Re: Evaluating 305E engine noise
It's hard to tell really, but after all the simple stuff (Plugs, Points, Timing, etc), I believe I would be checking on the Valve Adjustment. These engines have Solid Lifters and need to be set with a Feeler Gauge.
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Drove and owned many, but some of the more interesting ones were:
-'60 GMC 2500 Dump, 305 V-6
-'62 GMC 4000 Flatbed, 305 V-6
-'62 GMC 6500 Flatbed Dump, 478 V-6
-'67 GMC 7500 Box, 6V-53 Detroit
-'71 GMC 9500 Flatbed Dump, 637 V-8
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