timing problem
04-03-2011, 08:44 PM
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Car: 1990 firbird formula
Engine: 355ci
Transmission: t56 spec3+ cluch
Axle/Gears: 9 bolt disc brake 2.77
timing problem
ok so i was driveing my car for about a summer and decided to check my timing and it was at about 8* and i put it back to 0* but the car boged really bad so i put it at about 4* and the car ran good for a day but now it bogs worse than it di at 0 can anyone help me what might be the problem?
04-04-2011, 07:34 AM
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Location: williamstown,NJ
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Car: 95 9C1,99 Sierra,90Sierra,00 sierra
Engine: TBI350,LM7,LT1,Vortec 350
Transmission: 700r4,4L60e,4L60e,4L80e
Axle/Gears: 10 bolt,14bolt,3:42,3:73,3:08,3:73.
Re: timing problem
mine is at 4* or 6* and she runs great.mine had a real bad bog and surge at idle it had 4.3 injectors in it so i put 350 injectors back in because i couldn't find any 5.7s at the u pull it yard..could be something else maybe misfiring or bad fuel spray,vacuum leak.etc
04-04-2011, 12:22 PM
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Join Date: Feb 2010
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Car: 1990 firbird formula
Engine: 355ci
Transmission: t56 spec3+ cluch
Axle/Gears: 9 bolt disc brake 2.77
Re: timing problem
i kinda got rid of the bog a bit but the car is really roughf when i try to get on it cuold that be a bad u joint?
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