Exhaust smell - Impala Tech
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post #1 of 3 (permalink) Old 12-06-2015, 10:15 AM Thread Starter
Join Date: Dec 2015
Location: Ny
Posts: 1
Exhaust smell

Exhaust smell
I had my 1967 impala convertible restored.
Whenever I'm driving the car I Get exhaust coming in the car ,it doesn't matter if the top is up or down. There are no leaks in the exhaust and no holes in the firewall or floors The exhaust is past the rear bumper ( recently put some Chrome extensions thinking The exhaust may be coming through the trunk ) didn't work. I've looked at some pictures and noticed the exhaust on some cars go out the side not the back Before I switch exhaust for the sides can anyone give me any other suggestions Thanks Ed
Biged1218 is offline  
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post #2 of 3 (permalink) Old 12-06-2015, 10:36 AM
Join Date: Jan 2006
Posts: 12,455
Welcome to the Team Ed!

Are you sure you are smelling exhaust, or hot engine oil from the motor? These old Chevys leaked oil all the time resulting in it burning on the exhaust manifolds and the smell entering the car's cabin by way of holes in the fire wall. The engine was redesigned in 1985 to go to a one piece rear main seal and center bolt valve covers to limit oil leaks (the oil pan gasket design was changed as well going from for pieces with four leaks to only one).

If you do have exhaust gasses entering the car you need to replace the exhaust gaskets and examine all of the exhaust pipes for leaks (could be a loose pipe not sealing) as that is very dangerous otherwise.

Big Dave
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post #3 of 3 (permalink) Old 12-07-2015, 06:38 AM
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Join Date: Sep 2008
Location: Fort Worth Texas
Posts: 1,273
Pipes going out the side wont help your problem and is not correct for your car. Take it to a muffler shop and let them check it out.
Txbobcat is offline  
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