noticed an immediate difference with the new setup, but will be resetting the fan temps for additional peace of mind. Now, regardless of what is 'normal' fluctuation for this car, I am still not comfortable knowing that my coolant temps will rise 30-40 degrees time and time again. I would tend to think that it isn't particularly good for an engine to experience such constant temperature differences, but that's just my opinion.

@Ken-op7sg Жыл бұрын

I have purchased a 50th anniversary Corvette with a manual six-speed about 3 months ago and I know clearly now that it definitely doesn't have a heating I'm not sure what the gentleman has done to it but clearly something was done that's something I don't have to tackle which is nice. I know also that the exhaust was changed putting in an x pipe and exhaust in the rear of the car with mufflers I know it's has a cold air intake which I was told was tuned on a dyno but what downtown's me is that I have played around on the street with two newer Corvettes and I have no problem stay with them actually embarrassing one of that too not sure what's been done to this car but you open up the hood and it looks stock besides that intake

@wydopnthrtl Жыл бұрын

Over many yrs I experimented with 160, 170, 180, 185, stock T-Stats. And that includes drilling bleed holes them, adjusting e-fan limits, and even trimming down the outside diameter of the water pump impeller. For the C5 here is my thought... if its STOCK run a 160 or 170 and have the tune adjusted for it. If its got a cam and/or you track it.. or live where you see 95F temps regularly.. swap the radiator for an all aluminum and increased capacity unit. And run a 180 and adjust the tune. My 04Z06 - three years on a 160 T-Stat and ECS tune. 10k miles including 100F in the south, road trips, and extended idling. No problems at all. My OIL temps are 172-176 in regular driving. Max I saw was 220 and that was running the tail of the dragon for 1hr in a lower gear. And that was only when I was at heavy throttle. Within 30seconds of backing off.. oil temp came downward (Mobil 1 10W-30) Coolant temps are in the 172F to 195F area no matter the temps or speed. I clean debris from my rad and condenser each yr before my annual drive to the tail of the dragon. One more point... I once got a mod combo that resulted in a run away coolant temp situation. That was a 5.0L mustang (1995) where I cut the impeller OD down, used a 160 T-Stat, and drilled a bleed hole in it. In knoxville Tn it kept getting too hot in stop and go traffic. I changed it to a 180 T-Stat w/o a bleed hole and it was fine from then on. The trouble that can happen is that the T-Stat stays open all the time, the coolant passes through the radiator too fast to cool off, and you get a thermal runaway situation. So raising the T-Stat opening point (in those situations) can give it just enough time to dwell in the radiator to cool off. IMO don't be afraid of a colder stat AS LONG AS the tune is adjusted for it. (there are several parameters that need to be adjusted.. not just the e-fan) btw... I was a water pump engineer at Ford for 6 yrs 😉

@Cobrabitn 10 ай бұрын

I so enjoy your videos. They are well explained with details and a common sense approach. While I understand your technical expertise about heat dissipation and everything you said was factual you never mentioned additives for your coolant. I can testify that water wetter does lower your temperatures 2 to 5 degrees once you add it it into the coolant. Also, is that a Fiero in your garage next to your C5 Corvette? Good job, keep up the good work and the informational videos. Tee

@Toys4Life 10 ай бұрын

I should have done a little more research on water wetter agents. I agree, I think they probably do help! Yes, that's a Pontiac Fiero with a modified 3,800 supercharged engine.

@petek6522 Жыл бұрын

I'm just watching to see what's up with the temperature, I don't remember what mine runs and don't think I really looked at it, I bought it new in 01 and just drove it to Florida and back then a little here and there, I plan on taking it out this year for some cleaning and a couple miles around it only has 7500 on it but has been sitting years again

@HAL-dm1eh Жыл бұрын

I'll just take that white Fiero Formula behind you. Thanks!

@Toys4Life Жыл бұрын

If the price is right....

