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Old 02-05-2013, 01:42 AM   #10
1967gm4x4
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Join Date: Jan 2013
Location: Pennsylvania
Posts: 99
Re: engine skip/lugging help

Spray a little penetrant on the vacuum lines to see if there leaking the idle will change if it is, I would also recheck your firing order just incase 2 got swapped.
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1967 gmc 4x4 factory air factory buckets
1985 gmc high sierra 2500 4x4 400 1972 ford f250 4x4 390.Tomorrow is the most important thing in life. Comes into us very clean. It's perfect when it arrives and puts itself in our hands. It hopes we've learned something from yesterday. John Wayne
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