'81 to '85 Brake Rotor retrograde ok?
05-28-2005, 05:27 AM
#1
Burning Brakes
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'81 to '85 Brake Rotor retrograde ok?
I'm staring down the barrel of a loaded question here...but I need help.
I'm waiting on an S4 update to my front suspension and brakes, and since I'm cheap it's taking a while. The problem is that my front rotors on the '85 are more or less shot. I've got two perfectly healthy rotors on my '81. Is there any reason I can't swap them? It seems like they are at least superfically identical.
I know, less swept area and all that, but I need good enough rotors until I can splurge on the update. I have to change wheel bearings and seals as well, so there is a bit of a project for the coming week.
HELP!
I'm waiting on an S4 update to my front suspension and brakes, and since I'm cheap it's taking a while. The problem is that my front rotors on the '85 are more or less shot. I've got two perfectly healthy rotors on my '81. Is there any reason I can't swap them? It seems like they are at least superfically identical.
I know, less swept area and all that, but I need good enough rotors until I can splurge on the update. I have to change wheel bearings and seals as well, so there is a bit of a project for the coming week.
HELP!
05-28-2005, 09:23 AM
#2
Rennlist Member
Unless your '81 was updated, the early 16v cars used the same spindles, calipers and rotors through MY '81. None of these parts are interchangable with the '82 - '86.5 equivalents ( '85 rotors are much thicker at 32mm, so the calipers are not suited for the thinner 20mm '81 disc, etc., etc.)