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Old 07-09-2010, 11:25 PM   #1
Slick67
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Truck P/S Bracket?

Quick question. Is this a power steering bracket from a 71-72 Chevy truck? If so why won't my belts line up? I purchased the correct power steering pump and the pulley fits correctly so it must be a bracket issue I'm guessing??? I am doing a conversion on a 67 with a 327, maybe the pulley should be cone shaped?
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Old 07-09-2010, 11:42 PM   #2
GASoline71
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Re: Truck P/S Bracket?

I'm at work until 10:30 PST. When I get home I can take a pic of my 1972 GMC P/S pump and bracket. Also the pulleys... engine is a 350.

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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
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Old 07-09-2010, 11:47 PM   #3
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Re: Truck P/S Bracket?

IIRC the pulley should have 2 to 3 inches of dish to push the belt out from the pump.
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Old 07-10-2010, 12:00 AM   #4
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Re: Truck P/S Bracket?

I think the pulleys for AC and non/AC trucks are different. I'm dealing with this issue myself.
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Old 07-10-2010, 01:03 AM   #5
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Re: Truck P/S Bracket?

Most of the time when you buy water pumps from auto zone they don't have the flange pressed on correctly. That throws your pulleys out of alignment. This happened to me last year.
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Old 07-10-2010, 01:23 AM   #6
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Re: Truck P/S Bracket?

Quote:
Originally Posted by GASoline71 View Post
I'm at work until 10:30 PST. When I get home I can take a pic of my 1972 GMC P/S pump and bracket. Also the pulleys... engine is a 350.

Gary
Thanks Gary, I appreciate that.

Quote:
Originally Posted by 71swb4x4 View Post
IIRC the pulley should have 2 to 3 inches of dish to push the belt out from the pump.
The pulley is straight, and is out too far it needs to be closer to the body of the pump. Maybe a pulley with a slight dish inward?

Quote:
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I think the pulleys for AC and non/AC trucks are different. I'm dealing with this issue myself.
My truck was a factory ac truck so this could be a cause. I am not sure what the ps setup is off of. My buddy bought it off of ebay 7 years ago when he owned the truck but he can't remember what exactly it was from. Keep an eye on this thread and maybe it'll help you out too!

Quote:
Originally Posted by KrazyRay View Post
Most of the time when you buy water pumps from auto zone they don't have the flange pressed on correctly. That throws your pulleys out of alignment. This happened to me last year.
Sounds feasable, but the body of the ps pump is long and the shaft is only about an inch and a half with the threads. This is what leads me to beleive the bracket could be off of a Chevy van, newer Chevy truck or something else. It is about half an inch out of alignment and everything looks correct on the pump, this is what makes me think it's the bracket.
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Last edited by Slick67; 07-10-2010 at 01:27 AM.
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Old 07-10-2010, 11:47 AM   #7
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Re: Truck P/S Bracket?

ttt
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Old 07-10-2010, 02:17 PM   #8
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Re: Truck P/S Bracket?

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Originally Posted by Slick67 View Post
Thanks Gary, I appreciate that.
Sorry that I'm a little tardy getting these up for you. I worked 2 hours of overtime last night. Didn't get home till almost 1am.

Here ya go...

Also you can see my front soft plug is leaking... GRRRRRR... wish there was an easy fix...

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
Quote:
Originally Posted by cableguy0 View Post
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.

Last edited by GASoline71; 07-10-2010 at 02:20 PM.
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Old 07-10-2010, 03:41 PM   #9
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Re: Truck P/S Bracket?

Thanks!!!! That bracket is definitely different from mine it is flush against the block, unlike mine. This is probably the issue. Now to buy one and powdercoat it to make it look nice and shiney! Thanks C20 and Gasoline!!!
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Old 07-10-2010, 11:50 AM   #10
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Re: Truck P/S Bracket?

all of the ps pulleys I have ever seen are straight with no dish.....really think it's a bracket issue.
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Old 07-10-2010, 12:01 PM   #11
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Lightbulb Re: Truck P/S Bracket?

Okay these are off my '72 Pickup.

While not the best pics they might help a little.

Good luck!
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Old 07-10-2010, 04:50 PM   #12
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Re: Truck P/S Bracket?

YIKES!

Next to GASoline71's, mine looks terrible!

Oh well it will be nice and clean one of these days.

Just hope it helped between the two of these pics.
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Old 07-10-2010, 05:25 PM   #13
GASoline71
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Re: Truck P/S Bracket?

Quote:
Originally Posted by C20-67_N_MO View Post
YIKES!

Next to GASoline71's, mine looks terrible!

Oh well it will be nice and clean one of these days.

Just hope it helped between the two of these pics.


Mine is actually "dirty"...

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
Quote:
Originally Posted by cableguy0 View Post
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 07-10-2010, 07:05 PM   #14
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Cool Re: Truck P/S Bracket?

Quote:
Originally Posted by GASoline71 View Post


Mine is actually "dirty"...

Gary
In your third pic, it looks like I see some coolant in that freeze plug.

Hope your not leaking!!!
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Old 07-10-2010, 09:44 PM   #15
GASoline71
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Re: Truck P/S Bracket?

It started seeping about 6 months ago... sucks bigtime. first time I have ever had a freeze plug leak on an engine I have built. I would have to pull the steering pump out to get to it. Thought about some sort of sealer like "aluma-seal" but not sure if that would even work...

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
Quote:
Originally Posted by cableguy0 View Post
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.

Last edited by GASoline71; 07-10-2010 at 09:45 PM.
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Old 07-16-2010, 10:59 AM   #16
Slick67
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Re: Truck P/S Bracket?

Ok, here we go again. I purchased an OE factory P/S bracket, $82 after tax, and it STILL does not line up with the other pulleys. Looks like I have one of maybe two options.

1. I could put on a coned pulley and that may get it back that extra 3/4 of and inch but I can only find multiple belt pulleys.

2. I have a 2 peice crank pulley that I could put washers in between them and it would move the outer most pulley forward.

Any other ideas?!?!?!?!?
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Old 07-16-2010, 11:07 AM   #17
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Re: Truck P/S Bracket?

Got a pic?
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Old 07-16-2010, 03:06 PM   #18
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Re: Truck P/S Bracket?

here are some pics in progress on my conversion. all the parts and pulleys were purchased on d'bay. my water pump and crank pulley line up good. my alt. is about a belt width off, as well as the ps pump is about a belt width too. i seem to have enough wiggle room to shim both into position.






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Old 07-16-2010, 03:39 PM   #19
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Re: Truck P/S Bracket?

That bracket looks different then the stock one I pulled off of mine. Pulley doesn't look that far off in your pics, but probably off enough to throw the belt. I'm running an Alan Grove PS pump bracket and a pulley from Summit. My pulley sits in too close, it's running on the middle groove of the crank pulley.
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Old 07-18-2010, 01:53 AM   #20
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Re: Truck P/S Bracket?

I purchased the 2 groove pulley and it is coned a little so I'll try that tomorrow. I like those alluminuminum pulleys, may go that route later.
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