Stock C5 & C6 Corvette Tuning with HP Tuners (HOW-TO & is it Worth it?)

Рет қаралды 16,287

11 ай бұрын

You have a stock C5 or C6 Corvette and you are wondering how to tune it with HP Tuners. You are also wondering if HP Tuners is worth it? Watch this video and find out!
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Пікірлер: 69

@invertedpolarity6890 10 ай бұрын

Love your content. Would really enjoy seeing more HP Tuner content. Maybe go over your process for tuning and where to start.

@carbo2950 10 ай бұрын

Thank you for the science. Ls3 has been lean WOT now I have a fix.

@nikkoalpha2 10 ай бұрын

Great information. Love the new C6 content. Thank you for another excellent video.

@Toys4Life 10 ай бұрын

Glad you like them!

@ctvette1318 10 ай бұрын

Awesome video!! I learned a few things as well which is always a plus. Thanks for the video and can’t wait for the next.

@anthonysiegel4685 10 ай бұрын

I just considered a hp tuner. So now I will wait n see what your results are before I purchase. My C6 is stock other then cold air. Thanks for a great video

@Glide1992 10 ай бұрын

This is really good information. Thanks a lot.

@Toys4Life 10 ай бұрын

Glad it was helpful!

@scoutdogfsr 5 күн бұрын

Excellent video.

@Toys4Life 5 күн бұрын

Thank you!

@Rod58 8 ай бұрын

fantastic info thanks a lot. I just bought my first Corvette a 1998 and want it to last and at 75 its not that much to ask for ha we have two Corvette clubs near me so maybe I can have a member check mine on the hp tuner or I can buy one later since I have a job now in order to make my wife happy

@bradkeeney5236 10 ай бұрын

Thanks

@douglasjre 10 ай бұрын

On a C5 the air leaks come from the plastic tubing between the throttle body and the air filter. The mass air flow sensor is all the way out by the air filter and as a result all the plastic tubing leaks and all the connections. The solution is to get rid of the pinch clamp use silicone sealant and put hose clamps everywhere. As soon as you do that all the pinging stops. This is a classic problem to all the c5s but I can't speak for the C6. Likely there too

@Toys4Life 10 ай бұрын

I see your point on the C5. More connections and the bridge is hard plastic (less likely to seal). The C6 uses a shorter rubber connector between the Throttle body and the MAF - less likely to leak.

@ajcates9136 10 ай бұрын

More content sir if u lived closer I’d bring my car for you to tune

@y0ungtchalla420 10 ай бұрын

Thank for the video! Since you do a lot of the tuning yourself do you feel that putting a car on a dyno is worth it?

@Toys4Life 10 ай бұрын

For a bone stock C5 or C6 probably not. You can do all of the fine tuning on the street carefully. Once you start increasing the horsepower by more than just a little bit than absolutely, the dyno or the track. Dino is more efficient track is more fun by track I mean quarter mile track where you can tune from mile per hour. All that having been said, nothing beats a load-bearing Dino for tuning with some shake-down testing on the street.

@soybeanrice 10 ай бұрын

Dyno should be used in conjuction with HP tuners on the fly to get the most optimal tune. You can directly see what lambda produces the most power for the engine/fuel and program that for open loop (WOT)

@y0ungtchalla420 10 ай бұрын

@Toys4Life thank you so professional dyno for major mods such as cam, heads, intake work? And us hptuners as needed? My goal for my c6 is to have a dual purpose street and track car, I was thinking HPtuners would be good as I can do fine tuning of the car before and after I go to the track. Does thinking sound right ?

@y0ungtchalla420 10 ай бұрын

@soybeanrice thank you, see my reply to Toys would like your input on that line of thinking. So far the only mod I've done is headers for which I took it to a performance shop for dyno and tune.

@soybeanrice 10 ай бұрын

@@y0ungtchalla420 you should be running the same tune for both uses unless you are changing fuel type. A tune is to create the most power for open loop, typically by running a little more rich. Closed loop just goes to stoich (0 lambda). You cant do any of this without a wideband. You may need to adjust idle rpm depending on how aggressive your cam is. You may be able to adjust your rpm limit depending on the valvetrain components that you put in (stronger springs). I'm pretty sure disabling the 1-4 shift (CAGS) is a checkbox in hptuners. Will verify in a couple weeks. Your best bet is to get a tune as best as you can and then go to a dyno to finalize your tune.