@raymondrobinson2419 7 ай бұрын

Thanks good video, are you going to Bowling Green, Kentucky next Year for the Corvette Caravan?

@Toys4Life 7 ай бұрын

Thank you! Maybe on the CC - it sounds like fun!

@kirkcunningham6146 Жыл бұрын

On my 96, a 160 degree thermostat along with setting fans to on at 200 degrees and 205 degrees for the C4 LT-1 is a perfect setting. For the LT-1, you do get slightly more power by doing that. I would imagine the same for your car but mine is tuned with Jets DST. Installing a 160 degree thermostat insures you can increase timing with less of a chance of knock. As soon as I made that change, my 96 ran better and did feel slightly more power resulting from it...

@Toys4Life 7 ай бұрын

Not sure how a 160 thermostat keeps it cooler actually, it's going to blow past that and not look back, unless it's ❄️.

@bigbenisdaman Жыл бұрын

Been seeing a few in the Facebook group lately with new splitters with overheating problems afterward, might make for a good vid.

@johneggert1824 Жыл бұрын

I trimmed my front air lip sense I am lowered on stock bolts. Since then I have definitely noticed a decent jump in my temperatures. In Houston heat It definitely makes me worried since The temperature gauge goes above 235 pretty frequently. Especially in slower driving speeds Around town and up to 50 mph. Once at free-flowing highway speeds above 65 things cool down a lot.

@d.j.9961 9 ай бұрын

Plz keep in mind that I have no experience with Corvettes however, (several things) I know they share many parts as any other G.M. vehicle uses! Secondly, I have wired up several cooling systems! Also, I drive a pontiac & I had never heard my cooling fan operate, so I began testing. All parts worked fine, the car just never reached 220-230° degrees but, I wanted to ensure that I could turn on my fan at any moment so, I poked around my fusebox cooling fan relay until the fan turned on (with the test light attached to a GROUND) I ran a wire into the vehicle, attached a 2 pin toggle switch, then connected the second pin directly to ground/sheet metal under the dash! I can control my fan at any moment yet, The fan still works at its normal temp specs! I am pretty sure the Vette uses the same exact fuse block as my G.M. so yeah. One visible wire to a toggle & a short wire under the dash which is unseen!

@DigitalDissident Жыл бұрын

The stock operating temps for my 135i N55 are 120C. I lowered them to 90C mostly by upgrading the oil thermostat housing. I also opened up the engine bay & set the radiator fans to sport which accounts for about 5C reduction. Even at autobahn speeds I don't ever get near stock temps anymore. Really helps with longevity & reducing stress on oil & plastic components. No additional aftermarket oil cooler is needed and the warm up time remains the same.

@Airman.. Жыл бұрын

Engineers wanted a cleaner/efficient combustion over a less cleainer less reliable engine

@mwp1088 10 ай бұрын

You need your oil temp over 100 C to boil the water out. Also the hotter you can run your engine without detonation and knock, the more efficient it will run.

@DigitalDissident 10 ай бұрын

@@mwp1088 I don't notice more or less consumption. The temps are slightly above 100C when driving 220-280kmh for a few minutes. I think hotter temps are worse

@BrawlerTheSmokyDutchMan 9 ай бұрын

@@mwp1088 Water already evaporates at lower temperatures. But tollerances are designed for a certain temperature and Oil is designed for a certain temperature. @digitaldissident : did you change to different oil too? Maybe added a oil catch can for the increased blowby? I am curious, never heard of a 120c engine😊

@basicdetail4512 Жыл бұрын

Great job t4f ! i really like your videos ! I install saccity wire relay on m'y c5 IT does a Great job and like you said fairly easy to install ! Im Curious to Know if you have take a look to the video i have done about IT 😊

@Toys4Life Жыл бұрын

I just did, nice job & good choice going with the switch IMO!

