Part II. Is It Worth It? Performance Chip Upgrade.
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2 жыл бұрынPart II in our performance bolt on series. Today i add a performance chip to my 1985 L98 Corvette and see if its worth it or not.
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@dalemihocik4732 2 жыл бұрын
WOW , an honest evaluation of a questionable device claiming a power increase . We need more people like you around .
@etwasbauen6615 2 жыл бұрын
Thank you! i appreciate it!
@brandonbelongstocharlottef1798 2 жыл бұрын
A good tip for better throttle response and low end performance is set the TPS voltage at .67 or so ...made a significant improvement on my modded engine maybe it would work on stock an mild motors too 👍
@etwasbauen6615 2 жыл бұрын
Nice! Thank you for the tip!
@scoutleader06 Жыл бұрын
dont you get a code at .67 volts ?
@rcflightz2058 Жыл бұрын
Really well done, informative, well laid out, I’ll definitely being checking out anything you put on the 85’ Vette!
@etwasbauen6615 Жыл бұрын
Thank you.
@AW-of2nb Жыл бұрын
I might be wrong on this but i feel like this is one of those mods that you can only really tell a difference with if you use it in tandem with stuff like exhaust and intake upgrades.. beautiful vette btw
@daveunbranded 7 ай бұрын
If you have no cat, you probably need to do a stage 2 chip
@xlr8r3VA 10 ай бұрын
Maybe you already know this, but the chip in and of itself does not provide any real performance gains. However, what the chip does do is prepare your car for additional performance enhancements like exhaust, cold air, cam, and head swaps. When you start adding things that make more power, the fuel map and tables need to be updated to accommodate the additional performance gains. I'm looking forward to doing a TPI Corvette, but I have to finish my '83 Z28 first.
@sebbonxxsebbon6824 2 жыл бұрын
A cat back provides really good power, I went with a TPIS flowmaster system in my 1985 Better.
@etwasbauen6615 2 жыл бұрын
Thats a good idea. ill check it out.
@v10tt 10 ай бұрын
I’ve followed your bolt on mods, what is the stock power at the wheels on the TPI L98? How about the way it sits now? Rwhp? Thanks !!
@SoloAscent 2 жыл бұрын
Red C3 in the background…..subscribed instantly….
@etwasbauen6615 2 жыл бұрын
Thanks ! I have some videos on that car and more to come with it too!
@lappydog9020 Жыл бұрын
My best mod to date...got rid of my 1990 and got a 2016 zo6. Power gain of 350hp and tripled the torque
@floridaebb 9 ай бұрын
I noticed the brake light was on. What’s the common cause of that?
@yokoshemp Жыл бұрын
I had an L98 in my Formula 350. Tried a performance chip and shims in the throttle body. Meh... totally not worth it. At one point my mpg dropped to 11mpg. Sure it was faster but nothing great or amazing. Took all the crap out of it and mpg went back to 20mpg. It would still burn the tires like a demon.
@andydhillon1977 Жыл бұрын
Good video. What I do in cases like this is race a friend in his car. That way you can visually see the difference, if any.
@scottfarrer8180 2 жыл бұрын
Nice video!
@etwasbauen6615 2 жыл бұрын
Thanks!
@MasterWitchDoctor 2 ай бұрын
the chip is more or less just a timing curve change and transmission shift point. I sent my computer to Kenne - Bell and had them reprogram the entire computer. Now you can get a Holley or Fast XFI and its a whole lot better. Wasting money on a "Super Chip" is about as effective as a fart in a whirlwind.
@EvanBalestri 2 жыл бұрын
I also have a manual 1985 c4, can you please make a video explaining the shifting/gear ratio and also explain the overdrive system. Mine never turns off and not sure what type of repair i need to do. It is always on in second gear and sometimes in 3rd. Thanks
@etwasbauen6615 2 жыл бұрын
Hi, thats a good idea. ill look into it! thanks
@getoffmydick777 2 жыл бұрын
Honestly I never use the overdrive feature unless I'm really tryna up my mpg
@gregpenner2876 Жыл бұрын
There’s a guy here on KZfaq that rebuilds them and has a pretty good walk through on how the 4+3 overdrive works. Basically,if your going to build the motor to make any real hp swap that out for a 5 or a 6 speed. Otherwise,change the oil and the filter on a regular basis and don’t beat on it and it’ll last. It came about because of the smog regs. There really wasn’t a 6 speed manual back then and they were trying to keep the fuel milage up and that overdrive was developed to make that possible avoiding the tax issue. It’s a quirky relic. It is really kinda cool old school tech though.
