Help with Ford 9" and LS1 brakes

[BBPanel]

A couple of other things to ponder. When I did this on my Nova (9" w/GM flange), the rearend had been shortened 1" per side too much. The LS1 calipers are pretty wide (including the brake line connnection, etc) to the extent that they now interferred with the frame. So I went with S10 brakes - the rotors are 1/2" smaller but I didn't consider that an issue for my application. The calipers are much narrower and an added bonus, the e-brake bracket is integral to the backing plate. May not be what you are looking to do but wanted to pass on my experience. -Bob

[67rstbkt]

Originally Posted by BBPanel

A couple of other things to ponder. When I did this on my Nova (9" w/GM flange), the rearend had been shortened 1" per side too much. The LS1 calipers are pretty wide (including the brake line connnection, etc) to the extent that they now interferred with the frame. So I went with S10 brakes - the rotors are 1/2" smaller but I didn't consider that an issue for my application. The calipers are much narrower and an added bonus, the e-brake bracket is integral to the backing plate. May not be what you are looking to do but wanted to pass on my experience. -Bob

Thanks, that's something to consider if I can't get this to work. I already have all the parts, really want to use them if I can.

[BBPanel]

Originally Posted by 67rstbkt

Thanks, that's something to consider if I can't get this to work. I already have all the parts, really want to use them if I can.

What I did won't solve your backing plate/bearing issue - you would have the same issue w/S10 backing plate - I was just pointing it out as a solution if you have LS1 caliper clearance issues. Also, I'll see if I took some pics but as I recall my bearing protruded just a little even with the flush mount ends, but nowhere 1/8". -Bob

[67rstbkt]

Originally Posted by BBPanel

What I did won't solve your backing plate/bearing issue - you would have the same issue w/S10 backing plate - I was just pointing it out as a solution if you have LS1 caliper clearance issues. Also, I'll see if I took some pics but as I recall my bearing protruded just a little even with the flush mount ends, but nowhere 1/8". -Bob

Thanks, I got that; If you can post a pic of that so I can compare what mine looks like, that would be greatly appreciated.

[BBPanel]

Originally Posted by 67rstbkt

Thanks, I got that; If you can post a pic of that so I can compare what mine looks like, that would be greatly appreciated.

Ok, just wanted to be sure I didn't lead you down a path to the same problem. I'll take a look but as I recall it was on the order of 0.030" or so.

[67rstbkt]

Originally Posted by BBPanel

Ok, just wanted to be sure I didn't lead you down a path to the same problem. I'll take a look but as I recall it was on the order of 0.030" or so.

I appreciate that. How did you deal with the bearing protusion, btw?

[BBPanel]

Originally Posted by 67rstbkt

I appreciate that. How did you deal with the bearing protusion, btw?

As I recall, I spoke w/Moser and they weren't concerned about it so I bolted it up and never looked back!
May not be as elegant but I suppose you could use washers on the t-bolts to mock up everything before having a 1/8" shim made or machine the backing plate. You could verify the axle offset needs that way too if you choose to user the spacer.