89Cutlass Posted April 7, 2003 Report Posted April 7, 2003 I so need a new cat on my 89 cutlass if you bang on it under the car you can here pieces rattling inside it, my question is i sometimes experience a small shake when idleing, and ive tuned up everything on the car changed mounts and everything could the bad cat have anything to do with it, having no back pressure or something Quote
Guest Anonymous Posted April 7, 2003 Report Posted April 7, 2003 You need to get rid of that avatar. Quote
Robby1870 Posted April 7, 2003 Report Posted April 7, 2003 yes, the cat being messed up is probably the cause of that Robby Quote
JS91Z34 Posted April 8, 2003 Report Posted April 8, 2003 If the inside of the cat is coming apart, it can block the pipe and cause the motor to run rough due to the restriction in the exhaust system. Quote
89Cutlass Posted April 9, 2003 Author Report Posted April 9, 2003 Man I cant wait to get a new one installed cause this motor is perfect and only has 85,000k on it the tranny is new so is like everything else on it. Quote
Guest Anonymous Posted April 9, 2003 Report Posted April 9, 2003 Not that avatar Brian. The first one he had took up half the screen. Quote
RedZMonte Posted April 9, 2003 Report Posted April 9, 2003 if it rattles you can do 1 of 2 things. * Gut your existing cat untill you have to take emmisions again * get a new cat. i would recomend Carsound highflow cats (#94006 2.5" in/out) RedZ Quote
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