@basicdetail4512 Жыл бұрын

@@Toys4Life thanks m'y friend ! I appreciate

@matthewboudreaux2693 Жыл бұрын

I’m late to the party but some great info here. Another temp to try and would be oil temp. Mine will get up 265 on hot day with a heavy foot, but it normally will come down quickly and run in the 215 to 235 range.

@Toys4Life Жыл бұрын

With synthetic oil I wouldn't worry about that too much. You certainly could add an external oil cooler. Mine rarely get over 240 - but I will try to keep a better eye on them!

@wydopnthrtl Жыл бұрын

265 wow... most I ever saw was 230F in my C5 Z06.

@TheTmshuman 9 ай бұрын

Get a dewits radiator that has a heat exchanger for your oil. As long as you’re moving, your temps will be fine. Uses engine coolant to cool oil.

@Glide1992 Жыл бұрын

Good information. I find a lot of crap up against the condenser that needs attention monthly. I never thought of trying my Diablosport Trinity on my C5 to adjust fan temps. I am going to do that. Not sure if that is available in the unit. I bought the Trinity for my pickup. Another thing I have been meaning to ask. I see the 50 AE badge on the hatch. What happened to the front fender badges?

@Toys4Life Жыл бұрын

Thank you!! My car is not the Anniversary special edition. it is just a 2003 and I think even the normal ones have the special hatch badgh.

@matthewboudreaux2693 Жыл бұрын

⁠@@Toys4Life All 2003 models have the silver front and rear emblems with “Anniversary 50” at the top of the emblem. Only the Anniversary Edition came with the fender badges. Though I have seen some that owners have added to the fenders on none AE cars But those baby’s must be made out of Panda cause Ecklers had them on their website a couple years ago for like $250.00 a piece.

@One-way 11 ай бұрын

@@matthewboudreaux2693I removed the front badge… BEST upgrade I did… no more wax I can’t clean out

@louismendez6593 11 ай бұрын

New to the Corvette world, just picked up a 1999 C5 last night. Today in the DFW, we hit 104. When I got home I noticed my temp gauge was at around 3/4s, I see many people talking about degrees, I am not sure how many degrees 3/4 is on the gauge. Because of that, I am here. If this is an option on the dash/cluster to display the actual temp degrees then I apologize.

@Toys4Life 11 ай бұрын

It actually does, it's going to hover between 2:20 and 2:30 on a hot day. Enjoy that new car!

@louismendez6593 11 ай бұрын

Thank you @@Toys4Life , she has been a blast. Finally got on her a little last night.

@Emilthehun 6 ай бұрын

I have the hood louvers and the remote switch. Although my car is not tuned , the only yime i use the remote , if we sit in traffic on a really hot day with the ac on. Cruising at 65 70 there is never any need

@Toys4Life 6 ай бұрын

Oh, I bet those louvers help quite a bit!

@caddymac6917 8 ай бұрын

Good information, does this also apply to a C-6

@Toys4Life 8 ай бұрын

Most does!

@jpro8724 Жыл бұрын

Curious your thoughts on how the addition of headers will impact underhood temps. I plan to install Kooks headers when they arrive and a cool air intake with a tune.

@wydopnthrtl Жыл бұрын

They definitely add heat to the engine room and center of the car in slower driving.

@Toys4Life Жыл бұрын

Agreed 👍

@brianbird3756 Жыл бұрын

Disagree on the 160° thermostat. You can always play with the fans to make it warmer, but you can't if the cooler coolant isn't there. I run 160s in all of my LS vehicles and i use HP Tuners to modify the fan settings for a normal operating temperature of 185 on a 70ish degree day. This equates to around 210° sitting in traffic on a 110° day and around 170° when it's freezing outside. This equates to lower temps all around including oil temps of less than 250 when giving it the beans on said 110° day...

@Toys4Life Жыл бұрын

What temp do you suppose your engine would sit at on a 55 degree day taking a road trip (averaging 65mph) down the freeway to the Corvette Museum with a 160 T-stat?

