new exhaust, camshaft is LOUD! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ty1295 · 12-27-2002, 12:10 PM

Long story short, built a motor 5yrs ago for 67 camaro. Sold camaro, kept motor, now in my 70GMC... Motor has solid cam, fairly wild, but runs good.

Truck HAD typical Indiana exhaust. Glasspacks and megaphones.

Well yesterday, had new exhaust put on. From manifolds back. They did a GREAT job of tucking it up underneath. I think the mufflers (basically a flowmaster), are almost bolted to the bottom of the bed. Very clean. I don't like pipes, so I had turn down done at the back so you can't see them.

Truck sounds good, now to figure out how to quiet down the solid lift cam. It is louder than the exhaust.

Anybody found any good underhood insulation that cleans up ok, and will keep noise down?

12-27-2002, 12:10 PM	#1
ty1295 Registered User Join Date: Mar 2002 Location: jeffersonville, IN Posts: 99	new exhaust, camshaft is LOUD! Long story short, built a motor 5yrs ago for 67 camaro. Sold camaro, kept motor, now in my 70GMC... Motor has solid cam, fairly wild, but runs good. Truck HAD typical Indiana exhaust. Glasspacks and megaphones. Well yesterday, had new exhaust put on. From manifolds back. They did a GREAT job of tucking it up underneath. I think the mufflers (basically a flowmaster), are almost bolted to the bottom of the bed. Very clean. I don't like pipes, so I had turn down done at the back so you can't see them. Truck sounds good, now to figure out how to quiet down the solid lift cam. It is louder than the exhaust. Anybody found any good underhood insulation that cleans up ok, and will keep noise down? __________________ Jeff Scott '70 GMC Stepside, Short box '63 Nova '92 GMC typhoon '95 Tahoe



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