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Stock C5 & C6 Corvette Tuning Pt. 2 with HP Tuners (HOW-TO & is it Worth it?)
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- Äas pĆidĂĄn 19. 08. 2023
- 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!
** This video was NOT sponsored. I purchased everything used in the video at full price.
***Affiliate Disclosure: As an Amazon Associate, Toys4Life C5 may earn a small commission from qualifying purchases from Amazon.com
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You've made this very understandable
I appreciate the feedback! Thank you!
@@Toys4Life I have a quick question, and i didn't catch it in any of the 3 tuning videos. for doing the fuel ratio tuning, did you replace one of the narrowband 02 sensors, or add a wideband 02 sensor somewhere else on your exhaust, or ?? Just wondering as i know you are collecting the readings during actual driving. If you just replaced one of the narrowband 02, do you now have CEL on because of it? Thanks.
On the C5 -I have an extra port in the mid pipe before the main catalytic converter. I tune my part throttle using the narrow bands, i Tune full throttle using the wideband.
yes please continue... I just bought the hp tuner module for my c5... and I want to dial it in as well!
Keep up the good work man!!
thank you
I really like this series of videos. I might actually get my MVI2 out of the box. It has only been used by the dyno tuner for my pickup. Really curious to see what the readings are on my C5 that you talk about. Thanks to you I know what to look for. I am gonna need credits too, right, if I change and rewrite the tune at all?
If you already have HP tuners, you can scan your vehicle for free and analyze your scan. You can even download your stock tune and look at it. You just can't change it and save it, that's when you have to license the vehicle one time. After you license it to your particular HP tuners interface, You can change it as often as you want for as long as you want.
Is there a lookup chart for stoichiometric air fuel ratios based on the ethanol rating in oneâs area? You enter the value at 4:09 of the video and I cannot figure where that value was derived from. Thanks.
www.tunedbyzfgracing.com/ethanol-calculator
I bricked my pcm⊠p59⊠laptop shut its self down⊠luckily I didnât have to push my car too far back home⊠pcm no comm.
âŠ
Sorry to hear that. Didyour laptop run out of power, did it shut down for an update? Do you think it overheated sitting on a seat? This is always a concern. I'm just wondering if you figured out what went wrong / why it shut down?
Hey quick question... i'm working on my VE tables on a cammed c5 corvette and i noticed after I do some modifying to my table and upload the tune, my idle runs very lean on startup. I'm at sea level pretty much, and my logic tells me that the IAT being higher after sitting would lead to a richer condition, not a lean one.... thinner air + the same fueling for more "cold" air = richer? I noticed if I drive the car for a bit, the afr normalizes and comes in line with how I adjusted the tune. Is this normal, or is there a tweak I need to look at in the tune? I know you mentioned to make sure you don't log with heat soaked IAT/coolant temps.
One thing to keep in mind is that the oxygen sensors are not accurate until they're fully warmed up which is actually pretty hot.
Hot inlet air temps should tell the computer to give it less fuel because hot air contains less oxygen for a given volume. Are you tuning part throttle areas or wide open throttle? Are you tuning with your narrow bands or a wideband?
@@Toys4Life This might explain it then
@@Toys4Life Today I was working on both VE and MAF but only steady throttle stuff. I have an AEM wideband and I turned off all the STFT and LTFT's for the tuning.
It's weird with VE, I was experiencing the weird thing I mentioned to you. With MAF, I have an issue where the idle dips really low and then surges, then dips low again (and so on) when rolling to a stop and only stabilizes when I'm completely stopped. VE doesn't seem to have this issue.
I tried re-enabling everything together and it seems to drive nice, but there were more lean spots. The idle hunting issue was only there for maybe the first two stop signs and then I guess the fuel trims evened that out.
đ€Ż
It is a lot of info (:-)
The only thing you are missing is a white fluffy cat to pet as you plan your evil attack. Thank you for the education dr NO.
lol
Would it be worth tuning my 98 c5 m6? It has vararam intake, muffler delete, coolant throttle body bypass, new spark plugs and thicker plug wires. I also have some longtube headers and catless x pipe to install. Should I install my parts then tune it?
It is over 20 years old - so I think you could pick up some HP as is. You should absolutely tune it after the LT's to capture the full benefit. It is up to you to decide if you want to teach yourself or hire someone - tuning is fun, interesting, mentally stimulating - but it is not super easy to learn. But for most - if you really want to learn it and spend the time to do so - it is do-able, especially for minor bolt-ons. Toss in a giant cam and that greatly increases the difficulty (:-).
@@Toys4Life will do some more research and stuffâŠ. Regarding my current mods + the headers and x pipe when installed and tuned would you say that around 380 wheel is possible? Or is that only with cam?