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Old 09-16-2011, 12:21 AM   #10
DetroitDan
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Join Date: Dec 2009
Location: Epping, NH
Posts: 605
Re: How do you tell if it's a 305 or a 350?

what about the vibration damper? Ive always told them apart that way. One is fat (I think its 305) and the other is thin. Obviously that could have been switched too, but generally if you're looking at an old dirty motor with an old dirty balancer it's a fairly safe bet.
Could be Im wrong and have some bad info, but the handful of motors I've checked have turned out to be right when checked that way.
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1982 Chevy K30 CCLB fleetside. Formerly a cab and chassis, now a fleetside dually with the rear wheels tucked underneath. 454/th400/np205/C14/D60, 6/4 inch LIFT, not drop.
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