79-81 TA rear disc plates take a "metric" size D154 caliper like on late 80s Monte Carlos but had a ratchet e brake in the piston that often locked up. If you do not need an E brake D154 calipers can work fine with the 11" TA rotor C tek part #121.6025. Those calipers are used in a LOT of the after market rear brake kits.
I have the full TA with ratchet calipers on both my TAs silicon fluid is the trick to helping not lock up.
My IA/Camaro has a 12 bolt with the backing plates and D154 calipers and flex hoses to them. On all cars the front lines are T'd and rear has an adjustable prop valve in it. It is manual MC Mopar roughtly 15/16 with Wilwood Dynalite kit on the front.
Power booster, MC and pedal ratio all affect pedal feel. TA 4WD used a dual diaphragm booster that needs an even lower ratio pedal than regular power brakes .
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Skip Fix
1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
2004 GTO Pulse Red stock motor computer tune 13.43@103.4
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
Last edited by Skip Fix; 02-16-2024 at 04:48 PM.
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