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Old 09-13-2004, 05:38 PM
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Unhappy Power steering pump hitting box

I am putting a 90 chevy 305 in my 67 chevelle with power steering and a factory serpentine belt setup. When I set the motor down the power steering pump hits the steering box and holds the motor up about 3/8 of and inch. It looks that I can shim the mounts. Is this a good idea? what type of clearance between the pump and box should I try to end up with? Is it better to shim both sides or just the one? and finally should I shim the mount off the motor or shim the tower on the frame.

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Old 09-14-2004, 05:31 PM
adtkart@aol.com
 
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I would look for some different mounting brackets to relocate the pump. You want to make sure that you have plenty of clearance, so the pump doesn't get damaged.
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Old 09-14-2004, 07:28 PM
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When I installed the engine and serp belt setup on my 69, the p/s pulley was VERY close to one of the steering box bolts, due to how low the pump is in relation to the older style bracket system.

I am using a 4 rib non a/c setup from an 89 1/2 ton truck, and noticed the p/s pulley is quite large in diameter.

Now....if you were to drop into an auto wrecker, you would likely find a 1995-up model GM car with a 3.1 V6. These have a nice small composite p/s pulley that you could use on your pump, and may give you adequate clearance to the box. I have one of these pulleys in my garage, just haven't gotten around to installing it yet.

You'll need to borrow/buy a p/s pump pulley puller & installer to get the job done though.

HTH
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Old 11-13-2004, 06:40 AM
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Thanks guys I keep running into things like this but it is still to best hobby in the world
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Old 11-15-2004, 02:48 PM
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Why not use a short pump belt system from march or others. Money though
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Old 11-15-2004, 06:28 PM
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I thought about the march system but the cost is just crazy in my opinion. So I need to try shimming the mounts or something. I was mainly looking for how much clearance is good.

thanks
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Old 11-15-2004, 09:38 PM
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I've got about 1/4" clearance with the shaved bolt only, still haven't got the small pulley installed.

That side lifts under throttle, no worry about torquing it onto the bolt.

Don
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Old 11-16-2004, 04:29 PM
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Thanks Don, i never even thought about the fact that it would lift on acceleration. that is good to know

tom
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