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Old 11-28-2018, 01:31 PM   #163
OutlawDrifter
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Join Date: Aug 2012
Location: Northeast KS
Posts: 1,775
Re: 81 Chevy K10 ShortBed

A cracked flexplate can simulate a knock sound.


Might just start there.
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1999 GMC Suburban K2500 SLT, 454/4L80E
1991 Z/28, 6.0L/T56
1949 GMC 250, S10 Frame, 6.0L/4L80E

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