@redvette2466 10 ай бұрын

Would changing my afr for 10% ethenol affect my dyno tune and do I need to adjust amy other tables or will all the other tables fall in place after I correct the afr? Please make some more tuning videos. I love your content, very informative.

@Toys4Life 10 ай бұрын

If they dyno tuned it and used the correct stoich for the fuel that was in your tank - you can change the stoich if you go to a different ethanol content fuel and that should be it. Unless you go to something like E85. You should change timing, injectors, fuel pump and perhaps some other items.

@redvette2466 10 ай бұрын

@@Toys4Life Thanks brother!

@soybeanrice 10 ай бұрын

I just picked up a C6 myself. Deciding on which headers to go and seeing which brands come with a wideband bung already welded. LTFTs arent really a great way to tune imo.

@Toys4Life 10 ай бұрын

In my opinion there is no reason you can't use long-term field trims for part throttle tuning. After all that's the way your car runs each and every time you run drive it. A quality wide band is obviously the only way to do open loop tuning. If I'm missing something, be specific and let me know please. Enjoy that C6!

@gentlemanfarmer2391 10 ай бұрын

A unrelated question, I have a C6Z06 and did a stage 3 cam and heads correction. With that change I was told to use a 160 thermostat, the fans are set to come on at 220 so what's the purpose of a 160 thermostat? So my questions is should I change the fan settings or change the thermostat back or meet in the middle with 180 thermostats. My thinking is that once that thermostat opens it just runs wide open and there is no change to exchange the heat and the temperature runs away. I have always had the thinking that you need to allow the coolant cool then to exchange it via the thermostat regulating and given time to cool the fluid. I would like to hear what the community thinks or has experienced along with your input.

@Toys4Life 10 ай бұрын

I cannot think of a good reason to use a 160 Tstat with fans set to come on at 220. What is the stock tstat temp for your year C6 Z06? 195??

@yesterdayz 10 ай бұрын

Great video. Did you sell the Pontiac?

@Toys4Life 10 ай бұрын

I did not, are you interested?

@yesterdayz 10 ай бұрын

@@Toys4Life lol...no. just wondering where you have it, been watching your videos for a while now, always saw it in the garage with the C5. Keep up the good work.

@kirkcunningham6146 10 ай бұрын

On the 96 C4, you need to drive approximately 60-70 miles before the long term and short term fuel trims line up after a tune. Its fun however at the same time, its a pain because even if you change one small or large parameter in whatever category your tuning, you still need to drive 60-70 miles to see or feel any changes made. I would assume the C5 and C6 will be the same. Because of that, It took me 3 solid months to street tune my 96 but its well worth it because along with my mods, my car is extremely fast compared to stock. Those timing retard tables will kill your horsepower. They are overdone by GM. Cut those numbers down a little bit as well as leaning out wot and small timing bumps and your car will be faster than it is now.

@Toys4Life 10 ай бұрын

I think they call it Block Learn Factor or something like that on the OBD 1 GM stuff. It's been a while (:-). Gen 3 and 4 GM PCM's adjust much much faster with the STFT and LFTS's. Yes, that knock is bringing down the power - that is what I am going to remedy in as we work through the process with this car (:-).

@kirkcunningham6146 10 ай бұрын

@@Toys4Life a 96 is OBD2 and tuneable with JETS DST. No chip. Be sure to check your torque management tables as well. You can give yourself 75% more torque and keep 25 in the car for protection. 🤟

@Toys4Life 10 ай бұрын

I forgot about that, I had a 95 Camaro that was OBD1 with an OBD2 plug. It was the oddball!

@kirkcunningham6146 10 ай бұрын

@@Toys4Life 😀 yeah buddy, really study those tables and videos on KZfaq. Goat Rope Garage has many videos on your years of cars. I learned a lot from that guy. He doesn't do much tuning videos anymore unfortunately due to the EPA cracking down I would imagine but there are plenty he left up for all of us to view.

