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1993 K5 Blazer 5.7 350


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shranda
New User

Nov 23, 2007, 11:35 AM

Post #1 of 2 (2571 views)
post icon 1993 K5 Blazer 5.7 350 Sign In

I'm having some trouble. I put new plugs and wires and a new starter on my truck and after finishing, every time my rpms would get around 1400, my truck seemed to be stalling out on me until the rpms got lower or higher. Then it just stalled out and wont even crank back up. I have no idea what is wrong with it now. Can someone PLEASE help me out here. I'm literally at a loss.

Thanks,
Shranda


Vinnysnismo
User

Nov 29, 2007, 12:33 PM

Post #2 of 2 (2557 views)
Re: 1993 K5 Blazer 5.7 350 Sign In

Check the gap in the plugs... were they pre-gapped? If so never trust pre gapped plugs. one time i got the wrong plugs for a car and the thing would run....but it would stall out due to the wrong gap size. The gap was only .10 off but that was enough to make a change. (did it run fine before?) The problem is not the starter... you may have gotten a bad wire or a plug with a broken electrode. What plugs did you get (ac-delco, bosh, ngk) Most chevys run best on ac-delco plugs. I have a 1985 GMC with a 350 and if i get the bosh plugs...they foul out in less than a month.






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