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08-17-2008, 10:51 PM
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#1 |
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Power steering ID
I need to ID this pump. It's got a 3/4in shaft with a press on pulley. The one listed for our trucks use a 5/8 shaft w/key (furthest in picture).
The keyed pump and pulley I have won't line up properly, but I think the other will line up when pressed on. Here are some pictures of the pulleys PN'# if that helps. The first is the one with the 5/8 w/key, the other is the press on 3/4. Thanks s/t   
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. 
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08-17-2008, 11:51 PM
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#2 |
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Msgt USAF Ret
  
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,717
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Re: Power steering ID
here is a copy/paste by Shane that I found on search.
Shane Von Dutch Lives! Join Date: Jun 2000 Location: Athens, Alabama Posts: 6,480 Re: Power steering pump help????? -------------------------------------------------------------------------------- there is absolutely NO difference in the pumps between a small block or a big block for our model trucks, the difference is in the brackets ONLY. early style (late 50's thru mid 60's) pumps had 3/4" in shafts with NO keyway and the pulleys were pressed on. later (mid 60's up) style pumps had a 1/8" keyway in the pulley ... unsure of shaft size, this was pretty much the standard pump until GM went to the serpentine pulley/belt system ... and some claim the only difference then was the pulley, I can't say. I have a ZOOP'S press on 3/4" shaft single groove pulley if you are interested, it is polished billet FORGED aluminum , not the Cheap Chinese cast version. Let me know if you're interested & I can get you a pic or two. __________________ Keep On Truckin' Shane __________________
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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08-20-2008, 09:23 PM
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#3 |
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Power steering ID
bump
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.
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08-20-2008, 11:26 PM
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#4 |
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huh ???
Join Date: Nov 2002
Location: Fredericksburg,Va.
Posts: 3,369
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Re: Power steering ID
The press on pully pump looks like a 73-up style pump...
Chuck
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90 Blazer Silverado 350w/ 700R4 and 32" Kelly's "I am a bomb technician. If you see me running try to keep up!" |
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