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12-22-2010, 12:17 AM
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#1 |
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Registered User
Join Date: Dec 2009
Location: Milton, FL
Posts: 733
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Are 10 bolts 8.5 30 spline?
I'm looking for a posi unit, and someone said they have one for a 10 bolt 8.5 30 spline they'd let me have for cheap. My truck has a stock 10 bolt in it, would this work for me?
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12-22-2010, 12:39 AM
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#2 |
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Account Suspended
 Join Date: Dec 2008
Location: Huntsville,AL
Posts: 2,119
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Re: Are 10 bolts 8.5 30 spline?
some are 28 some are 30 I think depends on the year. i would get it and change out the axels to 30-spline axels. stronger imo. dont quote me tho lol
Last edited by nbpro; 12-22-2010 at 12:42 AM. |
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12-22-2010, 01:17 AM
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#3 |
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Registered User
Join Date: Dec 2009
Location: Milton, FL
Posts: 733
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Re: Are 10 bolts 8.5 30 spline?
Any way to tell if you have 28 or 30?
My truck's an 86 that came stock with a 305. Probably 28 spline being my luck. |
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12-22-2010, 01:20 AM
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#4 |
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6.0 powered square
Join Date: Feb 2008
Location: Mesquite texas
Posts: 3,459
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Re: Are 10 bolts 8.5 30 spline?
I believe the 30 spline started in 88 with the new body style
__________________
Aaron 1980 c-10 short bed lowered, cammed 6.0, 4l80e 3600 stall, smp tune, wilwoods, and flames best time so far best et 7.86 @87 on motor 7.57 90 on a 75 shot Build http://67-72chevytrucks.com/vboard/s...d.php?t=283326 |
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12-22-2010, 01:26 AM
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#5 |
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Account Suspended
Join Date: Dec 2008
Location: Huntsville,AL
Posts: 2,119
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Re: Are 10 bolts 8.5 30 spline?
28 spline carried into the early part of the '89 production year then they switched to 30 spline.dont quote me tho lol
Last edited by nbpro; 12-22-2010 at 01:28 AM. |
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12-22-2010, 03:58 AM
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#6 |
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Registered User
Join Date: Dec 2010
Location: sioux city, iowa
Posts: 619
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Re: Are 10 bolts 8.5 30 spline?
"
'88 and older 8.5" 10 Bolts including some early '89s have 28 spline axles. " Last edited by rayfinseats; 12-22-2010 at 03:58 AM. |
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12-22-2010, 09:50 PM
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#7 |
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Registered User
Join Date: Dec 2009
Location: Milton, FL
Posts: 733
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Re: Are 10 bolts 8.5 30 spline?
Thanks.
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12-22-2010, 10:22 PM
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#8 |
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Registered User
Join Date: Mar 2009
Location: Warsaw, IN
Posts: 93
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Re: Are 10 bolts 8.5 30 spline?
2WD=28 spline, except on the 88-98 trucks. 4WD were 30 spline and 6 lug, except the 10 bolt front, which is also a 28 spline.
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12-22-2010, 10:40 PM
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#9 |
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gets board easy.......
Join Date: Mar 2009
Location: Colorado Springs
Posts: 717
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Re: Are 10 bolts 8.5 30 spline?
remember suburbans and blazers has the same 10 bolts up till 1992
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12-22-2010, 11:28 PM
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#10 |
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TUKE-NoBullChit Customs owner
Join Date: Feb 2010
Location: La Marque, Tx
Posts: 640
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Re: Are 10 bolts 8.5 30 spline?
are 2wd suburbans what most look for when trying to find a posi unit or more desireable gear?
__________________
OWNER @ NBC Customs...No Bull Chit....'92 GMC C2500 ECSB 350/TH400, '57 FORD SKYLINER (My dad's for now, but its really mine-you'll NEVER see a cooler car at 7 years old lol), '42 ford rat rod shop truck (new project), 91 CHRYSLER VOYER MINIVAN (shop van for now) http://www.facebook.com/#!/nbc.customs 
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