DOES ANY ONE HAVE A PIX OF AN ORIGINAL 69 FRONT ROTOR. MY ROTORS HAVE VARIOUS SIZE HOLES IN THE HUB (OUTSIDE DIAMETER) NEXT TO THE DISC......I HAVE OWNED THE CAR SINCE 1982......DON....
That was for balancing,
Jerry
JERRY, I HAVE SEEN PICTURES OF REPO'S, THAT CLAIM TO BE MADE FROM AN NOS PART, BUT I DO NOT SEE ANY BALANCE HOLES DRILLED. DO MOST FACTORY ROTORS HAVE THESE HOLES? ARE THE REPO'S NOT BALANCED? WAS THE SERVICE PART FROM GM UN BALANCED?........DON
I have both the original rotors on my car, only one has the holes drilled to balance the rotor. I am sure there was a balance spec for the rotors when new, if they were within tolerance no additional machining was needed. Attached is a picture of the paint mark that was only on the rotor without the holes.
Mike