Backing plate Q's
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Junior Member
Joined: Sep 2004
Posts: 44
Likes: 0
From: Columbia,TN
Car: 89 Formula 350
Engine: 355
Transmission: 700R4
Backing plate Q's
I have an 89 formula 350 with the bw rear and pbr calipers. My rear is shot but I have a 10 bolt rear out of an 88 formula with the older disc brakes. Will the backing plates off the 9 bolt fit the 10 bolt? I would rather build the 10 bolt because of finding parts. It will never have slicks on it so I'm not worried about strength I just want to know if I can use the backing plates and pbr calibers on the 10 bolt rear.
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
The bolt pattern is different. Check the following link for pics and info:
https://www.thirdgen.org/forums/faq-...iscs-89-a.html
JamesC
https://www.thirdgen.org/forums/faq-...iscs-89-a.html
JamesC
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