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15'' 8 lug rim/d60 tech article

blazin_blazer

blazin_blazer

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in the article, he is using 4'' bs, and the only 15'' 8 lug wheel, i can find is 3.5'' bs...so less grinding i would assume, as would 3'' bs(if i can find em)..and i've been told that 2.75 bs requires no grinding...is this true? if so what would it hurt to run 2.75 bs?

in the article, after he's done he says he only removed about 1/8'' from caliper to back of his 4'' bs rim, it looked like he had to take down outside half of caliper and the ledge he left looks alot deeper than 1/8''....what say ye, ol' bretheran of the round wheels?

does 2.75 bs cause havoc on the d60 bearings or are they beefy enuff to handle it??(44''tsls) a 3.5 bs is still kinda deep on the caliper,....so would 3'' bs be a happy medium?

this is only 8 lug 15'', i can find:

http://www.ntwonline.com/acb/showdetl.cfm?&DID=48&Product_ID=2202&CATID=11

where can i find a good heavy steel wheel w/either 2.75 or 3'' bs or should i use the 3.5 bs?

please post up the knowledge! as i'm ready to order these wheels!
 
4.25 = he!! no in my book.

3-3.5 = lots of grinding i dont know ? ? ?

2.5-2.75 = it is the way to go in my book. i love my brakes over backspace.
 
not to hijack, but does anyone know if you can use 15 inch rims on 3/4 axles? Is the having to grind just the one tons?
 
Theres grinding to be done to make the 3/4 tons work, but it's pretty minor in comparison. I did 4.25" backspacing 15" wheels on a d60, and spent 6+ hours grinding and took 1/4" of material off
 
cause i might get tires for my 6 lug but then if i get 8 lugs i dont want to need to get new rubber. How much material do you need to trim for 3/4? or should i just get the rims tires and axles together?
 
I have 15" on 3/4tons, D44 front and 14bolt rear both with 3/4 front disks. Had to grind about 1/8 off the caliper for procomp wheels. Since I mainly ground off the casting line I doubt I made any difference in caliper strength and if anything made them stronger by reducing stress risers. Wheels are #(87-5881 15X8 8X6.5 BLACK 4.25 back spacing. ) I'll have to wait to see how much wheel flex causes grinding.
 
hey i found these

http://cgi.ebay.com/ebaymotors/ws/e...em=350017791470&_trksid=p3984.cTODAY.m238.lVI

will the fomoco wheels fit gm d60f/14bff? he says from lugs to top of rim is 5'',..i wrote and asked for a measurement from back of lug to straightedge across the back....doesnt look like 5'', but hard to tell by the pics...looks like maybe 5'' to front, but they are 10'' wheels so, if thats case should be 5'' in the back, but they look kinda shallow in back, by looking at the ridges, 1st will they fit? i have a factory fomoco steel wheel, it fits my 3/4 10b, on lugs, the center hole is about 1/8'' big around the hub.
 
2.5-2.75" rims will be reverse center. If you ever want to do weld-on beadlocks you should really think about ordering a rim with a standard center so your inner bead isn't on the small lip like it would be with reverse centers.

I ran 4.125" BS on my 10b w/D44 backing plates & rotors. I have the full shell backing plates and had to do quite a bit of grinding to get them to clear the backing plates. It was harder to clear the backing plate then it was the caliper.

I ran 4.125" BS for several reasons. On a 10b/D44 it is easier on balljoints. It also doesn't make your axle as wide which in the rocks in tight trails can be a big blessing. 4.125" BS allows for weldon beadlocks with the longer return on the inner bead for more security.

If I was doing a D60 I would use 3.5" BS because less grinding & kingpins don't care about the BS as much as balljoints do. This should also allow for standard centers for weldons beadlocks down the line if necessary.

Harley
 
Hossbaby50 said:
I ran 4.125" BS on my 10b w/D44 backing plates & rotors. I have the full shell backing plates and had to do quite a bit of grinding to get them to clear the backing plates. It was harder to clear the backing plate then it was the caliper.

Harley
Click to expand...

I had the same issue with my D44 outered 10bolt. I then put in the D60 and had to grind for wuite a bit and even had to take a little off the caliper mount to fit them right.

Next set of tires will include a set of 17" wheels inside of them and I will replace the calipers. No brake worries and hopefully less body roll from smaller side wall(39.5" iroks). The rims now are only 8" wide too I think and it is crowning the tire too much. another reason to replace.
 
I will probably be doing 17's next too. I want 40" Maxxis Creepy's and they only make them for 17's so I am stuck going bigger which is actually fine by me. The K5 currently has 16's but will probably go back to 15's when I get my next set of tires. The buggy I am gonna build is 17" all the way though.

Harley
 
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