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06-01-2014, 02:31 PM
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#1 |
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Registered User
Join Date: Nov 2011
Location: Oklahoma City Oklahoma
Posts: 1,054
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how to tell if your spindles ahould have 1.00 or 1.25 rotors
how to tell if your spindles should have 1.00 or 1.25 rotors? 86 SWB has no rotors or calipers yet, thanks
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06-01-2014, 04:02 PM
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#2 |
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Registered User
Join Date: May 2014
Location: kennesaw geaorgia
Posts: 38
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Re: how to tell if your spindles ahould have 1.00 or 1.25 rotors
The 1" spindle bearing are a lot smaller, the diameter of the rear bearing surface on the 1.25" is 1.375'' the 1" is 1.245" according to the spindles I have laying around... My truck had one 1" shindle and rotor and one 1.25" spindle and rotor and it had 1" calipers so needless to say I had fun figuring everything out on my truck...
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06-01-2014, 04:22 PM
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#3 |
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Registered User
Join Date: Feb 2013
Location: Upland, Calif
Posts: 698
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Re: how to tell if your spindles ahould have 1.00 or 1.25 rotors
The 1.25 inner bearing is an A5, the 1" rotor bearing is an A6 buy one or the other and see which fits or doesn't. Or measure the spindle with 6" calipers or micrometer.
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1957 CHEVY 1/2 TON SHORT BED 1940 FORD 1/2 TON SHORT BED |
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06-01-2014, 04:25 PM
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#4 |
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Registered User
Join Date: Feb 2013
Location: Upland, Calif
Posts: 698
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Re: how to tell if your spindles ahould have 1.00 or 1.25 rotors
Another tip off is the 1.25" equipped trucks used 2 3/4" rear shoes while the light duty used 2" shoes.
__________________
1957 CHEVY 1/2 TON SHORT BED 1940 FORD 1/2 TON SHORT BED |
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06-01-2014, 06:53 PM
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#5 | |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,938
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Re: how to tell if your spindles ahould have 1.00 or 1.25 rotors
Quote:
From info I searched, it seemed those brakes were typically on burbs or ordered as an option.
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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06-01-2014, 09:30 PM
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#6 |
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Registered User
Join Date: Feb 2013
Location: Upland, Calif
Posts: 698
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Re: how to tell if your spindles ahould have 1.00 or 1.25 rotors
Was yours an 86? This is true for 1986
__________________
1957 CHEVY 1/2 TON SHORT BED 1940 FORD 1/2 TON SHORT BED |
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06-01-2014, 09:38 PM
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#7 |
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Registered User
Join Date: Aug 2005
Location: Louisiana
Posts: 711
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Re: how to tell if your spindles ahould have 1.00 or 1.25 rotors
My 85 swb 1/2 ton 2wd has the 2 3/4 wide shoes and 1.25 spindles/rotors
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06-10-2014, 10:56 AM
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#8 |
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Registered User
Join Date: Nov 2011
Location: Oklahoma City Oklahoma
Posts: 1,054
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Re: how to tell if your spindles ahould have 1.00 or 1.25 rotors
Thanks, I don't have the original rear end nor drums but I just bought the smaller bearings and figured if it fits it drives
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