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Author Topic:   rotors for rear
racer9
Dirt Roller

Total posts: 13
posted July 08, 2002 05:15 PM
I need to know what rotors I can use on the rear of a firebird with 4-3/4" pattern. We are wanting to put rear disc on the car and are looking for rotors that will work.
Thanks for any help

Pickel
Dirt Forum Champ
Total posts: 564
posted July 08, 2002 08:55 PM UIN: 25419780
when I ran my 10bolt I ran rotors off a full size front wheel drive cars like caddy ,buick olds..you need to get the front calipers and rear or front rotors ans get the rear calipers brackets off the rear...you will need to grind on the rear hub untill the rotors fit (about 1/8 inch)the calipers brackets will bolt on the rear with 3 bolts..or if you are interested I have my old rearend with a 538 in it all read set up ..just let me know .. I almost forgot you can run a alt. off this rearend

[This message has been edited by Pickel (edited July 08, 2002).]

6pack
Dirt Maniac

Total posts: 128
posted July 08, 2002 08:56 PM
'79 thru '81 Z/28's and Trans Am's came with rear disc brakes. (Some of them.)

o5racer
Dirt Maniac

Total posts: 115
posted July 08, 2002 09:39 PM
there are several rotors that will fit for what you need. the best choice in my opinion is rear rotors from 98 and newer 4WD S-10 and blazers. they are 11.5 in diameter, have 4 and 3/4 bolt pattern, and measure 3 inches from the front edge where the wheel mounts to the front edge of the rotor face. they run about 35 bucks at most parts stores and they should have them on hand. front rotors from 84-90 4WD s-10s also fit. they only have about 1 1/5" of offset though. front rotors fron 84-90 vettes will also work. 11 3/4 diameter, 2 1/2" offset, 4 and 3/4 pattern.

6pack
Dirt Maniac

Total posts: 128
posted July 09, 2002 11:00 PM
Hey,o5racer, where do you find those S-10 rotors for $35?

racer9
Dirt Roller

Total posts: 13
posted July 10, 2002 05:30 PM
The rear rotors off the 98 up s-10 worked great. Thanks so much.

6pack
Dirt Maniac

Total posts: 128
posted July 10, 2002 08:43 PM
If it's not imposing, where did you find them and how much did they cost? Sounds like what I've been looking for.

o5racer
Dirt Maniac

Total posts: 115
posted July 10, 2002 11:14 PM
the price for the rotors at the local carquest was 33$. glad they worked for ya

6pack
Dirt Maniac

Total posts: 128
posted July 10, 2002 11:42 PM
Thanks!

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