@brianbird3756 Жыл бұрын

@Toys4Life stays around 185 on the highway in most conditions. During the colder winter days that I was willing to drive it, I think the coldest it got on the highway was around 175-177. I don't drive them daily. My daily is provided by my company. I do a majority of my highway driving during these 110° summer days. I can alter the fans to make it run hotter though.

@tigeroftheeye7121 Жыл бұрын

The last C5 rolled off the assembly line almost twenty years ago. I wouldn't trust the plastic after that long & tons of heat cycles. Good time to replace w a new one anyway. Cheap insurance.

@Toys4Life Жыл бұрын

Good point, that having been said I'm amazed at how long plastic radiators last. I have another one that's from the mid '80s in my supercharged 3800 Fiero, still going strong.

@wydopnthrtl Жыл бұрын

It's the rubber seals that degrade the most w/time and thermal cycles.

@tim1299 Жыл бұрын

I had no ability to use the key fobs or tire pressure monitoring system. My RFA module had the green crusties. I replaced the module and have been able to reprogram the key fobs, but the tpms is not showing up in the DIC. Any suggestions. Does the BCM need reprogrammed with RPO configuration in body control systems? thank you.

@Toys4Life 7 ай бұрын

www.corvetteforum.com/forums/c5-tech/3503367-keyless-entry-rfa-module-not-working.html

@ValyndiirTV Жыл бұрын

I have an ECP radiator in my M6 2000 and it performs significantly worse that the stock unit, which unfortunately sprung a leak. The customer service was okay, the two owners are pretty decent chaps. The first one they sent me was a leaky mess and I replaced every part of the cooling system until I finally figured out that the radiator was leaking from between the fins. They sent me a second one. It did not leak, but it performed the same. I was really hoping it would be at least an improvement to the stock radiator. With the AC on max with the stock unit the engine never went past 192 sitting idle and the AC blew cold enough to form condensation on the windows. Sitting idle the new radiator with the AC on max the car will get to 230 and the second fan will cut on to bring it down. I should mention that the AC will not blow as cold as it did with the stock unit and when the car is getting to 230 the AC barely works. It does, however, work well while you are driving and maintains a stable temp of 192 and the AC will blow.... cooler but not like it would before; I do not believe it flows as well as the original. I think I will scrape together some cash for a Dewitts. I should add that I have kept my AC maintained in tip-top shape

@Toys4Life Жыл бұрын

If that's true, the coolant must not be going through the whole radiator cuz I believe it's a two-core correct?

@ValyndiirTV Жыл бұрын

@@Toys4Life Two-core is correct. If it is a coolant flow issue it does not explain the AC warming at idle yet cooling while driving. I think the design is airflow restricted rather than coolant restricted. I could rig my fans to run high all the time. Or maybe justify hood vents and a fan upgrade? 😄 I actually have a third and brand new ECP unit sitting on a shelf still in the box because the owners sent it to me free of charge assuming there were flaws in the first two. The second radiator they sent wasn't even tall enough to mount properly to the upper radiator support and bushings. I found this discovery baffling. Considering the QC issues, I am having trouble believing a third swap would result in any difference; After the fight with the first and second units I am burnt out and hesitant to put more labor into it. I am considering just selling it to reclaim some cash to stick into a Dewitts fund. I do not think I can justify the labor required to swap it just to snuff out the glimmer of hope that it rectifies the issue. Assuming my experience is the same for other owners, I wonder what this is doing to the automatic cars out there...😬

@TheBarracuda06 9 ай бұрын

Do you have a video regarding sloppy steering?

@Toys4Life 9 ай бұрын

I do not, sorry 😞.

@peterb4143 10 ай бұрын

Love my Dewitt’s radiator. Coolant sits low 180s on a hot day and 170s on a cool day, with oil under 210 on a hot day and 190s on a cool day. The little radiator stock c5s have is a joke

@clevelandrocksdzd 7 ай бұрын

Speaking of temps, what is everyone’s hot idle oil pressure?

