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#11 | |
![]() Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,385
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I did a little research on this matter of the 2 part numbers, 252-703 and 251-561. Appears it is an old subject of confusion. Here's what I found, (below)with a letter from AC Delco detailing the difference.
Summary of my research is as follows; "old" Delco #251-561 is phased out by "new" Delco #252-703. Same pump, different supplier to Delco. GM #10159599 is Delco unit with casting #10135833. It has also appeared with GM #10135875 on Delco box label, same casting number, brand new, no gasket. Bottom line: no difference in pumps, all of the above are brand new units made by/for Delco for the LT5 only. No remans by Delco or GM. FWIW, GM discontinued the #10159599 water pump 3/07. There are 3 left in dealership inventory around the country and the price quoted to me was $600 & some change. Quote:
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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#12 |
![]() Join Date: Nov 2006
Location: DeBary , Fl.
Posts: 119
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In view of all this has anyone experimented with electric water pumps on ZR-1s?? Seems like a great way to save HP and grief!!
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Gene in Fl. :handshak: ______________ 95 ZR-1 #399 Dunn heads X-pipe w/3" misc. mods |
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#13 | |
Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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#14 | |
![]() Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,385
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Hopefully we can get to the bottom of issues like this wish some valid supporting documents. I seized on the letter from ACDelco as being that kind of supporting info.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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#15 |
Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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sorry , guess if he hadnt gone off on jeff first , i would not have responded the way i did . i know jeff to be a honest caring guy that freely helps us all . it just my up bringing .army ranger DI dad as well as me .didnt mean to offend anyone . jim might though be a little less agressive with his comments also. bottem line WE ALL LOVE THESE CARS. give each other a little slack and a little kindness . it goes a long way.................
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#16 |
![]() Join Date: Dec 2003
Location: McHenry, Il.
Posts: 6,607
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we are all "Brothers of the Beast"
my fav new saying
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http://i119.photobucket.com/albums/o...9mcw/SIG-2.jpg http://i119.photobucket.com/albums/o128/wb9mcw/vcm.gif "The Budget should be balanced, the Treasury should be refilled, public debt should be reduced, the arrogance of officialdom should be tempered and controlled, and the assistance to foreign lands should be curtailed, lest Rome will become bankrupt. People must again learn to work instead of living on public assistance." - Cicero, 55 BC " We the people are the rightful masters of both Congress and the courts, not to overthrow the Constitution but to overthrow the men who pervert the Constitution." - Abraham Lincoln |
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#17 |
Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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I agree whole heartedly!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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#18 |
Join Date: Aug 2005
Location: San Fernando Valley, CA.
Posts: 896
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Electric water pump may be a pain, and the expense to get someone to make it. It only uses what, 14 bolts? It would have to be machined perfectly as other things bolt to/through it also. Not a bad idea though
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1990 ZR1, 142,000 miles-Black on black 4.09's Haibeck chip, 3"exh, K&N, meth inj. |
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#19 | |
![]() Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,385
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![]() Hope to meet you some time & share a pitcher or two. ![]() Take care, Jerry
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. Last edited by A26B; 09-05-2007 at 11:42 PM. |
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#20 |
Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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I hope we can get together too one day corey tells me your a hell of a guy . i also love that lsv of yours . if i had it id proably sleep in it. Have agreat memorial day!
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