another gear ratio question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Coboyle04 · 05-29-2012, 11:36 AM

i was in the process of figuring out my rear gear ratio on 72 pickup
jacked up the rear, trans in neutral. when i spin the tire nothing else moves. i then grabbed the tire to stop the spin or slow it and the driveshaft started to move but just a little.....same on both sides.

whats up with that?

rpmgroup · 05-29-2012, 02:22 PM

chock the wheel/tire on one side of your axle and then spin the other.

05-29-2012, 11:36 AM	#1
Coboyle04 Registered User Join Date: Oct 2010 Location: Portland, or Posts: 388	another gear ratio question i was in the process of figuring out my rear gear ratio on 72 pickup jacked up the rear, trans in neutral. when i spin the tire nothing else moves. i then grabbed the tire to stop the spin or slow it and the driveshaft started to move but just a little.....same on both sides. whats up with that? __________________ Chuck

05-29-2012, 02:22 PM	#2
rpmgroup Registered User Join Date: Nov 2009 Location: so cal Posts: 97	Re: another gear ratio question chock the wheel/tire on one side of your axle and then spin the other.



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