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A body, move rear back for tall tire
#438000
08/14/09 09:02 PM
08/14/09 09:02 PM
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Joined: Jun 2003
Posts: 9,225
Charleston
sixpackgut
OP
Drag Week Mod Champion
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OP
Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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my friend has a mini tubbed Scamp with MP relocate kit on it. if you try to put a 30" tall tire on the car it will hit the quarter. if you move the front spring eye back then there is interference for the rear shackle.
my thought process was this( but i'm f'ed up) the rear needs to move back 2". i was thinking about Calverts monos with a shorter rear segment and use a front segment from a B/E body car. this will move the rear back a perfect 2" from where it is and i'm sure the rear spring could be matched up from a chevy or ford spring.
any opinions or how do you guys go about stock suspension A bodys with tall tires?
Gen 3 power 6.22@110, 9.85@135
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performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: A body, move rear back for tall tire
[Re: sixpackgut]
#438003
08/14/09 09:15 PM
08/14/09 09:15 PM
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366
I Live Here
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I Live Here
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
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When I set my car up origionally I set the rear back 1.5" for tire clearance, when I switched to ladder bars I kept the same wheel base, my front to rear ratio is at 51% front,49% rear. 
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: A body, move rear back for tall tire
[Re: dartman366]
#438004
08/14/09 09:20 PM
08/14/09 09:20 PM
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Joined: Jun 2003
Posts: 9,225
Charleston
sixpackgut
OP
Drag Week Mod Champion
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OP
Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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Quote:
When I set my car up origionally I set the rear back 1.5" for tire clearance, when I switched to ladder bars I kept the same wheel base, my front to rear ratio is at 51% front,49% rear.
easy to do on a ladder car but on springs, did you just move the shackle back 1.5 also, seems like it would hit something back there, not sure what it is
Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: A body, move rear back for tall tire
[Re: sixpackgut]
#438005
08/14/09 09:26 PM
08/14/09 09:26 PM
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366
I Live Here
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I Live Here
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
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Quote:
Quote:
When I set my car up origionally I set the rear back 1.5" for tire clearance, when I switched to ladder bars I kept the same wheel base, my front to rear ratio is at 51% front,49% rear.
easy to do on a ladder car but on springs, did you just move the shackle back 1.5 also, seems like it would hit something back there, not sure what it is
yes moved the shackle back also. 
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: A body, move rear back for tall tire
[Re: BBLM23]
#438007
08/14/09 10:06 PM
08/14/09 10:06 PM
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Joined: Feb 2007
Posts: 6,295
U.S.
moparniac
master
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master
Joined: Feb 2007
Posts: 6,295
U.S.
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Where's it hit the quarter at? I even have chrome trim in my 71 dart and got a 315/60/15 in there with the 8 3/4 ...
Mopar Performance
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Re: A body, move rear back for tall tire
[Re: moparniac]
#438009
08/14/09 10:14 PM
08/14/09 10:14 PM
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Joined: May 2007
Posts: 1,443
Maryland
Dads426
pro stock
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pro stock
Joined: May 2007
Posts: 1,443
Maryland
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If you have MP spring perches welded to the rear they have three holes in them. The front hole will move the rear back about 1.5". You just have to redrill the shock mount (bottom plate) to match. Did this on our 64 Plymouth and it worked great.
2012 422 Allstars NSS Champion
2013 422 Allstars NSS Champion
2014 422 Allstars NSS Champion
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Re: A body, move rear back for tall tire
[Re: moparniac]
#438010
08/14/09 10:24 PM
08/14/09 10:24 PM
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Joined: Nov 2003
Posts: 2,273
Greenville, South Carolina
BBLM23
top fuel
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top fuel
Joined: Nov 2003
Posts: 2,273
Greenville, South Carolina
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28x13.5 before:  28x13.5 after:  30x13.5 after: 
Walter
1969 Dart Swinger w/ARC Pump Gas 493 B1/BS 10.18 at 130mph
Racing Pro in street trim.
1981 Aries ARC 548 B1 8.88 at 147mph (footbraking)
1996 Ram 2500 V10 16.52 at 80mph
1981 Reliant 400
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Re: A body, move rear back for tall tire
[Re: Dads426]
#438014
08/14/09 10:38 PM
08/14/09 10:38 PM
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Joined: Feb 2003
Posts: 1,572
wisconSIN
Blown61
pro stock
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pro stock
Joined: Feb 2003
Posts: 1,572
wisconSIN
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Quote:
If you have MP spring perches welded to the rear they have three holes in them. The front hole will move the rear back about 1.5". You just have to redrill the shock mount (bottom plate) to match. Did this on our 64 Plymouth and it worked great.
Doesn't bend the perches or anything? you weld a strap around the rear to the perches? that is a great idea.
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Re: A body, move rear back for tall tire
[Re: DaKuda]
#438015
08/14/09 10:38 PM
08/14/09 10:38 PM
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Joined: Jan 2005
Posts: 3,699
Newport, Mi
Evil Spirit
master
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master
Joined: Jan 2005
Posts: 3,699
Newport, Mi
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Quote:
I just did my '70 Dart. Moved the rear back 1". Boxed in a new rear spring hanger and moved the front hanger up in the frame to lower the car. A 29.5x12 Hoosier slick fits with clearence everywhere. Didnt even need to roll the wheel lip like usually do.
We did a '68 Dart for a friend - moved springs in under frame rails, moved the springs back 1 1/4", and widened the stock tubs (inside is flush with framerail. At the rear we had to notch out the braces where the bumper bolts to the rear panel to install the tubes for the spring perches. Also, the owner had originaly bought 28/11.5/15 QTP's, but when he switched to 295/65/15 MT Drag Rads (30" tall), the front still cleared the 1/4's, but the tread face is close to the rear of the tub, and has hit several times. We are now pie-slicing the tub and trimming the trunk floor/trunk extensions for tire clearance. That area is circled in pic.
Free advice and worth every penny...
Factory trained Slinky rewinder.........
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Re: A body, move rear back for tall tire
[Re: Quicktree]
#438018
08/14/09 11:41 PM
08/14/09 11:41 PM
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Joined: Jan 2005
Posts: 3,699
Newport, Mi
Evil Spirit
master
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master
Joined: Jan 2005
Posts: 3,699
Newport, Mi
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Quote:
wouldn't it be just as easy to change the tub?
Not sure which post you are referring to; if mine, our options are:(1)Owner wants to stay with this size tire and ride height, and there isn't enough room at front of 1/4 to move axle forward. (2)Reshape rear of tub area. So we sliced the tub about 5" on each side and added filler metal, and trimmed about 1 1/4" across trunk floor. Pass side is done - only took about 1 1/2hr. I have to trim an electronics panel on the drivers side, which is no big deal, then modify the tub and then there will be plenty of clearance.
Free advice and worth every penny...
Factory trained Slinky rewinder.........
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i suggested that also and told my friend that is the better way for weight transfer but his car has new paint
