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Discussion Starter #1
I READ THAT I MIGHT HAVE A PROBLEM CLEARING THE REAR CALIPER WITH CERTAIN WHEELS. IS THAT TRUE? I AM ALMOST DONE WITH THE CONVERSION AND NEED TO BUY WHEELS SOON......I WILL BE RUNNING 33'S. <IMG SRC="smilies/usa.gif" border="0">

[ 09-20-2001: Message edited by: stig ]
 

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Just go with no more than 3" of back spacing and you'llbe fine. You may need to round over the calipers a bit, but there is tons of cast steel there anyway. I ground the snot out of mine with 3 1/4" of back spacing and no problems.

HTH~ <IMG SRC="smilies/eyemouth.gif" border="0">
 

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I bet you'll be OK with 3-7/8" backspacing or less, on the rear.

I did rear disc brakes with Monte Carlo calipers. I am running stock 1970s wheels widened to 10", with 3-7/8" backspacing, and the rear wheels clear the calipers fine. The front wheels clear the stock 1976 calipers fine, and they clear the steering arms because they are aftermarket high-steer arms that don't point as far outward as the stock ones.

Here are some pics and info from my RDB conversion.

morgan

[ 09-20-2001: Message edited by: morgan ]
 

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Originally posted by morgan:
[QB]I bet you'll be OK with 3-7/8" backspacing or less, on the rear.

Here are some pics and info from my RDB conversion.

morgan

That's weird Morgan. Mine rubbed the rims even with the TSm caliper brackets which move the caliper even closer to the center of the disc than Cardinal Fangs by about 3/16 of an inch. My rims are 3 1/4" back spacing and they still rubbed a bit until I rounded them over. YMMV I guess eh?

Good luck! <IMG SRC="smilies/beer.gif" border="0"> <IMG SRC="smilies/smokin.gif" border="0">
 

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Originally posted by Dog House:
<STRONG>That's weird Morgan. Mine rubbed the rims even with the TSm caliper brackets which move the caliper even closer to the center of the disc than Cardinal Fangs by about 3/16 of an inch. My rims are 3 1/4" back spacing and they still rubbed a bit until I rounded them over. YMMV I guess eh?</STRONG>
Here's a pic:



morgan
 

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Discussion Starter #6
ok then.....I'll go 3.5 back spacing(right up the middle somewheres) and be ok?
 

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Originally posted by morgan:
<STRONG>Here's a pic:



morgan</STRONG>
Morgan, my rims appear to be shaped differently than yours. Mine are US wheel rims and have a recess in them that I do not see on your stock widened rims. That must be the difference. With my 10" wide rims and 3.25" BS they(from what the Bizmark Alvarado at US Wheel told me)have to flip the rims around in order to get anything less than 4" of back spacing due to the recess in the rim which allows for mounting of the tire as it slides over the edge of the rim.

Anyway next time we have the rigs in the same place let's compare the shape of the rims. I'm sure that's the difference.

Adios <IMG SRC="smilies/beer.gif" border="0"> <IMG SRC="smilies/smokin.gif" border="0"> <IMG SRC="smilies/beer.gif" border="0"> <IMG SRC="smilies/smokin.gif" border="0">
 
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