Rat 427

I am looking to sell my 88 Iroc wheels and replace them with some Centerline aluminum wheels. I still want the 16x8 size (had 17x9.5 and didn't like them) What I need to know is what the factory offset is on the front and rear wheels so I can proberly match them to the car.

Thanks.

Bruce

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When the green flag drops, the bull%#$@ stops.

1979 Z28 w/427 Street/Strip car
1988 Iroc Convertible

doc

On my '87 IROCZ, the front wheel backspacing is 4.3" and the rears are 5.0".


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'87 L98 TPI IROCZ, AFR190 heads, 3.70 gears, ZZ9 cam, 2400 Art Carr TC, SLP 1 3/4" headers, SLP cat-back, no cat, no AC, no MAF screens, Accel manifold base & SuperRam, 24#/hr SVO injectors, Edelbrock double roller timing chain, MSD ext coil & distributor, trans cooler, 52mm TB with airfoil, TB coolant bypass, AFPR(58psi), K&N filters, Hotchkis lowering springs, my custom chip, Lay Ind. ram air kit, SS Brakes 1LE upgrade 12" rotors dual piston calipers, 265/45R16 Kumho V700 tires.
ET 13.39sec @ 107.21mph
'90 Eagle Talon AWD, no rust thru 9 winters
'99 Camaro SS, red, 6-spd, T-tops, Mcleod clutch, Pro 5.0 shifter, MAF processor, Direct Flow airlid, K&N filter, next mod: 4.10 rear gears
313.7Hp & 320.6ft-lbf, ET 13.55sec @ 105.1mph