Brake caliper application
 

The calipers I removed from my '70 Chevelle are 636 and 637. From what I find, they are for a Camaro ? Side by side they are nearly identical to the 700-701 Chevelle calipers. The 700-701 castings are thicker so there is a physical appearance difference that would not be seen on a car.
Question is, would the 636/637 calipers have been installed on a 1970 Oshawa Chevelle ?
If not, I'll have a nice set for sale. They are painted black with what seems to be Red Oxide under it too. Original, or not ?

Hey Mitch.

I’ve always understood those to be 1969 Chevelle calipers.

For what it’s worth.

Cheers,
Anthony

The casting numbers are 5463636 and 5463637 and my understanding is they came on 1969 and early 1970 Chevelles, Camaro, Novas and over onto the other GM makes as well. I have inspected several LS6 Chevelles with these calipers so they must have been using them late into 1969. I unfortunately never documented the cut off period so I am not sure when they changed over to the 700/701.

Thanks Rick, this a first week of May build, so might be a stretch for them to be original, but maybe they didn't go thru a supply as fast in Oshawa ?
Any thoughts on the calipers, master and booster being painted black with red oxide primer under it ? Again, an Oshawa anomaly ?

Never seen that one before though admittedly I do not study the Oshawa cars.

Thanks Rick. At first I thought it was just PO applied, but when I found the Red Oxide under the black, that makes me wonder.

All 3 of my 69’s have 636 and 637 calipers on them. Latest build date 3 week of may.