CPP 500 Steering box - Impala Tech
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post #1 of 2 (permalink) Old 09-28-2018, 12:53 PM Thread Starter
Join Date: Sep 2017
Location: Duncan, BC, Canada
Posts: 11
CPP 500 Steering box

Just another question for the group. Has anyone installed the CPP 500 or Borgeson Street & Performance Series box in their car? I'm looking to tighen up the steering response in my 68 so I plan to go through the links and replace the box to get an nicer drive. I'm wondering if anyone has done this and what if any issues they encountered.

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post #2 of 2 (permalink) Old 09-28-2018, 03:14 PM
Join Date: Jan 2006
Posts: 12,488
Read this article first:


Perhaps the greatest legacy that GM has handed down to car crafters is interchangeability. For this story, that means many of the steering boxes used in various body styles as late as the ’90s can be retrofitted into classic ’60s cars.
Please note this caveat:

The Borgeson CPP 500 box is just a rebuilt stock Saginaw that they find in the bone yards same as you would. Only difference is while the box is apart they adjust the internal stops to match the car that you have.

In the application chart, you can see the WS and XH boxes (among others) offer an excellent 12.7:1 fixed ratio. What is not so good for A-Body, early Camaro, and Nova owners is the third-gen Camaro box’s limited 64- to 70-degree pitman arm sweep. Compared with a stock Chevelle/Camaro/Nova movement of 87 degrees, this means that bolting in an ’89 Camaro steering box drastically reduces the early car’s turning radius.
Big Dave
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