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Thread: Blew 3 pistons, twice.
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08-26-2008, 06:01 PM #1
- Join Date
- Apr 2007
- Location
- Tulsa
- Posts
- 14
Red- 1998 Trans Am WS6
Blew 3 pistons, twice.
So I bought a Vortech centrifugal supercharger for my stock (besides headers and exhaust) 98 trans am with 62000 miles.
Got it dyno tuned with 405 to the tires at 5psi.
Long story short I blew 3 pistons.
So I put 3 stock pistons back in it and about a month later they blew again.
Should I put new forged pistons and hardened pushrods back in it?
Should I put in heads and/or a boost cam back in it while i have it apart?
Any other supporting mods I should maybe get so this doesnt happen again?
What would you guys do?
Would greatly appreciate any help.
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08-26-2008, 06:39 PM #2
get it properly tuned; this is likely why it broke.
Last edited by Frost; 08-26-2008 at 10:01 PM.
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08-28-2008, 08:59 AM #3
I'm no expert on FI but I'm sure lower compression 6.0 liter truck heads wouldn't hurt.
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08-30-2008, 07:19 PM #4
I would watch your A/F ratio..... also, get a real tune, and try again with stock bottom end.
5 psi aint enough to be throwin pistons like that
but if you have the funds, throw a solid bottom end in it, and rake up the boost.....its game time!!!!!!!!!!!
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08-31-2008, 03:02 AM #5
- Join Date
- Aug 2005
- Location
- Texas Department of Corrections
- Posts
- 18,128
- Retired Outlaw Sum Bitch
Man that is a tune issue. 5psi aint squat. Your going lean under boost. Can you post your dyno tune sheet? What size injectors you running? Stock Fuel Pump?
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