Disc brake conversion / front wheels

[busboy]

I converted the 9" drums on the front of my 72' Swinger to a disc set up from a 70' Valiant. Do the rims need to be a different back space for the disc set up?? If so, what back space would I be looking for? Car is still in storage, just trying to get organized for the spring.

 

[Bulldozer]

without knowing what rims you are using or the total width of the rims or any other info , this is all a shot in the dark. you give no information to work with. are you using 13" rims? 14" ? 14x10? 14x3? the track width will change very little ,if at all, the disc brakes are for use with any stock 14" in wheel. the backspace is going to depend on how wide of a wheel you are trying to use and what tires you are using

 

[busboy]

ops: Sorry about that, a little more info...........stock 14" steel rims, the car (72' Swinger) originally had 9" drums on the front. I've put on a stock KH disc set up, if I remember correctly, when I snug down the rims now they bind against the caliper, a spacer helps but that makes the studs a bit short and the nuts don't seat properly. More backspace seems to make sense, I just didn't realize that there may be different rims for drum vs disc, so I'm wondering what backspace I should be looking for using discs. Hope that helps.

 

[cudamark]

I've used both the 14 X 4 1/2" and 14 X 5 1/2" stock wheels on the factory KH disc brakes with no interference problems. Do you have a photo of your wheels that you can post here?

 

[busboy]

Car is still in storage, I'll see what I can get this week and post.

 

[jefflock]

They should be small bolt pattern wheels correct?

 

[cudamark]

They should be if it's stock.

 

[busboy]

Yup, small bolt pattern. I've since read that the 4 1/2" rims are for the 9" drum / slant six cars and the 5 1/2" came on the disc equipped, V8 powered, cars and are slightly different to accommodate the caliper.