Well I’ve got the 9 bolt rear with 2.77 now and would like to swap to a ten bolt with 3.4?s. I would be going for the ten bolt because of the cost of parts, and it is E-Zer to get parts for the ten bolt. The thing is I have four wheel disk brakes now and can’t fine a ten bolt with disks. I can’t help but trip over a drum ten bolt at the junkyard. Can I get a ten bolt with the drums and swap the disk breaks from the 9 bolt to the tem bolt, Backing plates and all of course.

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Now I HAVE_A_Z
89 IROC 350 TPI

 

Nope. At least not without a lot of fabricating.

 

What would need to be fabricated? Just the baking plate, rite?

 

At the minimum the backing plates need to be custom attached. Early disk brakes had a smaller rotor. It won't fit over the axle flange. Check if it will fit, otherwise the axles will need to be removed and turned down. Then swap over the brake lines and e-brake cables. Do a search, others have made the swap. Good luck, Lon.

 

.. and let me know if your going to get rid of the 9-bolt. I'll come pick it up and haul it off for ya.

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A blue & grey '87 Trans Am coupe

• GMPP HO 350 short block
• L98 Aluminum heads
• Crane's LT4 hot cam
• Edelbrock Hi-Flo base
• SLP runners
• AS&M ported plenum
• Hypertech airfoil
• SLP 1 & 5/8" SS headers (wrapped)
• 3" 'Y' pipe, a Hi-Flo Cat and the SLP Cat-Back exhaust
• T-5 and a 9 bolt w 3:27's
• Spohn SFC's, adj PanHard Rod and adj LCA's
• & a bunch of misc equip, as well.