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MOVING AXLE BACK #217158
02/07/09 09:01 PM
02/07/09 09:01 PM
Joined: May 2004
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robin hood country
deaks Offline OP
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I'm just fitting a Dana in my Dart and just wondered if i should move it back a little to gain a touch more clearance on the front of the wheel arch. I've got to have a new propshaft made and will have to make and fit new front spring hangers. I'm thinking around 1/2" so's not to push the angle of the shackles back to far.
Is this plausible and who has done it.
Mike


69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
Re: MOVING AXLE BACK [Re: deaks] #217159
02/07/09 09:03 PM
02/07/09 09:03 PM
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Plymouth Meeting, PA
bigtimeauto Offline
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mine is back 1" (but I have ladder bars now)
You can leave the springs where they are and redrill the spring perch to move it back your desired amount.


BB, TT5,Procharged 3300lb Street Car 4.79/154
Re: MOVING AXLE BACK [Re: deaks] #217160
02/07/09 09:07 PM
02/07/09 09:07 PM
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Romeo MI
MR_P_BODY Offline
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Put a spacer in front of the spring hanger, 1/2" alum.
I hope your drive shaft was a touch long

Re: MOVING AXLE BACK [Re: bigtimeauto] #217161
02/07/09 09:09 PM
02/07/09 09:09 PM
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robin hood country
deaks Offline OP
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The car sits a little high at the back, at present, there's around 1" clearance from the front of the tyre to the wheel arch, as it is, i'm thinking if i lower it down it might rub unless i push it back a touch, what's the most i could realistically get away with. The springs are already moved into the rails.
Mr P, I'm having a new driveshaft made.


69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
Re: MOVING AXLE BACK [Re: deaks] #217162
02/07/09 09:47 PM
02/07/09 09:47 PM
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California, USA
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Phil Saran Offline
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Would it be a bit easier to just trim the
leading edge of the rear wheel well openings?


Phil Saran Parker, Colorado
Re: MOVING AXLE BACK [Re: deaks] #217163
02/07/09 09:49 PM
02/07/09 09:49 PM
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W. Kentucky
justinp61 Offline
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I moved the rear end back 1/2" on my 69 Dart, also lowered it 3/4".

Re: MOVING AXLE BACK [Re: Phil Saran] #217164
02/07/09 09:52 PM
02/07/09 09:52 PM
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gulfport, ms, west mi
rowin4 Offline
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That dana sticks out a little more out back, do you have room to clear the fuel tank?



it's ok to butt heads, just don't do it with a butthead
Re: MOVING AXLE BACK [Re: rowin4] #217165
02/07/09 10:15 PM
02/07/09 10:15 PM
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Mt. Vernon, Ohio
dartman366 Offline
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I set mine back 1.5 inches to gain tire clearance in the front of the wheel arch,also give yourself enought to compensate for tire growth at higher speed's.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: MOVING AXLE BACK [Re: dartman366] #217166
02/07/09 10:43 PM
02/07/09 10:43 PM
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Posts: 20,644
So Near, Yet So Far
topside Online content
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Me, I want as much rear overhang (weight bias) as possible.
I'd cut the front wheel lip.
It'll also give the car better visual proportions, if aesthetics matter.
The front yoke of the driveshaft should have as much support (spline engagement) without bottoming out as you can give it.
That said, I moved the rearend back 1/2" on my Duster street car to fit big tires; made some spacers that I slid between the ft hangers and their chassis brackets.

Re: MOVING AXLE BACK [Re: topside] #217167
02/08/09 09:00 AM
02/08/09 09:00 AM
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NJ central
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Scamp408 Offline
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I move mine back 1in no diff in et but thats me.

Re: MOVING AXLE BACK [Re: Scamp408] #217168
02/08/09 09:21 AM
02/08/09 09:21 AM
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robin hood country
deaks Offline OP
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I dont want to cut the lip because i've not long had a nice paint job, also everything is out at the moment anyway, ready for the new axle, the front hangers were not made by me, and only have a single hole, so i might make new hangers, move the hole back and raise it up a little, also add another hole at the same time. My main worry is the angle of the rear shackles, with the old axle the bottoms point slightly to the rear, obviously, if the axle is pushed back then the shackles will move back more.
Can it be done by redrilling the perches?.
Rowin
The car has a fuel cell, so no problems with clearance.


