LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Can you tune a 1995 LT1 computer?

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Old 03-04-2021, 06:27 AM
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Originally Posted by Bow Tie Power
Precisely what I figured. Something major was going to go wrong. However, he has been driving it for about 6-7 months like that and he hasn't had any MAJOR issues, except for the fuel mileage and the car having trouble with idling.
Originally Posted by Puck
I can't believe people do stuff like this. This is why LT1s get such a bad rep...CC306 on stock springs/heads .

He has way bigger things to worry about then a tune. I don't know any tuner who would even risk tuning that thing, it will probably grenade on the dyno. No way stock springs are handling multiple WOT runs with a 306. Even if the springs don't physically break, there is no way they can control the valve at the RPM a stock head 306 car will want to spin at.
does that depend on cam? Say I went slightly bigger not aggressive cam
Old 03-04-2021, 07:44 AM
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8 year old thread...
yes, it does depend on the cam (and the heads, and the valve length, etc...).
That said, the stock springs are barely adequate for the stock cam. Do yourself a favor and put a good set of springs on it.



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