The only mopars with a quicker ratio gearbox were the 1970 71 aar and t a models but your chances of finding a unit in a salvage yard for these cars is almost zero.
Iroc steering box ratio.
A typical variable ratio box will feature an on center ratio of 16 1 that changes to 13 1 toward the end of the travel.
The steering box ratio is shown by an ink stamped two letter mark on the aluminum top cover near the lash adjust screw other numbers on the box do not tell the ratio.
The 12 to 1 ratio box was only used starting with the 1982 up z 28 and ta or iroc.
Wondering how the variable ratio works probably the way the gears are cut i assume and how the road feel will differ from that of a 14 1 constant ratio.
Just a note to let you know got gear back as promised.
Convert your slow ratio steering gearbox to a fast ratio 12 7 1 with a lifetime limited warranty.
Most people consider the ws6 constant ratio 14 1 to be the best box on a second gen.
And hydraulically tested to.
To get the stuff you need remove the high pressure hose from the back of the power steering pump it s the one with the big fitting.
Steering ratio 12 7 1 1 12 1 1 16 1 1 input shaft spline size 3 4 in.
1980 1992 camaro power steering gear box quick ratio 2 turn correct original fast quick ratio 2 turn power steering gearbox for your 80 92 camaro.
30 spline 1 steering box material cast iron 7 steering box finish.
The iroc box will need this higher pressure to operate correctly.
Fast ratio upgrades improve vehicle control making driving safer and more enjoyable.
Find chevrolet camaro iroc z steering boxes and get free shipping on orders over 99 at summit racing.
Variable ratio power steering now at 15 5 11 8 1.
Bench tested for running torque and play.
This part has been completely disassembled.
My 71 ss396 has the standard 71 ps box.
The iroc steering boxes run at higher pressures than the original 60 s camaro boxes approximately 1400 psi vs.
Variable ratio boxes generally don t offer faster ratios than fixed ratio boxes.
Bearing bushings seals replaced if applicable.
12 7 1 fast ratio steering gearbox conversions.