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Old 11-02-2012, 09:33 PM   #16
68GMCCustom
Truck and auto performance nut
 
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Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
Re: Widest Rear Tire With Factory 12 Bolt?

My plan is replacing the 12 bolt with a stronger rear (Dana 60 or 9.5" 14 bolt) and narrow it by 1.5-2" per side w/mini tubs and 15x12's...then 315/60-15's will fit easily.

but for now...its factory 12 bolt with new Eaton posi and 3.73 gears
they're 15x10", 4.5"b.s., with MT ET Street radials in 315/60-15


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Kurt -

'68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy
'72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close
'06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD
'18 Kia Sorento - wife's econo-driver
'95 Chevy S10 - reg cab shortbed, LS, 4.3, auto...

my '68's powertrain and chassis build -links broken
A surprise phase - carb to efi -links broken
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