C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Time for a road tune?

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Old Jun 15, 2008 | 11:42 AM
  #1  
Kool88vette's Avatar
Kool88vette
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Drifting
 
Joined: Oct 2006
Posts: 1,934
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From: Citrus Heights California
Default Time for a road tune?

I had a mail order chip burned by Fastchip. It ran OK.

Since then I have made a few more changes. I changed my gears from 2.73s to 3.07s. I changed my injectors. I had the Accel 24 lb. I switched to Trick Flow 24 lb. I replaced my main cat with 2 Pypes bullet cats. I installed March under drive pullys. I installed Comp Pro Magnum 1.6 roller tips rockers. I installed a Vigilante 2400 converter.

It still runs OK. I have talked to a guy about doing a road tune. He wants $495.00. I think that's a little expensive.

I can send my chip back to Fastchip and they will tweak it for $150.00.

I just ran a 13.9 in 90F heat at about 97MPH. The car will stall sometimes but starts right up. The idle is at around 700 RPMs once it's warmed up.

I'm not sure if I should leave it as is or spend some more money on it.
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Old Jun 18, 2008 | 02:37 PM
  #2  
Paul Ruggeri's Avatar
0Paul Ruggeri
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Joined: Nov 2006
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From: Carmichael ca
Default

I suggest getting a wide band O2 sensor. With a gauge and/or datalogging you can see how rich or lean your car is really running and tune from there. I have an Innovate set up in my car and its a big help
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