backspacing [Archive] - Chevelle Tech

: backspacing


724tim
Apr 24th, 06, 8:18 AM
i want to use the ls1 rear brake conversion on my 71 olds i already have
17x10 wheels on the rear with 4.75'' of backspacing will these clear the disc brake calipers or will i need to put in a wheel spacer

ezstriper
May 18th, 06, 8:35 AM
I am running seville rear calipers w/C5 18" wheels(massive back spacing) with 2" billet spacers...tons of room, Rob

Clint44
May 18th, 06, 2:54 PM
i want to use the ls1 rear brake conversion on my 71 olds i already have
17x10 wheels on the rear with 4.75'' of backspacing will these clear the disc brake calipers or will i need to put in a wheel spacer

Either your 71 Olds has a wider rear end than a 71 Chevelle or your car is jacked up to clear the tires & wheels. That wheel with that backspacing would cause major clearance problems on a 68-72 Chevelle/El Camino.

What diameter is the LS1 rear rotor? 12"? If so,you probably won't have clearance issues.

724tim
May 26th, 06, 1:07 PM
the rear end is the same as a chevelle 12 bolt gm the car is not jacked up it's actually lowerd in the front and the rear

philbay
May 27th, 06, 5:29 AM
I recently had a set of welds 15x10s with 4.5 that I thought would fit due to they were on a olds, a body 12 bolt,should fit right... NO>>>> it seems the wheel well opening is larger or rounder thus they fit the olds,not,I repeat,not a chevelle, need 5.5 bs,not 4.5,, Hey,anyone want a cheap set?