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chi/6er
PostPosted: Mon Apr 04, 2005 10:05 pm 
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3 Deuce Weber
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I was wondering since all the shock plates for sale, they usually say 8.75" or 9.25", do they fit the 8.25" too?
Are the U bolts for springs(3" by 7" long) and axle housing the same too?
The backing plates for an 8.75" rear, does the SBP and LBP use the same plate? thanks.....Jerry

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steponmebbbboom
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PostPosted: Tue Apr 05, 2005 2:30 am 
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Turbo EFI
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there are no LBP 8&3/4" rears.

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Charrlie_S
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PostPosted: Tue Apr 05, 2005 4:50 am 
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there are no LBP 8&3/4" rears.
I'm sorry, but that is not correct. There are no "A" body LBP 8 3/4 rears, they are all small bolt pattern (4 inch), but all other 8 3/4 rears are large (4 1/2) bolt pattern

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70valiant
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PostPosted: Tue Apr 05, 2005 5:40 am 
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Turbo EFI
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8 1/4 and 8 3/4 rears both use the same shock plates and U-bolts. they haved the same spring perches and 3" axle tubes. 10" brakes all use the same backing plates and wheel cylinders. IIRC even 7 1/4 10 " brakes use the same backing plates because the later 7 1/4's flair out the end of the tubes.

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Charrlie_S
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PostPosted: Tue Apr 05, 2005 9:31 am 
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10" brakes all use the same backing plates and wheel cylinders. IIRC even 7 1/4 10 " brakes use the same backing plates because the later 7 1/4's flair out the end of the tubes.
I could be wrong, but I think the 10 x 1 3/4 brakes use a different backing plate then the 10 1/2 brakes. I have two rears with 10 brakes sitting on the ground. One with 1 3/4 and one with 2 1/2, and the offset from the mounting flange looks different. Don't have time to take the drums off, to measure.

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steponmebbbboom
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PostPosted: Tue Apr 05, 2005 10:37 am 
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Turbo EFI
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Quote:
Quote:
there are no LBP 8&3/4" rears.
I'm sorry, but that is not correct. There are no "A" body LBP 8 3/4 rears, they are all small bolt pattern (4 inch), but all other 8 3/4 rears are large (4 1/2) bolt pattern
Oh that's right, I missed that. Sorry...

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70valiant
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PostPosted: Tue Apr 05, 2005 12:52 pm 
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Turbo EFI
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I think you got me there Charlie. I know I put 7 1/4 brakes on an 8 1/4 and they worked great. It would make sense to me that 3/4" wider drums would need a deeper offset to the backing plate

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chi/6er
 Post subject: 8.25" - 8.75" rear
PostPosted: Wed Apr 06, 2005 3:25 am 
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3 Deuce Weber
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Thanks everyone...got my answer...

was at a swap meet and there were some shock plates real cheap for 8.75", guy said it was only for 8.75" and 9.25" and not 8.25"...my loss, since I didn't buy them....Jerry

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