Mini tub with spring location on 70 duster

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rscottick

70 duster
Joined
Jan 20, 2013
Messages
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Location
waterford
ok guys I need help. I have a 70 duster stock a body 8 3/4 rear end width. The springs have been relocated to inside frame rails with the mopar minitub kit. My measurments come up with a 6 1/2 in backspacing on a 15x10 wheel. Is that correct and or what is the widest wheel tire combo i can get in there and what backspacing would i need.

Thanks.
Ron
 
That is what size wheel we run on Dad’s Duster. We ran a 28x14.50 Hoosier Quick Time Pro on a 10” wheel with 6.5” backspacing. The wheel well openings of the quarter panel have been opened up a bit to accommodate the 28” tall tire. Was very close to the front edge of wheel well opening before they were opened up.
 
my inner wheel tub is up against the frame rail, springs in rails, rear narrowed 1.25" each side. 15 X 12 wheels with 7.25 backspace
racecar rear.JPG
 
That is what size wheel we run on Dad’s Duster. We ran a 28x14.50 Hoosier Quick Time Pro on a 10” wheel with 6.5” backspacing. The wheel well openings of the quarter panel have been opened up a bit to accommodate the 28” tall tire. Was very close to the front edge of wheel well opening before they were opened up.
Thanks for the reply
 
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