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Turbo SOHC Si: NEED HELP! plz

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Old 05-06-2004, 02:48 AM
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Default Turbo SOHC Si: NEED HELP! plz

ok someone help me, i turbo'd my si tonight, and its smoking like crazy out the exhaust, its slow at some places like a DX slow, there was one time i took off and it actually threw me back, what is going on anyone got any ideas to check ? im tired and i been at it the last 6 1/2 hours cuz i ran into forgot this, forgot that syndrome.
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Old 05-06-2004, 02:51 AM
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Default Re:Turbo SOHC Si: NEED HELP! plz

Was it a used turbo? it might have blown seals.
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Old 05-06-2004, 02:52 AM
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Default Re:Turbo SOHC Si: NEED HELP! plz

what are your running for fuel management? what color is the smoke?
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Old 05-06-2004, 02:53 AM
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Default Re:Turbo SOHC Si: NEED HELP! plz


garret t25 minor chip on fin
downpipe dumping down past the subframe
cheezy FMU


its white, i know its oil i can smell it. makin me sick
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Old 05-06-2004, 02:59 AM
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Default Re:Turbo SOHC Si: NEED HELP! plz

oil burns blue
lots of gas burns black
and coolant burns white
loose the FMU.
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Old 05-06-2004, 03:13 AM
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Default Re:Turbo SOHC Si: NEED HELP! plz

but if i lose the fmu wont i kill my motor on accel ?
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Old 05-06-2004, 07:13 AM
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Default Re:Turbo SOHC Si: NEED HELP! plz

Originally Posted by Project CRXtacy
i ran into forgot this, forgot that syndrome.
Have you been prescribed any medication for this problem yet?
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Old 05-06-2004, 10:14 AM
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Default Re:Turbo SOHC Si: NEED HELP! plz

yeah drop that fmu and use TE. it might burn smoke because theirs too much pressure going into your turbo. i had the same problem. but i bought the needle valve and it fixed it. so maybe you need a needle valve. the fmu is probably why your car is slow. BTW are u running 450's also??
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Old 05-06-2004, 07:50 PM
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Default Re:Turbo SOHC Si: NEED HELP! plz

Originally Posted by BoosTedZSix
yeah drop that fmu and use TE. it might burn smoke because theirs too much pressure going into your turbo. i had the same problem. but i bought the needle valve and it fixed it. so maybe you need a needle valve. the fmu is probably why your car is slow. BTW are u running 450's also??
whats TE ? no im running stock injectors, the smoke stops occasionally after it warms up, then every 3-4 stops it smokes for a bit til i take off.
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Old 05-07-2004, 02:29 AM
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Default Re:Turbo SOHC Si: NEED HELP! plz

oil return line is prob. screwed up, and you should fix it asap if it is.

If the smoking goes away after the car gets warm, then its more than likely that the oil while cold is thick, while once it gets warm it smooths out and dranes from the turbo better.

If it hasn't already destoryed the seals, you shoudl be fine, if the return line is the problem, which I'm betting it is, but that's just my guess.
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