@gregpenner2876 Жыл бұрын
My guess would the valves are sticky. There’s an oil pump in the overdrive unit that pressurizes the piston which puts pressure on the internal clutch plates and simultaneously releasing the pressure on another clutch pack to transition between the overdrive and direct drive. There’s a valve body with check balls that controls that. The switch is controlled by the ecm when conditions are met meaning there’s internal electrical connectors on that valve body as well that can degrade.
@nealhardin6869 Жыл бұрын
Put a stage three hypertech in that puppy with cold air and low temp thermostat a tad of octane boost..I will guarantee you it will change your opinion on chips.
@JacksoNR26 3 ай бұрын
Is it only just the 92 and 93 corvettes that have ecm issues
@rockerz57 2 жыл бұрын
I had mine programmed to bypass VATS and the fan to come on at 190. No performance gains at all. That was 14 years ago...I don't even remember who I bought it from...haha
@rockerz57 2 жыл бұрын
1986
@etwasbauen6615 2 жыл бұрын
Yea it seems like it is going to be better then it is.
@scoutleader06 Жыл бұрын
you can get a chip that deletes VAT, EGR, and speed sensor. Deleting EGR is a nice way to remove junk and upgrade appearance under the hood
@marcoarreola9058 Жыл бұрын
At 5:09 he says these nuts, you're welcome.😅
@ProfYesh Ай бұрын
5:08
@merakrut 3 ай бұрын
Why don't you like to have suspension on this C4?
@ScottsFormula350TPI 2 жыл бұрын
Is that an L98 motor? Without going into to much detail, I have a Formula 350 that was previously used as a students 1/4 track car in Beat the Heat. I was informed by vocational instructor that they installed a chip but that is all I got. I can tell you though that I have timesheets where it got mid 13's at over 100. Keep in mind they removed air,oil cooler. It's a modestly rare Formula 350 factree Fisher Body t-tops Maui Blue. Its a runner for sure !!!!
@etwasbauen6615 2 жыл бұрын
Hi, yes it is a L98 engine, thats pretty cool! You dont see many of those anymore.
@chenlmax 2 жыл бұрын
Hey man what wheels are those? What are the wheels specs and dimensions? Alzor 18x8.5/9.5 but what lug nut pattern?
@etwasbauen6615 2 жыл бұрын
They are 18 x9.5 all the way around and 5x120. thanks
@TylerGrace31 2 жыл бұрын
Hey man! I wanted to ask you, how did you do the foglight bypass to turn just the foglights on without the pop ups coming up?
@etwasbauen6615 2 жыл бұрын
Hi, i just click the headlight switch once and the running rights come on. Thanks
@TylerGrace31 2 жыл бұрын
@@etwasbauen6615 thank you, I’ll have to explore more with it!
@mrdeanv4414 2 жыл бұрын
@@etwasbauen6615 are the Fig Lights on a fuse or a relay ? I purchased a 95 April this year and I can't get them to come on....
@parksbussanmas3984 2 жыл бұрын
@@mrdeanv4414 there should be a small button below your head light switch, although you probably already figured it out.
@mrdeanv4414 2 жыл бұрын
Thank yall.... yes I did figure it out... I felt so stupid...lol
@brandonbelongstocharlottef1798 2 жыл бұрын
There's a guy on eBay who still programs these old chips also one on Facebook 😎👍
@etwasbauen6615 2 жыл бұрын
Cool !Thank you!
@woodifit 2 жыл бұрын
Who bro?
@tryjames1ify Жыл бұрын
Who need more details
@eugenescoj 2 жыл бұрын
the ONLY thing you can do to get more power out of that stock L98 is to put a camshaft and heads in it for maybe 25% more horsepower trying to get 300 out of it... it is bolt in not bolt on but if you want power out of the L98 don't bother replace it. the L98 is a smog restricted low performance engine by design... i replaced mine with a 383 stroker 450hp/425tq fuel injected for under $6500 and it is worth every penny!
