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

turbo to N/A

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Old Feb 19, 2013 | 12:17 AM
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Default turbo to N/A

hypothetically; If I were to sell most of the turbo kit and go back to N//a, besides retuning the computer what else might need to be done to get the motor to run right?

385cu.in with turbo pistons, a somewhat mild cam, green top 42lb. injectors, and 9:1 compression
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Old Feb 19, 2013 | 12:20 AM
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Thats all....hell ive actually run an engine NA while the turbo was still hooked up on the exhaust side, just took out the wg spring and took it easy until I could fully take it off.
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Old Feb 19, 2013 | 05:51 AM
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9:1 compression would make that thing feel like a dog NA. Plus those 42lb injectors will be too big. How thick are your head gaskets? Maybe you could drop some 0.026 gaskets in there to get it to at least 10.4:1, otherwise you could sell your pistons and buy used/new ones and have it rebalanced and reassembled.
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Old Dec 17, 2013 | 10:06 PM
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i don't recall the thickness of the top of my head but it's pretty thick from what i do remember. What size injectors would be optimal?
also has Si Valve Springs 600+lift.
these are the pistons:


Last edited by hawk584; Dec 17, 2013 at 10:15 PM.
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