GMC truck with no mufflers and no cat part 2

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Uploaded by on Apr 10, 2008

1990 gmc truck it has no mufflers and no cat getting a new exhaust system watch part 3 too

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Autos & Vehicles

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  • I own a 1990 GMC 3/4 ton 5.7 EFI, I changed/replaced everything on the engine, even a new fuel pump in the tank, including everything in the tuneup, modules the works, along with the new throttle body. It's cranks & cranks, and cranks, then it starts. Nature of the Beast, I guess. Oh. I also removed the muffler behind the cat & put straight pipe in, no difference, samo, samo. Something I have to live with, actually I was thinking of adding a 'check valve' in the fuel line before the TBI.

  • @JustonFridays na it a efi their hard starting trust me!

  • maybe you should save up for a new starter now.

  • so you had no cat or muffler?sounds nice kind of what i was looking to do on my truck.

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