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Author Topic: Pinon angle what the ???  (Read 144 times)
Farm Truck
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c10+400
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« on: May 01, 2010, 09:51:48 PM »
the pinon angle on my 12 bolt is pointing up.  I believe it has been like this ever since i got the truck.  I think this is not good for the u jpoints at all and maybe causing my vibrations around 60mph.   

Can I use axle shims to bring the pinon down by installing them backwards?   

thanks
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1977 K10 350,th350,np203,10 bolt , 12 bolt G80,  Heavy half ton
1984 c10 400,th30,10bolt  hot rod
1956 Willys 4x4 wagon 350, T90, d18,d25 front, d53 rear, 4:88's
NEK5
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« Reply #1 on: June 20, 2010, 01:07:50 PM »
Longer shackles in the front maybe?
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82 was a K5 now a pick em up thingy/vortec'd 350/built 700R4/NP241/10b/14BSF/4.10s/15x8 HD Eatons wrapped in 33x12.5 TrXus MTs
LeadFootedRacer
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LeadFootedRacer
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« Reply #2 on: July 13, 2010, 10:20:52 PM »
pinion is supposed to point directly at the transmission, then DOWN 2 degrees... or something like that.  if your truck is lifted, with lift springs, then they will already have shims on them to correct the pinion angle.
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Medling some strange and odd ideas for my next 4x build... :evil grin:
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