@Toys4Life 7 ай бұрын

Depends on how hot it is. 25 plus is good at idle.

@darnelldevadass4210 Жыл бұрын

Is there a way I can message you? I just had a couple questions about my C5 hoping you’d be able to help me out haha.

@Toys4Life 7 ай бұрын

You can ask it here, it may help others and others might help provide answers?

@theresanoble4687 9 ай бұрын

My A/C doesn't work....new condensors but still does not work. Does this affect engine?

@Toys4Life 9 ай бұрын

If there is no AC pressure, the computer won't trigger the AC compressor to run. Should be fine.

@Bersto36 Ай бұрын

I love in south Florida and it’s getting extremely hot. My coolant and transmission fluid temps get close to 230f. It’s really starting to worry me. I know the c5 runs hot but is this TOO hot?

@Toys4Life Ай бұрын

Automatic transmission I presume, do you have a cooler on it?

@Bersto36 Ай бұрын

@@Toys4Life you are correct, it is automatic. I purchased it a few months ago and there is not a cooler on it

@Toys4Life Ай бұрын

I would probably get the fans to come on sooner. That should lower both temps. Have you cleaned out your radiator thoroughly and condenser. Not sure if you're aware but your transmission does have a little bit of a cooler in the radiator.

@Bersto36 Ай бұрын

@@Toys4Life I have not but it’s definitely something I’m going to do. I’m getting the car tuned so I will definitely have them turn the fans on earlier. I did not know the transmission had a little cooler. That’s interesting

@link9alink9a71 Жыл бұрын

1 👍

@MC-uj4co Жыл бұрын

It's simple drain the dexcool and put distilled water and hypercool in put a 160 termastat in get the fans to to on at a. Lower temperature keep the cooling system clean I live in FL and my C5 04 with a BTR stage 4 cam black on black super cold AC runs around 168 to 180 trans temperature around 145 oil temperature 196 to 212 coldest running and best running C5 out there. Runs 10's in the 1/4 gets 23 mpg at 85 mph and 32 at 55 mph now stop light to stop light it eats fuel like 9 mpg Google Sweet Corvette on You Tube

@Toys4Life Жыл бұрын

Nice!

@cpressl90 Жыл бұрын

How about hood vents, anyone have any before and after data?

@Toys4Life Жыл бұрын

Oh, they would absolutely help. I could have included those this method number seven but it's a little extreme for most (:-).

@wydopnthrtl Жыл бұрын

Tape some yard to your hood w/vents and take a drive. I did 20+ yrs ago. You might be supprised

@dragracin5 Жыл бұрын

If you turn on the ac the 1st fan kicks on

@Toys4Life Жыл бұрын

That's 100% true, the only problem is since the condenser is ahead of the radiator it starts releasing heat Right into the airflow heading to the radiator. Extra heat negates much of the benefit.

@Toys4Life Жыл бұрын

That's 100% true, the only problem is since the condenser is ahead of the radiator it starts releasing heat Right into the airflow heading to the radiator. Extra heat negates much of the benefit.

@chemicalspore Жыл бұрын

I have HP tuners II. Woohoo

@user-ys9to2ie7k Жыл бұрын

People don't understand temperatures - when a car is performing at its maximum running mine up and around redline for an extended period of time the temperature of the oil has never exceeded 243° and the water temperature is in a respectable 230° , now I will watch your video to see what you have to say ¿`_

@Toys4Life 10 ай бұрын

Well, what do you think?

@user-ys9to2ie7k 10 ай бұрын

@@Toys4Life GM did the research and development and that's why the first fan comes on at that temperature and then the second fan then as a backup because they know those temperatures are acceptable, especially knowing that most Corvette owners drive them like old lady ¿`_

@Toys4Life 10 ай бұрын

Agreed, they are acceptable. But that's not the same thing as optimal in my opinion.

@JohnSmith-ti2kp 9 ай бұрын

@@Toys4Life Nor are they acceptable for me. I read or was told that the reason the temp. gets so high at idle is for emission reduction. Can you find any confirmation on this?

