Exhaust leak when cold?
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Joined: Nov 1999
Posts: 429
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From: Fayetteville, Arkansas, USA
Car: 1994 Trans Am
Engine: 5.7L LT1
Transmission: 6-speed
Exhaust leak when cold?
It sounds like an exhaust leak when the engine is cold but goes away once warmed up. Could it be bad exhaust manifold gaskets? I think they leak when cold but expand and seal properly when the motor warms up.
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'88 IROC 305 TPI
Gutted airboxes
160 degree T-stat
Advanced base TPS voltage
Relocated IAT sensor
Momo steering wheel
Ram-air setup coming soon
Flowmaster muffler
------------------
'88 IROC 305 TPI
Gutted airboxes
160 degree T-stat
Advanced base TPS voltage
Relocated IAT sensor
Momo steering wheel
Ram-air setup coming soon
Flowmaster muffler
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