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Old Nov 8, 2009 | 11:25 PM
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alright so my understanding is that an ls2 water pump will fit on a ls1 and is lower profile. Does anyone know how the if aftermarket one from edelbrock compares in size. I need as much space as possible to fit a radiator on my miata.
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Old Nov 8, 2009 | 11:30 PM
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i dident know the ls2 pump will fit on the LS1 block, but im sure the people at the hybirds section on here can tell you 4 sure. goodluck with the swap man thats gonna be badass
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Old Nov 9, 2009 | 03:14 PM
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Alright thanks I will move it to the hybrids section.
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Old Nov 9, 2009 | 03:28 PM
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yes, the ls2 pump fits exactly on the ls1 block however my stat housing was different so i had to get a new 160 thermostat / housing . i dont know anything about the edelbrock h2o pump. gm stopped making the ls1 pump so i couldnt even order it. hope that helps.
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Old Nov 10, 2009 | 11:20 AM
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yeah im going to call edelbrock tomorrow and check the dimensions. According to the website it works on the ls1 and ls2. so I would assume its atleast as small as the ls2 pump otherwise it wouldnt fit both.

http://www.jegs.com/i/Edelbrock/350/8896/10002/-1
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