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Old 06-08-2013, 12:34 PM
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what to do about mustang II front end on a 31 chevy coupe

Hey guys, What do I need to do about my upper A arms hitting my front fenders on my 31 chevy coupe?

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Old 06-08-2013, 01:02 PM
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Post pictures so we have an idea of what your problem is.
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Old 06-08-2013, 06:35 PM
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I think I'm gonna have a problem when I put my fenders back on. I think its common when changing from stock to mustang II.
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Old 06-08-2013, 07:33 PM
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I had a 32 Plymouth PB coupe. When I put the Mustang II under it the only way out was to widen it 4 inches. I split the middle of the cross member added 4 inches and worked like a charm, set the a arms out 2 inches on each side. Had to build a perch for the frame to set on. I had to get rack extenders and Fairmont? tie rod ends to make the rack work but it was better than boxing the fenders which looks like ***. That was years ago, they may make a wider front end now.
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Old 06-08-2013, 08:56 PM
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would a set of upper tube A arms help?
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Old 06-08-2013, 09:03 PM
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Tubular arms have less "overhang" to the inside of the pivot, might give you enough room,years ago,we put a teardrop bubble in the fenders on Model As to get clearance.
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Old 06-08-2013, 11:26 PM
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M II fit

Some companies build suspensions for full fendered cars that have the upper arm mounted lower with a different crosmember. The geometry is not right, more decamber on hard turns, they might counteract that with some toe out VS ideal turn akerman, and I don't know about tire wear on those designs . Welder series will sell you individual pieces for a mustang II, YOu could keep the lower half of the stock crossmember, buy new blank pieces and refit the a arm lower and reset the Welder series spring top plate angle. set the lower a arm parallel, set the spindle at camber angle, then see where to mount the upper arm mount to clear your fender,

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Old 06-08-2013, 11:51 PM
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Welder series update.

Welder series now offers a kit for using mustang II pieces that DO NOT require bubbling the front fenders for Model A fords Check out ther website I don't know how it would fit your chevy but the frame widths are reviewed in their video.
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Old 06-09-2013, 07:18 AM
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sent them a email. thanks
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Old 06-09-2013, 08:01 PM
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That looks like a stock MII xmember. I had to widen mine 4 " , then they came out with better ones and I ripped it out and put in an aftermarket xmember. Don;t recall the brand. It is 4" wider and much stronger. Of course it don't sit as low as yours but the fenders clear. I did give the upper arms a haircut. Yuo can look at pic #42 in my photo album. Not a very good pic though. Fairmont tie rod ends are used.
http://www.hotrodders.com/forum/memb...1931-chevy.jpg

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Old 06-09-2013, 09:36 PM
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It being 4 inches wider, doesn't that put the wheels 2 inches futher out?
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Old 06-10-2013, 04:16 AM
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it did widen the tire track and worked well with the fenders. Couldn't tell it, actually it would have been too narrow if I had not done it.
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Old 06-10-2013, 07:07 AM
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Quote:
Originally Posted by yellowbeard View Post
It being 4 inches wider, doesn't that put the wheels 2 inches futher out?
Does widen it.
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Old 06-10-2013, 07:47 AM
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Old 06-10-2013, 08:17 PM
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hey guys, How deep does my frame need to set into the front end?
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