https://www.corvetteforum.com/forums/ Corvette Onboard Diagnostics, Service Advice, Dyno Tuning, Fuel Management, Tuning Software, LS1 Edit, AutoTap, Diablo en Thu, 21 May 2026 17:27:56 GMT vBulletin 60 https://www.corvetteforum.com/forums/images/misc/rss.jpg https://www.corvetteforum.com/forums/ https://www.corvetteforum.com/forums/c5-scan-and-tune/4992630-starting-tune-advice-new-post.html Wed, 20 May 2026 16:55:20 GMT My 2001 C5 manual has only a cat back. But I get a C5 manual for few years back in 2008 and a generic tune (CAI+Cat back) and the result was nice. Not much power but car feel snappier. So, with my... My 2001 C5 manual has only a cat back. But I get a C5 manual for few years back in 2008 and a generic tune (CAI+Cat back) and the result was nice.
Not much power but car feel snappier.
So, with my current C5 I try to replicate this feeling.
I previously Tune a 2011 Camaro (enabling flex fuel, advance table, PE ratio, Torque management, calibrate MAF VVE......)
Here are my Tune details:

CAGS: 283F
Fan strategy: ON 212/ OFF 204 & ON 219/ OFF 211 ignition off: 210F 90sec
Tq management max out
Stoich AFR: 14.13 (adaptation to 10% ethanol of 93 premium gas)
PE TPS vs RPM: 50 50 50 50 50 50 50 45 40 35 30 26 26 26 26 26 26 26 26
PE ratio 1.136
PE delay at 0

Do you think it's correct or I missed something?
]]> Vampiloutre https://www.corvetteforum.com/forums/c5-scan-and-tune/4992630-starting-tune-advice.html https://www.corvetteforum.com/forums/c5-scan-and-tune/4991694-saving-custom-tune-on-a-diablosport-new-post.html Thu, 14 May 2026 17:32:32 GMT I recently had a custom tune done on my C5 using HP tuners. For CA smog tuning is very 'touchy' and I'm nervous for the future.
I have an unmarried CARB legal DiabloSport 8200 in a drawer. It's my understanding that the Diablo will download a car's existing tune and 'swap' it with their on board tuning programs.
Would anything stop me from using with Diablo to save the custom tune on the car, and swap in the CARB legal tune, than swap back later?

I know there are other solutions, but I like to idea of being able to manage this myself. ]]> Lowend https://www.corvetteforum.com/forums/c5-scan-and-tune/4991694-saving-custom-tune-on-a-diablosport.html https://www.corvetteforum.com/forums/c5-scan-and-tune/4990135-wideband-or-not-for-na-c5-new-post.html Mon, 04 May 2026 17:45:35 GMT Going to be getting a dyno tune done pretty soon on my c5. I was curious if I needed to install a wideband sensor and guage before having the tune done. I understand they are nesisary on boosted... Going to be getting a dyno tune done pretty soon on my c5. I was curious if I needed to install a wideband sensor and guage before having the tune done. I understand they are nesisary on boosted applications but na stock cam do i need it?

its not much hassle there is already a bung ready to go in the headers I have.

Car and mod info
02 c5 6 speed
stock cam
Long tubes - Cerakoted
x pipe
Corsa xtreme
z06 wide mouth intake
smoth intake coupler
AFE magnum dry flow filter
]]> Diydoidothisc5 https://www.corvetteforum.com/forums/c5-scan-and-tune/4990135-wideband-or-not-for-na-c5.html https://www.corvetteforum.com/forums/c5-scan-and-tune/4990061-2001-ls1-mt-stock-tune-new-post.html Mon, 04 May 2026 12:35:33 GMT I just get a 2001 C5 with manual transmission. I compared to 2002 C5 MT stock tune in HP Tuner and I have a pretty big difference in advance table.
So I'm wondering if my car has a stock tune in it or not....



Thanks for your help ]]> Vampiloutre https://www.corvetteforum.com/forums/c5-scan-and-tune/4990061-2001-ls1-mt-stock-tune.html