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8 1/4" backing plates? #793748
09/05/10 09:35 PM
09/05/10 09:35 PM
Joined: Sep 2009
Posts: 105
Florida, USA.
J
john e Offline OP
member
john e  Offline OP
member
J

Joined: Sep 2009
Posts: 105
Florida, USA.
I have a 8 1/4" with 10" drums under my 69 Coronet. Can the drums and backing plates be used on a 8 3/4"? Same question on the shock plates.


Street racing is a mystery to most people, but I've got it figured out. If it blows up with a single 4, go dual quads. If that goes, inject it. And fix it fast.
Re: 8 1/4" backing plates? [Re: john e] #793749
09/05/10 10:10 PM
09/05/10 10:10 PM
Joined: Apr 2010
Posts: 1,216
Under My Car
Mopar_Country Offline
pro stock
Mopar_Country  Offline
pro stock

Joined: Apr 2010
Posts: 1,216
Under My Car
I believe the backing plates will fit. If the axle tube is 3" on the 8 1/4 then the plates should work as well.

Re: 8 1/4" backing plates? [Re: john e] #793750
09/05/10 10:13 PM
09/05/10 10:13 PM
Joined: Jan 2003
Posts: 8,016
Polson, MT
DoctorDiff Offline
master
DoctorDiff  Offline
master

Joined: Jan 2003
Posts: 8,016
Polson, MT
Yes and yes.

Re: 8 1/4" backing plates? [Re: DoctorDiff] #793751
09/05/10 11:23 PM
09/05/10 11:23 PM
Joined: Jan 2003
Posts: 4,518
Indiana
MonGoo$e Offline
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MonGoo$e  Offline
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Joined: Jan 2003
Posts: 4,518
Indiana
they are correct.


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https://www.youtube.com/HoosierGarage
Re: 8 1/4" backing plates? [Re: DoctorDiff] #793752
09/06/10 12:20 AM
09/06/10 12:20 AM
Joined: Sep 2009
Posts: 105
Florida, USA.
J
john e Offline OP
member
john e  Offline OP
member
J

Joined: Sep 2009
Posts: 105
Florida, USA.
Many thanks. The last time I had a B-body was '93. I'm a bit fuzzy on a few things.


Street racing is a mystery to most people, but I've got it figured out. If it blows up with a single 4, go dual quads. If that goes, inject it. And fix it fast.
Re: 8 1/4" backing plates? [Re: MonGoo$e] #793753
09/06/10 12:22 AM
09/06/10 12:22 AM
Joined: Jan 2003
Posts: 3,122
Auburn WA
Dave_J Offline
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Dave_J  Offline
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Joined: Jan 2003
Posts: 3,122
Auburn WA
Well I have the same backing plate from my 10"X2" LBP 7 1/4 on my LBP 8 1/4. I did have them on my 8 3/4 too. So I too say YES.


Retired, US ARMY 1973-1994
ASE mechanic, Electrical 1994-1997
Retired GTE/VERIZON/FRONTIER 1997-2015


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