15 X 5 I THINK ITS 3.5" BACK SPACING, AND THE 15X12 5.5" BACK SPACING. THEY DO MAKE A 6.5 AND A 7.5 INCH BACK SPACING, BUT I CANT REMEMBER THE MAX SPACING ON THE OLDER BODY STYLE. I HAD A 91 STEP SIDE WITH DRAG LITES ON IT MANY YRS. AGO.
I WOULD MEASURE THE REAR AND TUCK THE FATEST TIRE YOU CAN UNDER THERE WITHOUT HITTING THE SUSPENSION, B/C I KNOW YOU ARE GOING TO NEED THE TRACTION.
I AM GOING A 16 X 12 AND SOME STICKY MICKY'S ON THE BLACK TERD.
JAMEST
12 Sec. Club! SOLD
La Viuda negra/ a.k.a. Black Betty
LQ4 6.0L, WCCH HEADS, LEVEL 5 FLT 4L80E TRANS. WITH TRANS BREAK, YANK 3200 STALL, TRICK TURBO, TURBONETICS T-76 TURBO, CUSTOM INTERCOOLED, 68lb INJECTORS, CUSTOM S/D TUNE FROM NELSON PERFORMANCE, COMP CAM 212/214 .557/.559 116+2, SNOW METH. KIT, . ALL INSTALLED AND DYNOED AT NELSON PERFORMANCE: 5**?HP @ 5073rpms and 5**TQ @ 4389rpms AT THE WHEELS WITH 10 PSI OF BOOST. ALL 3/4 TON TRUCK 5435LBS, NOTHING TAKEN OFF, STREET TIRES, AND USUALLY 2 BABY SEATS. WANNA RIDE?
SOLD***
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