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boosting stock lt1

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Old 05-06-2009, 04:56 PM
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i have a pretty stock 97 z28 with 140k whats a safe # of boost to run on it? the pulley i have is the 3.33 witch will make about 6-7 psi. thanks
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Old 05-06-2009, 04:57 PM
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vortech supercharger going on it.
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Old 05-06-2009, 06:24 PM
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3 psi
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Old 05-06-2009, 06:33 PM
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Really only 3psi? even with a good tune?
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Old 05-06-2009, 06:37 PM
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with the right fuel system upgrades and a good safe tune 11.0-11.5af you can run 5-6psi...
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Old 05-06-2009, 06:46 PM
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thats what i thought. i have enough fuel plus some.
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Old 05-06-2009, 07:11 PM
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My brother has been running 9 psi with his ProCharger P-1SC on his '95 Formula since '02. The engine has never been opened up, and he is the original owner of it. Here is a link to his Formula. http://www.exoticperformanceplus.com...tCar.php?car=7 Bob
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Old 05-06-2009, 07:30 PM
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9 out of 10 LT1's with stock pistons running 6+ psi will break the pistons within 20,000 miles. And, the 140,000 original miles aren't helping any.
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Old 05-07-2009, 07:56 PM
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Originally Posted by engineermike
9 out of 10 LT1's with stock pistons running 6+ psi will break the pistons within 20,000 miles. And, the 140,000 original miles aren't helping any.
It all comes down to the tune and the driver...get a good safe tune and drive smart, it should be fine...
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Old 05-18-2009, 10:47 PM
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Originally Posted by engineermike
9 out of 10 LT1's with stock pistons running 6+ psi will break the pistons within 20,000 miles. And, the 140,000 original miles aren't helping any.
really ???
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