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305 TBI problem

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Old Mar 6, 2013 | 05:06 PM
  #1  
333pst's Avatar
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Joined: Mar 2013
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From: Florida
Car: 89 iroc-z
Engine: 305 tbi
Axle/Gears: 3.08
305 TBI problem

New to this, just recently bought a 89 iroc-z camaro
Y pipe exhaust, to car back, to dual. Problem is one
Pipe sounds like its popping. Then the car has a rough idle
Not all the time just after its been ran an hour or so. Any thoughts
On what it could be. The car is completely stock an all original. 5 speed
Transmission
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Old Mar 6, 2013 | 05:17 PM
  #2  
ex-x-fire's Avatar
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Re: 305 TBI problem

Most likely the muffler.
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