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Old 03-31-2020, 03:57 PM   #6
nvrdone
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Join Date: Dec 2011
Location: Moxee WA
Posts: 1,425
Re: Counter weighted rotation thingamajig in exhaust???

im not sure it would improve performance. just helps the engine warm up quicker
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49 chevy 3100 3 window. 327 / m21 4 spd, 12 bolt w/ 3:55's
Bought in 1973 for $235.00. Had it longer than my wife & Kids!!
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