Power steering pump big block question

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Nov 25, 2016 | 02:30 PM

Bandit54

Thread Starter

Burning Brakes

Joined: Jan 2013

Posts: 753

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From: Barnhart, Missouri

Power steering pump big block question

What is the difference between a big block power steering pump on a 68 and a small block power steering pump? NCRS judging guide list a difference. Assembly manual only shows one power steering pump used. I know the assembly manual shows different pulleys depending on which big block is used. I have the L71 427/435. Any pictures on references would be appreciated.

Nov 25, 2016 | 03:20 PM

Alan 71

Team Owner

Joined: Sep 2006

Posts: 31,335

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From: Westminster Maryland

Hi B,
?
The 71 AIM shows the same part number for the pump, but different brackets/pulleys for a sb or bb installation.
I looked at the 68-69 TIM&JG too and see that a difference in the configuration of the sb pump and bb pump is described. It seems to have to do with the shape of the neck and how/where its attached to the body of the pump.
Again ?
Regards,
Alan

Nov 25, 2016 | 05:56 PM

Bandit54

Thread Starter

Burning Brakes

Joined: Jan 2013

Posts: 753

Likes: 111

From: Barnhart, Missouri

Quote:

Originally Posted by Alan 71

Alan, you come up with the same understanding that I have. Also the GM parts manual that I have only list one part number for the power steering pump for the 68. I am confused, I'm trying to find pictures of pumps to see if there is a difference.
Thanks for the feed back.

Nov 25, 2016 | 06:31 PM

DUB

Race Director

Joined: Apr 2009

Posts: 19,294

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From: Charlotte NC

Why not contact NCRS and have them tell you what they feel is the difference in a part that appears to not be different due to one part number listed.

DUB

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