@richardelliott8352 Жыл бұрын

I am kind of skeptical of any advice that suggests that someone is going to out engineer the professional engineers that developed all the interdependent C5 systems. Especially when the potential for a commission is in play. The C5 already uses a fuzzy logic in the engine control , so unless you have a very specific need , another tune is not needed. Same advice goes for seeking another temperature, you are trying to fix something that is not broken. Kind of like applying old piston technology to a jet engine and trying to correct all the flames coming out, because engines didn't use to do that. The radiator advice about the southwest needing a replacement radiator that is heavier and operates outside of the original design specification completely ignores the extensive testing done in death Valley as part of routine product development . Believe me, GM is not going to release a car incapable of running satisfactorily in such a large portion of the american market. Heat soak happens to every car, it is not something that needs to be fixed, and there is ventilation, the fans still come on when the design temp is reached, even when the car is parked. . One needs to consider this car was designed with supercomputer time , the ignition event is optimized for the designed heat range, which is measured in the mass air velocity sensor, and accounts for for performance down to the swirl inside the heads that the air density effects as it mixes with the fuel . You start altering the original design by modifying one of the interdependent systems , chances are you will lose efficiency, and efficiency is power, not just a gas milage figure that some people seem to think just randomly happens. ' These cars are not like the old days, where you could just buy a speed part and slap it on. Back in those days an engine with features like the LS 1 with an aluminum block and fuel injection would be would be a race engine featured in a magazine, and wouldn't go 200, 000 miles with just oil changes, and as designed maintenance.

@Toys4Life Жыл бұрын

Appreciate the comment as always. Why did the engineers have the thermostat open at 187. If optimal was 210 or 220, they could easily have the thermostat open there. It's not a mass air velocity sensor. It is a mass air sensor. It detects the amount of the air. That way it knows how much fuel to mix. Engineers at the OEM level have to compromise between several things. Enthusiast can switch the compromise equation around a little bit if they want. I clearly said this isn't necessary, but some people like me want to do it and I would say it's absolutely worth it.

@gotmylk Жыл бұрын

One critical thing not being taken into account when it comes to the engineers of any car including the C5. Profitability & strict budgets requiring the lowest bidder to provide the parts for the build. Now for the engineers…those same geniuses that designed the wiring harness to exist under the battery tray where side post batteries that were prone to leak lived in the top bunk. Let’s not forget the amazing column lock feature they designed into the build that GM’s own recalls could not solve for. Then we have the udders just in front of the fire wall that if clogged cause water to find it’s way into the dash to douse the passenger kick panel fuse box to fill with water. Or those same engineers that put the oil pressure sensor under the wiper cowl requiring either the intake be removed or some crafty wrench work with a swivel extension to replace the OPS. Or the PCV designs that cause oil to pool in the intakes and cause carbon buildup on the pistons. Or the early model EBCMs that fail and can’t be repaired. I can think of at least 5 more shortfalls of the GM engineers when they designed the C5 or used sub optimal parts in the build to meet budgets. Reducing operating temps is always a goal for those modifying their cars and running power adders. If you’re happy with your mediocre stock C5 great! If your not willing to settle for mediocrity on the performance front modifications must be done to the C5. I love the C5 as a starting point. (enough to have owned 3 of them and one for 25 years). I just needed to pickup where the budgets and engineers fell short.

@christopherdutro168 8 ай бұрын

That's telling him😂

@SpeedTubeTv 10 ай бұрын

Water wetter $15

@Toys4Life 10 ай бұрын

Worth it for a few degrees for sure!

@MrMisanthrope1RBjr 9 ай бұрын

Dewitts

@Airman.. Жыл бұрын

C5/C6 have a very inefficient cooling system and it's vey bad for a boosted LS especially in a hot environment Too bad GM engineers preferred aerodynamics over a better cooling system lacks