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1990 brakes standard on Formula and Trans am

Old 12-30-2018, 04:01 AM
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Car: Firebird
Engine: 3.1
Transmission: 700r4 /borg warner t5
1990 brakes standard on Formula and Trans am

hello i need some information on the brakes that came standard from the factory only in the 1990 model year.
so i know the 3.1(140hp) and 5.0(170hp) came with one piston caliper disks in front and drums in back
what the 5.0 (210hp) 5.0(230hp) 5.7(245hp) cars came with ?
did they came standard with 2 piston calipers in front and disk brakes in the back ,or was this only optional?
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Old 12-30-2018, 06:58 AM
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Car: 92 TA and 88 GTA
Re: 1990 brakes standard on Formula and Trans am

All 3rd Gen had the standard iron single piston calipers in front. There was an optional package you could order for some models called 1LE, this one included the dual piston aluminum calipers for the front. The 89 Turbo TA got the 1LE brake from the factory. V6 models always had drum brakes in the rear, on all V8 cars you could have drums or discs, depends on the rear axle and rpo's. GTA models always had rear discs from the factory.
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