69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
Re: MOVING AXLE BACK [Re: deaks] #217169
02/08/09 11:59 AM
02/08/09 11:59 AM
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malvern, ohio
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3ddart Offline
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malvern, ohio
not to highjack the post, but what about moving the pearch forward, shorting the front spring segment,has anyone ever done that? i'm running ss springs in an a body and i got carried away when i opened up my wheel wells and would like to close the gap a little at the front of the tire. my concern is if this would affect the spring rate etc adversely with a shorter front segment. any opinions? dave

Re: MOVING AXLE BACK [Re: deaks] #217170
02/08/09 12:32 PM
02/08/09 12:32 PM
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Posts: 2,646
Plymouth Meeting, PA
bigtimeauto Offline
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Quote:


Can it be done by redrilling the perches?.
Rowin
The car has a fuel cell, so no problems with clearance.




Quote:

mine is back 1" (but I have ladder bars now)
You can leave the springs where they are and redrill the spring perch to move it back your desired amount.




BB, TT5,Procharged 3300lb Street Car 4.79/154
Re: MOVING AXLE BACK [Re: 3ddart] #217171
02/08/09 12:50 PM
02/08/09 12:50 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Quote:

not to highjack the post, but what about moving the pearch forward, shorting the front spring segment,has anyone ever done that? i'm running ss springs in an a body and i got carried away when i opened up my wheel wells and would like to close the gap a little at the front of the tire. my concern is if this would affect the spring rate etc adversely with a shorter front segment. any opinions? dave




The front segment ISNT the spring, the rear is, so
if you move the axle on the spring(forward) you will
change the height of the car(slightly) because of the
leverage on it. If you just move the axle and spring
forward you arent changing anything except putting
more weight on the tail of the spring so again you
might see it drop slightly.
The rear shackle angle should be 30* from verticle
(bottom to the rear)

Re: MOVING AXLE BACK [Re: Phil Saran] #217172
02/08/09 12:59 PM
02/08/09 12:59 PM
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Oakland, MI
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dizuster Offline
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Quote:

Would it be a bit easier to just trim the
leading edge of the rear wheel well openings?




No, moving the axle back a little is way easier then cutting the wheel opening...well depending how nice you want it...

Mine is moved back 1" for tire clearance, if anything on a duster it asthetically looks better if you ask me. It looks more centered in the wheel well opening now...

Front

5009835-tire3small.JPG (128 downloads)
Re: MOVING AXLE BACK [Re: dizuster] #217173
02/08/09 12:59 PM
02/08/09 12:59 PM
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Oakland, MI
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dizuster Offline
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rear...

5009837-tire4small.JPG (154 downloads)
Re: MOVING AXLE BACK [Re: dizuster] #217174
02/08/09 01:00 PM
02/08/09 01:00 PM
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Oakland, MI
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dizuster Offline
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side 1 (sorry no true side shots)

5009840-tire1small.JPG (176 downloads)
Re: MOVING AXLE BACK [Re: dizuster] #217175
02/08/09 01:01 PM
02/08/09 01:01 PM
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Oakland, MI
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dizuster Offline
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side 2

5009842-tire2small.JPG (165 downloads)
Re: MOVING AXLE BACK [Re: dizuster] #217176
02/08/09 01:14 PM
02/08/09 01:14 PM
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Bend,OR USA
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Cab_Burge Offline
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I moved mine forward one inch to center the wheels and tires in the center of the wheelwells and make the appearancs more appealing That was after movig the the front lip forward three inches and the rears back two inches, get out your stretching machines and go for it

5009889-MVC-045S.JPG (151 downloads)
Last edited by Cab_Burge; 02/08/09 01:14 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: MOVING AXLE BACK [Re: Cab_Burge] #217177
02/08/09 01:20 PM
02/08/09 01:20 PM
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Posts: 4,002
Joplin, Mo
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rt66jim Offline
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Joplin, Mo
Cab, very nice looking Duster. Jim

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