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a little advice- breakin up bad under wot , until 4k

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Old 04-10-2011, 10:08 AM
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Formerly darynC-10/23/10
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Default a little advice- breakin up bad under wot , until 4k

under wot/boost ( 10 psi) , it pops and breaks up badly until it hits 4000 rpms, it barely can get itself to 4k ... then it clears up and pulls like a train!....

my mods are

forged ls3
pt74gts
semiens 60s
return style setup with bosch 044 (set at 62 psi) - i dont have a boost reference on the aeromotive bypass reg
tr6 plugs gapped at .030

stock everything else....

it was tuned on a stock motor ( l92) and made good power(655)
Old 04-10-2011, 10:21 AM
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Sounds like what mine was doing when it was lean....popping and breaking up. Get a wideband on it and see what the AFR is doing when it breaks up.




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