Just getting around to posting a BIG thanks to all who have posted their experience with the IROC box upgrade. And an especially HUGE thank you to Brian Lewis who documented all the part numbers and phone numbers for Lee Manufacturing.
I installed the new box about 3 months ago and just got the car back on the road in the past week or so. The steering is like night & day over my nearly 40 year old original box. The feel at the steering wheel is firm and the car is much more responsive.
The upgrade was extremely easy and very gratifying. I did not encounter any problems with the upgrade. The toughest part was likely removing the pitman arm nut and even that went well. I timed the install along with a new set of headers, so they were out of the car whle working on the steering box. Clutch linkage was out also. After installing box, I filled P/S res and ran motor, turning wheels slow while front end was raised. System bled in a few mins.
Here's a list of the costs incurred.
New fast ratio box (from Kragen) = $150
Lee Manufacturing rag joint & fittings = $85
Moog pitman arm (from Summit) $65
Had paint & fluid on hand (repainted box)
The car does seem to need a small allignment & I did need to adjust my stering wheel (is now back on center with the steering shaft mark like it should be). I'm going to wait until I install new sub-frame bushings and possibly install poly control arm bushings before I have it alligned.
Great upgrade & I would highly recommend!
I installed the new box about 3 months ago and just got the car back on the road in the past week or so. The steering is like night & day over my nearly 40 year old original box. The feel at the steering wheel is firm and the car is much more responsive.
The upgrade was extremely easy and very gratifying. I did not encounter any problems with the upgrade. The toughest part was likely removing the pitman arm nut and even that went well. I timed the install along with a new set of headers, so they were out of the car whle working on the steering box. Clutch linkage was out also. After installing box, I filled P/S res and ran motor, turning wheels slow while front end was raised. System bled in a few mins.
Here's a list of the costs incurred.
New fast ratio box (from Kragen) = $150
Lee Manufacturing rag joint & fittings = $85
Moog pitman arm (from Summit) $65
Had paint & fluid on hand (repainted box)
The car does seem to need a small allignment & I did need to adjust my stering wheel (is now back on center with the steering shaft mark like it should be). I'm going to wait until I install new sub-frame bushings and possibly install poly control arm bushings before I have it alligned.
Great upgrade & I would highly recommend!