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07-30-2007, 06:41 PM
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#1 |
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Registered User
Join Date: Dec 2001
Location: Spring Creek, nevada. U.S.A.
Posts: 456
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rear axle question?
i'm putting a 77 rear axle in my blazer and had to cut the pads off of axle.when do you check pinion angle? relaxed on the springs or do you have to put tires on and set on the ground? what angle should it be at? thanks for the help john.
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69 chevy short wide box project 70 GMC jimmy project |
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07-30-2007, 09:47 PM
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#2 |
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I'm a poor spectator
Join Date: Aug 2006
Location: San Antonio, Tx
Posts: 2,287
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Re: rear axle question?
With the weight of the vehicle on the springs.
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2006 Jeep Unlimited IMPACT ORANGE 1993 Chevy 2500 4x4 ExCab LWB 454/NV4500 Tow rig  1977 Ford F100 2x4 LWB 1st truck I owned, still have it!!!  1979 Ford F150 4x4 SWB Built Ford Tough!!!  1971 Chevy Blazer 350 / SM465 / NP205 UNDER CONSTRUCTION Soon to have a LQ4 6.0!!! |
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07-30-2007, 10:04 PM
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#3 |
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Registered User
Join Date: Dec 2001
Location: Spring Creek, nevada. U.S.A.
Posts: 456
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Re: rear axle question?
anybody have an idea what degree the factory pinion angle is?
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69 chevy short wide box project 70 GMC jimmy project |
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07-31-2007, 01:11 AM
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#4 |
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Member #1049
Join Date: Jun 2000
Location: Troy Montana
Posts: 3,940
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Re: rear axle question?
Here is a link about pinion angles
http://www.carcraft.com/howto/91758/index.html |
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07-31-2007, 11:54 PM
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#5 |
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Registered User
Join Date: Dec 2001
Location: Spring Creek, nevada. U.S.A.
Posts: 456
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Re: rear axle question?
thanks i'll give that a read on days off.
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69 chevy short wide box project 70 GMC jimmy project |
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08-07-2007, 01:02 PM
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#6 |
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Registered User
Join Date: Dec 2001
Location: Spring Creek, nevada. U.S.A.
Posts: 456
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Re: rear axle question?
so would you guys say a 3 degree angle is ok for a 4 wheel drive rear axle?
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69 chevy short wide box project 70 GMC jimmy project |
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08-07-2007, 01:35 PM
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#7 |
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Senior Member
Join Date: Aug 2005
Location: OKC, OK
Posts: 2,364
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Re: rear axle question?
3 degrees would be very close. If you need more or less you could always use pinion shims.
Mike
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Mike Redpath |
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08-07-2007, 02:35 PM
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#8 |
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Registered User
Join Date: Feb 2000
Location: Modesto, CA
Posts: 1,842
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Re: rear axle question?
First = what kind of drive line do you have? CV or no CV?
With CV you can point your pinon directly at the transfer case (full load on springs). With out you need to get a degree finder/pointer and get your rear pinion/yoke angle with in 2deg of your xfer case flange/yoke. That is the perfect setup but there is a bit of room for error but too much error you will get vibrations from hell. Oh and full load on the axel before you set and weld your perches on.
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1972 K5 MPFI454/Sm465/Np205/D60/14FFd/Re-Centerd H1s w/Swamper Iroks
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08-08-2007, 11:41 PM
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#9 |
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Registered User
Join Date: Dec 2001
Location: Spring Creek, nevada. U.S.A.
Posts: 456
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Re: rear axle question?
no cv just the stock driveline. i got the tires on and sitting down with all the weight on it. so i'll shoot for three or two. it'll havee to wait to get welded intall my next days off. thanks for the help, john
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