6066 (1960-1966) GMC Truck Club

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-   -   Power steering conversion questions (https://6066gmcclub.com/showthread.php?t=48521)

Snags December 5th, 2014 09:45 PM

Power steering conversion questions
 
I am going to convert my 1963 1500 V6 to power steering by using parts from a 1969-1987 1/2 ton GM truck and getting the gearbox adapter plate from Captainfab, CPP or some place like that. Here's a few questions for anyone who's willing to help:

1. Instead of going to the junkyard to get parts I'm thinking about just buying all re-manufactured parts from an auto store. Looks like I could get most everything for about $275 (not including the adapter plate). Anyone done it this way and have good recommendations for sources?

2. Is there a particular year between 69-87 that would be best to use parts from?

3. How do you mount a 69-87 power steering pump in a GMC V6? Do I need to fabricate a mounting bracket myself, or can you buy one or use one from a different vehicle?

4. I have a three-belt pulley on the crank because my truck has after-market AC and will use one of those grooves for the power steering. But my truck only has a one-belt pulley on the fan. Do I need to run the power steering belt over the crank AND the fan both, and therefore need to get a double pulley for the fan? Or can I just run the belt just off the crank and then to the power steering pump directly?

Thanks boys.
Randy

bigblockv6 December 5th, 2014 10:11 PM

Re: Power steering conversion questions
 
The best way to do this conversion is to use the power steering bracket from a 1967-69 GMC V6, the bracket was changed in 1967 to accept a newer style power steering pump, I'll try to post a pic of the one I have.

bigblockv6 December 6th, 2014 01:29 AM

Re: Power steering conversion questions
 
4 Attachment(s)
Here are pics of the 1967-69 V6 power steering bracket and two types of pumps. The pump with the skinny looking neck on the left was used on 67-69 V6's, 67-72 small block V8's and inline sixes. The other pump on the right was definitely the one used from 1973 on, both pumps fit the bracket.

Snags December 10th, 2014 06:23 AM

Re: Power steering conversion questions
 
Thanks, those pics are very helpful!

Can I use a pump and bracket from a '67 and hook that up to a gearbox from '69? It's my understanding that the '67 GMC still had the power assist ram style steering.


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