Take a nice long piece of rubber hose...maybe 3/8 thick stuff...about 2-3 feet long. Stick one end in your ear and poke the other around all of your exhaust ports and exhaust flange gaskets in the system. If it's exhaust it'll stick out clear as day doing this.
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--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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