@davidlong5287 6 ай бұрын

I know you posted this 3 months ago but im curious to know where you found the stoich ratio for the octane rating and ethanol. I picked up my 06 corvette about 3 months ago and my wife got me a mpvi3 for Christmas so im looking to start optimizing the tune for my car but i just dont quite understand how you got to 14.19 based on your ethanol percent. Any info would be greatly appreciated.

@Toys4Life 6 ай бұрын

Try googling ethanol fuel storage calculator. Should be able to find a couple of calculators you can bookmark or you plug in different ethanol contents and it spits out the stoichiometric ratio and their octane rating. I have one that I downloaded a spreadsheet for several years ago, but I can't remember exactly where I got it.

@stuarttraves8351 10 ай бұрын

Planing to merge a 1969 Pontiac Bonneville SSEI TO A Fiero so I’m quite interested in your site ! Is there very much data displayed on such an early version of OBD 2 with HP tuners? Also interested in the trans updates did you use a limited slip diff?

@Toys4Life 10 ай бұрын

Yes there's actually quite a bit of data, pretty much anything you can think of. No limited slip, as long as both tires have similar traction they leave two black marks. Generally, the Only time one spins as if one's on water and the other one's not.

@stuarttraves8351 10 ай бұрын

@@Toys4Life thanks I was hoping that is the case , did you use the dash from your donor car? I think it would be a good thing to do if it can be made to fit I like all your videos keep them coming and if you ever make a manual or book on the Fiero. Swap let me know I’d love to buy one ! And yes you HP tuner article s are easier to understand than a lot of other ones I’ve seen thanks again.

@dkp7895 10 ай бұрын

Have you thought about installing a 'Pedal Commander' on your C6? Seems like an inexpensive thing for maybe a little more fun on the street.

@Toys4Life 10 ай бұрын

I have to test one out with a free return policy, I'm not convinced it's going to make a big difference. Maybe I'm wrong?

@dkp7895 10 ай бұрын

@@Toys4Life From what I understand it doesn't actually improve performance but it 'feels' like it does because it makes the throttle respond more quickly. I think the C6 is the oldest Corvette version that they make one for because it was the first drive by wire Corvette. I really enjoy your videos and the information, keep up the good work!

@StreamwoodExplorer 8 ай бұрын

@dkp7895 ALL C5's were drive by wire from the factory. If it's DBC, it's aftermarket.

@Toys4Life 8 ай бұрын

That's true I believe. The pedal commander is an electronic device though for drive-by-wire cars

@yamaman1974 10 ай бұрын

I just put on full length headers on my C5. Was thinking about buying a HP Tuner but not sure if it’s worth it. May try and find a local tuner and see if they can do a tune that’s safe. Delete the rear bank 02 sensors. After I replaced the exhaust manifold now my car is burning lean. New plugs installed 35kms ago and now showing white tips. Getting codes P0140 and P0160. I had a guy take the rear 02 sensor out of the program As a delete but doesn’t appear that it was done now that I am seeing these codes. I’m almost positive that’s why my car is running lean now.

@Toys4Life 10 ай бұрын

I would guess at part throttle your long-term field terms are able to accomplish normal fueling. That wide open throttle I have no doubt you need a tune adjustment.

@Toys4Life 10 ай бұрын

He probably just turned the check engine light off. The codes still register.

@joelbornstein3243 10 ай бұрын

The check engine light can be commanded to stay off?

@yamaman1974 10 ай бұрын

@@Toys4Life the check engine light comes on and goes out when I reset those codes.

@Toys4Life 10 ай бұрын

@@joelbornstein3243 yes

@wowcolors 6 ай бұрын

What obd cable are you using, seeing if there is cheaper cable the HP tuners MPVI3

@Toys4Life 6 ай бұрын

Not sure, my HP tuners setup over 5 years old.

@manf442 10 ай бұрын

I recently purchased the HP Tuner. I live in Florida and it's real hot. I have a stock 1998 C5 Corvette. Can you recommend what tune up procedures I should take. I definately want to lower the theshold of the cooling fan(s), (runs around 200-225) but what else should do? Thanks in advance... Novice Corvette Owner !! Corvette Forum handle BORN53

@Toys4Life 10 ай бұрын

Follow this series - I plan to lower the fan temps a bit and will show how.

@manf442 10 ай бұрын

Thanks... I will