will 72' Firebird front disc brakes Fit? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 04-13-2003, 07:14 AM
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Post will 72' Firebird front disc brakes Fit?

Will they fit my 1969 Camaro with drums? I can score them for an even $75 bucks.

ELi

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Old 04-13-2003, 04:15 PM
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bolt in, Your in luck.Dont forget to swap the master cyl.also. Good luck. JF
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Old 04-14-2003, 02:58 AM
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bolt in!?!?!

not hardly!

1 piece spindles will not directly interchange with 2 piece.

really screws with the geometry....

do a search on the disc brake swaps and somewhere back there it's been listed what your options are..
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Old 02-12-2007, 10:25 PM
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not to mention 70-81 F are front steer to boot.

www.scarebird.com
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Old 02-13-2007, 09:44 PM
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'67-'69 Camaro & Firebird, '68-'74 Nova & clones, & '67-'72 Chevelle & clones are what to look for. Chevelle calipers may not be the same, but the spindles & rotors are.

'69-up have the single-piston calipers, and parts for those are much easier to find than for the earlier years' 4-piston units.

Your steering arms will work fine, but if you find a donor car with shorter ones, they'll give you quicker steering. Do not use Chevelle steering arms, they will screw up your steering geometry.
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Old 02-14-2007, 08:11 AM
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The other thing that most people seem to overlook is that the two piece spindles (67-69 F-body, 64-72 A-body, and 68-74 X-body) have a different ball joint stud taper than the later spindles. Yes you can physically bolt them up, but it's unsafe. The ball joint studs will be overloaded and can break.
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Old 02-14-2007, 09:15 AM
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Quote:
Originally Posted by jimfulco
'67-'69 Camaro & Firebird, '68-'74 Nova & clones, & '67-'72 Chevelle & clones are what to look for. Chevelle calipers may not be the same, but the spindles & rotors are.

'69-up have the single-piston calipers, and parts for those are much easier to find than for the earlier years' 4-piston units.

Your steering arms will work fine, but if you find a donor car with shorter ones, they'll give you quicker steering. Do not use Chevelle steering arms, they will screw up your steering geometry.
Whenever you change the steering arm length you change the ackerman and the bump steer.
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Old 02-16-2007, 12:21 AM
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Quote:
Originally Posted by xntrik
Whenever you change the steering arm length you change the ackerman and the bump steer.
Good point, and that has to do with why Chevelle arms won't work right. The Chevelles were a front-steer design, and the angle and height of the arm are totally wrong when reversed for use in a rear-steer car.

Those different-length arms I referred to were used only on the cars with the rear-steer versions of that suspension design, and differ only by length of lever arm, as far as I know. The ones I've seen seem to have a similar angle off the mounting plane, so I don't think it would mess up the Ackerman.

Bump steer I don't know so much about, but in my limited experience, I've never noticed any instability or other untoward effects after converting from the long arms to the short ones. Both of my Novas were set up to not lean too much when cornering, so maybe it wasn't enough of a difference for me to notice.
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