Due to a lack of knowledge on my part, I could not get my brand new 4-piston front disc brake setup to work properly, so I recently had my entire system changed to single piston. The guy doing the work said nothing from the 4-piston setup is compatible with the single piston setup, so the new single piston "kit" included many new parts to replace the new parts I'd installed only months ago - spindles, rotors, bearings, backplates, brackets, lines, 11" booster/master cylinder, etc. The only thing that actually looked different was the new style proportioning valve and the single piston calipers.

Only a few months earlier, I ordered all new components sames as above for a 4-piston system (it's what came on the car - I *thought* I wanted to stay stock). So, now I have this completely new 4-piston setup sitting in a box and I'm thinking I should try to sell it, but have no idea if anyone would want it. Obviously proper setup of 4-piston systems is an art as I couldn't find anyone within 200 miles to even look at it.

I complained a bit to the guy that bought all new stuff as I was certain some of the existing "new" parts could have been reused. He said the only thing that may have been compatible was the new booster/master cylinder - but that's it.

I've hear that 4-piston calipers have to be used with two-piece rotors, but the kit that I bought had single piece rotors and was cataloged as a 4-piston caliper kit for a 1967 chevelle. I even got the little booster valve that fits on the side of the master.

Anyone know if this kit is sellable or am I stuck with some very nice yard art?

Mike

I'm sure some doing a proper resto on a 67-68 Chevelle/El Camino might be interested in your brake package,Mike. Set up correctly,I'm sure the four piston disc brakes will work fine.

I am pretty sure the spindles, backing plates, etc are different... Even though you may now have one piece rotors, they are made to replace to two-piece versions, and not the same as the later single-piston one-piece rotors...

Whycouldn't you get them to work?

The only problems I have heard were that older calipers tend to leak... But I am no expert...

I have no experience with brake line bleeding. I did not bench-bleed the master. Also, since I used stainless lines, they were harder to get to seal up tight. Then I found I was missing a stabalizing bracket for each side, so turning the wheels loosened the lines. Finally, when we did get the brakes to work partially, they "clacked". I was certain if I did not replace them with something more familiar to the restoration shops in this part of the country, I would find myself chasing a brake demon for the next couple of years. But taking the $$$ hit on not being able to use them and then having to spend more $$ to get the singles is a big pill to swallow.

I had 4 pistons on my 68 SS and it took a good hour or so to get them bled out. I now converted to the single piston because of the leak problems. I used the same spindles, rotors and master cylinder. All I needed was new hoses, caliper brackets and the backing plates. I think your mechanic feed you some b.s. about nothing from the 4 piston being able to be used on the single piston setup. All that you needed was the hoses, backing plates and caliper brackets. The spindles are the same and rotors can be used with single piston because they're both the same size. The rotors are made just a little differently around the hub to except the bigger 4 piston caliper but can still be used.