Got 2003 GMC sierra with 5.3 I want to run two and half in pipes out each side by using two mufflers not the one muffler set up over Ben told If I do it this way I loose. Gas miles and it would run ba

Got 2003 GMC sierra with 5.3 I want to run two and half in pipes out each side by using two mufflers not the one muffler set up over Ben told If I do it this way I loose. Gas miles and it would run ba 1 Answer

Hi. I have an opportunity to purchase a 1988 GMC Sierra short bed with a Winchester trim package. Can anyone tell me about this trim package? I haven't been able to find anything. 4 Answers

Would really love to have some info and anything about value. I would say it is in fair to good condition. 215,000 miles and a small gas line leak. Body is good.

What do I do next? 6 Answers

I have an 87 gmc high sierra 5.0. I changed the fuel filter, fuel pump and sending unit. Just put new plugs and plug wires and the timing is set. It still has hesitant take off and today it backf...

I have a 1962 GMC 1500 2 Answers

I want to haul ass, but don't want to change to a posi diff. What could I do???

1997 GMC Sierra C1500 blinker relay won't stop why? 1 Answer

blinker or 4 way relay won't stop when nothing is turned on and have power to the relay when not turning it on blinker works and turns off but the relay won't stop