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#1 |
Senior Moment
![]() Join Date: Mar 2002
Location: Pittsburg Ca
Posts: 4,139
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Big Block water pump ?????
I'm building a 454 and waht to use the short water pump.
My ? is, will a 70 chevelle 454 have a short pump and will it work. My son works at Auto Zone and they have a 70 chevelle 454 water pump for $24.99. If you look up a pump for a 72 402 in a PU is $85.99. HELP
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1970 CST LS 1 6 speed Ford 9 inch Detroit Tru Track, Dakota Didgital, Vintage Air, QA1 Coil Overs Front & Rear Lots of FUN 2013 GMC PU, Oldest Son 71 GMC LWB. QA1 Suspension, Angry SB. Youngest Son 2019 GMC Diesil Dually. Youngest Son 2017 Toyota SUV Daughters car 2018 Traverse , Wife’s Ride Pittsburg Ca 94565 |
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#2 |
Senior Member
![]() Join Date: Sep 2001
Location: Seattle, WA, USA
Posts: 5,817
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I may be out to lunch (since I don't own a BB) but I thought the water pumps were all the same for SB and BB? In that case it all depends on whether or not you want a short one, a long one, accessory driven vs. electrical, and what quality.
I believe the long water pumps didn't start showing up until the mid to late '70s. Someone correct me if I'm wrong... I'd never go for cheapest pump in my opinion. I equate it to buying a used radiator, or a cheap fuel pump. I'd always go with something proven, and what will work best for my application. If your water pump goes it'll overheat your engine quick...you don't want to end up spending $2000 for the chance to test a $24.99 pump...
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'69 3/4 ton C20 2wd-350ci/TH400 '69 3/4 ton Custom 20 2wd-350ci/4sp Manual '99 2wd 5.7 Chevy Tahoe Seattle, WA. Last edited by COBALT; 03-08-2004 at 05:28 PM. |
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#3 |
Senior Member
Join Date: Jan 2000
Location: Cincinnati, Ohio
Posts: 1,492
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SB & BB waterpumps are not the same. BB is on steroids.
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#4 |
Senior Member
![]() Join Date: Sep 2001
Location: Seattle, WA, USA
Posts: 5,817
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gotcha...I am nuts.
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'69 3/4 ton C20 2wd-350ci/TH400 '69 3/4 ton Custom 20 2wd-350ci/4sp Manual '99 2wd 5.7 Chevy Tahoe Seattle, WA. |
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#5 |
Senior Moment
![]() Join Date: Mar 2002
Location: Pittsburg Ca
Posts: 4,139
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They are both new pumps just differant applcation.
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1970 CST LS 1 6 speed Ford 9 inch Detroit Tru Track, Dakota Didgital, Vintage Air, QA1 Coil Overs Front & Rear Lots of FUN 2013 GMC PU, Oldest Son 71 GMC LWB. QA1 Suspension, Angry SB. Youngest Son 2019 GMC Diesil Dually. Youngest Son 2017 Toyota SUV Daughters car 2018 Traverse , Wife’s Ride Pittsburg Ca 94565 Last edited by 1970 CST Short Wide; 03-08-2004 at 07:25 PM. |
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#6 |
Registered User
Join Date: Feb 2004
Location: WHITEVILLE N.C.
Posts: 494
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A 70 chevelle 454 would have a long water pump. I think they
started in 69 with the alternator on the passenger side. None of the accesssories ps,ac and alternator brackets are the same on a long vs short water pump set up. Also most of the pullies are different.. I also agree with the others don't get cheap when it comes to a water pump. BB chevy's cost way too much to ruin over few $$$'s. Hope this helps.
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72 CHEYENNE 10 SUPER 468/400/3.73 |
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#7 |
Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Any short water pump that fits a 402 will fit a 454-502-396.
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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#8 |
Senior Member
![]() Join Date: Jan 2002
Location: PORT NECHES, TEXAS / USA
Posts: 1,666
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I just went through this last week. I bought a rebuilt pump from napa store for about 33.00. They were the only people that still stocks a rebuilt water pump. I have the part number in shop if you need it. I have a 71 402 chevy. Which is a short pump.
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