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740 front rotor identification

JimmyMelbs

New member
Joined
Jul 19, 2015
Hi guys.
Have found these front rotors locally but unsure which model they are for.
Can anyone ID them?
I have an 88' 740t non ABS and it has girling front calipers.
Will these fit?
JUx4D
 
There are three different ones it could be, the early smaller ones or the later 89 big brakes 11.25 inches or later 92 and newer jumbo brakes 11 inch rotors. The early smaller rotors use a normal type wheel bearing that you get finger tight. The later bigger ones use sealed bearings and you torque them down 100 foot pounds. The big and the jumbos use the same spindle. Early small brakes use different spindle strut deal.

1988 could be either the small brakes or the big brakes, not sure. Crossover year.
 
740 w/o ABS listed 10.25" rotors until about 1989. 740 with ABS listed as 11.25". 1990-91 740 w/o ABS listed 11.25". But the car's brakes could have been upgraded.
 
Easiest way is to measure your rotor then you know what rotors you got. The big braked 11.25 rotors yes came on non abs 91 740, I got a car like that. Better rotors are the later 11inch Jumbos, thicker rotors less shimmy shakey Jakey more brake pad surface also.

It doesn't matter what the calipers are, there are only three different rotors ever that came on the 740's. The early ones, big ones, and jumbos..
 
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