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Old 05-09-2008, 05:33 AM   #1
lpaine
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diff pinion angle

I'm putting a 12 bolt diff into my truck but I know it has to be set at a correct angle, so, how best to determine that when bolting my diff/u-bolts/trailing arms together?Thanks in advance, Lew
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1969 G.M.C 3/4 Ton 920 (Canadian Version) 307 3 speed, currently apart
1998 Chevy 1/2 ton ex cab V-6 5 speed
1967 Chevy SWB - project truck; not started just yet
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Old 05-09-2008, 09:21 AM   #2
jwn1975
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Re: diff pinion angle

4-6 degrees DOWN. You have to take the pinion angle and subtract the driveline angle or vise versa and thats your pinion angle. You can google it and get a diagram that explains it better. I went 4.
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Old 05-09-2008, 05:07 PM   #3
lpaine
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Re: diff pinion angle

Thanks jwn1975
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1969 G.M.C 3/4 Ton 920 (Canadian Version) 307 3 speed, currently apart
1998 Chevy 1/2 ton ex cab V-6 5 speed
1967 Chevy SWB - project truck; not started just yet
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