Gordonm

These are the calipers that I talked about in the other post. These are JFZ calipers that were supposedly rebuilt 2 years ago???? Like the cracked and egg shaped holes.







This is the only puck I was able to get out. The other ones are probably worse.



This is the caliper from the other side I have not tried to take apart yet.

turtlevette

JFZ calipers??

Is that a stock caliper with modifications? Never seen pistons like that in a stocker.

I don't think the bolt holes can be trusted with the cracks.

Gordonm

No it is an aluminum caliper that is used in Sprint cars a lot. This is a street version. Similar to the aluminum Wilwoods that he has on the front of this car.

72LS1Vette

Is that a steel insert pressed into an aluminum caliper? It looks like there might be some corrosion happening due to the dissimilar metals reacting. That sort of thing is common with iron engines and aluminum radiators.



Rick B.

Gordonm

The piston I am holding in my hand is steel and the caliper is aluminum. There is no insert in the caliper but the dissimilar metals are still there and there is a lot of corrosion on the housing and rusting on the piston.

...Roger...

Oh , so in the last pic were seeing the pistons still in the bores. Got it.

Gordonm

Yes those are really stuck in there. That caliper was just removed and set on the bench. The pads are still in the caliper.

Mike Ward

Nice paperweights.

mar

So what is the point? Can you get them replaced under warranty or something?

Gordonm

I was just showing the bad calipers from another post. No point at all. These are a few years old and have been "rebuilt" before so warranty would be out the window. I have to let the owner make the decision on what to do. I would replace them.