Yesterday afternoon, I took my son's '87 GMC hoopty-truck to a buddies' house to get a new full exhaust welded up under it. Driving over was with open headers. Three miles worth of seriously excessive noise! A eighth-mile or quarter-mile run would be one thing. But three miles was simply deafening! LOL!
After five hours and a couple of beers, the JEGS 2-1/4" box of exhaust parts and the two cherry bomb mufflers were on! My friend Tony is a pipefitter by trade, and can build an exhaust system second to none. One thing we found was the passenger side header gasket was blown out, so even after the install, the truck was still pretty loud. I've got a gasket on order, and will put that on later this week.
But, boy, does the truck sound good from the rear! A nice, mellow tone like my old '68 D100 had. I miss that!
One thing we found was a missing rear shock(!) and a crack in the frame near the right rear shock mount. That crack looks truly evil, due to the truck being up on a two-post lift. Never saw that crack until then! Next thing is to remove the bed and weld and plate that crack up, plus install two new Rancho shocks. I like the Chevy and Dodge "square-body" trucks a lot. I hope my son keeps this!
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