@etwasbauen6615 2 жыл бұрын
Nice, Thanks!
@EagleScoutmano 2 жыл бұрын
I've never, ever seen so much BS, but eh... because it's still architecturally the same as the older SBCs, you can modify it to your hearts content. Now, by the end of that you no longer have an 'L98', except insofar as the donor-block goes, but the point stands. if you can do it to a SBC, you can do it to any SBC until 96*, with varying levels of mechanical skill. *The LT1/LT4 did change some things with the switch to optispark timing, which probably would be beyond the scope of modifying 'away from'... Of course, the 'easy' way to make power is just throw forced induction on them, and the L98 came with forced induction as an option from the dealerships.... BEFORE the ZR1 existed. In the '80s, they were generating 400ish HP from Callaway. (BTW, the 800+ Hp forced induction L98 in the Sledgehammer wants to remind you, that they didn't have to stop at 400 HP, but chose to probably because of safety concerns at the time)
@scoutleader06 Жыл бұрын
sort of correct but not really. but certainly only a chip upgrade is worth zero HP
@Joe-wv7pv 2 жыл бұрын
Two things I find this a bit scary, on my 87 I just don’t like Messing with 33 year old computers that are hard to replace. Not worth it “risk vs reward” As far as gains I think if the chip would have any noticeable affect it would be on an auto not a stock. I think the computer is more important on an auto.
@etwasbauen6615 2 жыл бұрын
I agree. thank for watching .
@scoutleader06 Жыл бұрын
changing he ECM chip is a piece of cake but without other serious mods to the motor it wont make any difference in performance
@Mrcorvette 7 ай бұрын
Where can I get this for my 1986 c4 automatic z51 package
@etwasbauen6615 7 ай бұрын
I believe summit racing sells them. Thanks
@belowknee6754 2 жыл бұрын
What size tires and rims are you running? Thx in advance!
@etwasbauen6615 2 жыл бұрын
They are 18x9.5 all the way around. 255/40/18s in the front, 275/45/18s in the rear. Thanks
@scoutleader06 Жыл бұрын
obviously too big since they rub backing out of the garage
@ronaldashley6786 Жыл бұрын
your video is fantastic, I like your rims where can I purchase them?
@etwasbauen6615 Жыл бұрын
Thank you. They are Alzor wheels for a BMW they are 18x9.5 5 x120 35mm offset. ECSTuning caries them. Thanks
@XRPSAINT 8 ай бұрын
Did you preform this step? After all components are reinstalled, start the car and let it idle for about 5 to 10 minutes; then shut it off. Restart the engine. The engine should be calibrated and ready for operation.
@jarredsmith8091 2 жыл бұрын
I'm running the stock ecu in my 383 1990 Corvette and my buddy custom chipped it it runs like a stabbed rat
@etwasbauen6615 2 жыл бұрын
Nice!
@tryjames1ify Жыл бұрын
🤣🤣🤣 a stabbed Rat 😂😂
@dukeman7595 2 жыл бұрын
Have you noticed any change since last reported?
@etwasbauen6615 2 жыл бұрын
Nope, still running strong!
@mfuji02 2 жыл бұрын
dam that nice race stance scrape -_-
@etwasbauen6615 2 жыл бұрын
thanks
@ahmadbrumfield8155 Жыл бұрын
What is the name of the rims that you have on your car
@etwasbauen6615 Жыл бұрын
They are Alzor wheels for a BMW.
@christopherduby5330 2 жыл бұрын
Supercharge it bro if you want noticable gains !!
@etwasbauen6615 2 жыл бұрын
Thinking about it!
@mrdeanv4414 2 жыл бұрын
What wheels are on your C4?
@etwasbauen6615 2 жыл бұрын
They are 18x9.5 Alzor wheels. Thanks
@mrdeanv4414 2 жыл бұрын
@@etwasbauen6615 wow...! They look awesome! Are they 18 x 9.5 front and rear?
@mrdeanv4414 2 жыл бұрын
@@etwasbauen6615 did you have to use any kind of spacer
@mikethacker8558 2 жыл бұрын
You should have bought a GTech/Pro accelerometer. Then you can measure your performance change.
@etwasbauen6615 2 жыл бұрын
That is a great idea. I wish i would have thought of that earlier . Thank you
@hvilletrumpet 2 жыл бұрын
@@etwasbauen6615 There are GPS phone apps that do this sort of thing now.
@moodberry 2 жыл бұрын
@@hvilletrumpet Can you tell us the name of the app?
@EagleScoutmano 2 жыл бұрын
@@hvilletrumpet there are, but when I've looked into them, they seem to be highly inaccurate.
@sebbonxxsebbon6824 2 жыл бұрын
Chip is only necessary with a modified motor.
@etwasbauen6615 2 жыл бұрын
Yes , Thanks
@scoutleader06 Жыл бұрын
exactly and nice to know someone else knows this.
@tryjames1ify Жыл бұрын
And this is why I appreciate your input
@Hannibhaal777 2 жыл бұрын
Can you make a video of you driving the car
@etwasbauen6615 2 жыл бұрын
I have one. kzfaq.info/get/bejne/pNeJbLeC1r2tgWw.html
@timbixbi9938 2 жыл бұрын
How did you lower your c4 front end? I have lowering bolts for the rear,but not sure how to lower the front.
@etwasbauen6615 2 жыл бұрын
Hi, its all custom coilovers. There is a video on my channel with details and part numbers. Thanks
@timbixbi9938 2 жыл бұрын
@@etwasbauen6615 Thank you,I'll check out the video
@dukeman7595 2 жыл бұрын
Why would you ever want to lower the vehicle any lower than it already is
@famousdave7219 2 жыл бұрын
Tim, if you're sticking with the leaf springs there are lowering blocks for the front. Reasonably priced but more involved than the long back bolts
@timbixbi9938 2 жыл бұрын
@@famousdave7219 Thank you!!!
@nealhardin6869 2 жыл бұрын
go with the stage 3
@etwasbauen6615 2 жыл бұрын
Thanks
@scoutleader06 Жыл бұрын
joke, stage 3 in an L98 ?? seriously ?? Get a basic ramjet SBC and you'll get more power than an L98 could ever make
@evanducheny807 2 жыл бұрын
huge jersey accent
@etwasbauen6615 2 жыл бұрын
Close! Pa/philly!
@stockND3 2 жыл бұрын
@@etwasbauen6615 ayy another local
@rogergflowers4082 2 жыл бұрын
OMG, why
@etwasbauen6615 2 жыл бұрын
Yep, i agree!
@scoutleader06 Жыл бұрын
exactly, no good reason except to make a youtube vid
@scoutleader06 Жыл бұрын
waste of money and time. The L98 will not produce more than stock HP/torque with a chip upgrade unless other expensive mods are done. for example a 58 mm throttle body which frankly is also a waste of time and money unless you're building andL98 that will make 350++ hp.
@TheCosmicGuy0111 Жыл бұрын
Only real mod would be to put a super charger on it, all the “cheap mods” don’t do shit
@Kriscoyote Жыл бұрын
I still haven't seen anybody do the actual tube that's not bumpy between the throttle body and the mass airflow sensor
@jbtOO7 3 ай бұрын
🪴The chip is a massive let down it worsens the power output notta nothing gianed. You gained less than you originally had no bs.The best investment and easiest is a tunnel ram intake manifold.If hard pressed to keep the runners remember the sledgehammer. It has a L98 and a tunnel ram instead of the long tube runners,sledgehammer yeah.A cam shaft & long tube headers anyone, Buller?Your going to do what you want no problem but for me go with the added power naturally aspirated see what the new dynamics of the car is what it's like to drive before you throw a ton of power at it.Also Royal Purple in the engine transmission and differential is supposed to give 30 hp dyno proven.🏁 Chip HP Minus -5 to -15 HP maybe a lot worse. Tunnel Ram Intake, 50hp to 60hp Plus higher speed when changing gears 6400 RPMs is nice and higher top speed. So a professional tune to take FULL advantage of the new Massive power increase and capabilities are endless. The Tunnel Ram intake is a serious power adder like Christmas day every day for a L98 5.7Liter350ci TPI Corvette owner.🌲
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