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Old 07-04-2005, 09:13 AM
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Water pump. Long or Short

I am putting a new 350ci crate motor in a 68 EL Camino. I need a water pump but am not sure if I should buy a Long or Short pump. It will have A/C? Any help would be great.

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Old 07-04-2005, 09:32 AM
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water pumps

Most 350s take the long water pump. Corvettes use the short pump. Rule of thumb is if the alternator is on the passenger side you use a long pump. If its on the drivers side you use a short pump.
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Old 07-04-2005, 01:01 PM
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all sbc's used the short pump thru 69 except the 67 and 68 camaro and your camino didn't get a 350 so check your block casting numbers and the engine code and o to www.mortec.com or post them here and someone will tell you.
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Old 07-04-2005, 06:16 PM
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The length of pump is determined by the pulleys, spacers, and brackets you have so the belts will line up. If you are space limited in the front of the motor, then you may have to use the short pump and appropriate pulleys, spacers, and brackets. Also, all these have to match the accessories you are going to drive off the belts.

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Old 07-04-2005, 06:22 PM
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Stock 68s had the short pump with the alternator on the drivers side. Starying in 69, they changed to the long pumps with the alternator on the passenger side.
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Old 07-04-2005, 07:09 PM
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This article give the info on water-pumps.
http://www.chevyhiperformance.com/techarticles/49718/


FYI for the size:
Short-Style Pump for most 1955-72 cars and trucks (5/8" pilot shaft)
Short-Style Pump for 1971-82 Corvettes (3/4" pilot shaft)
Dimension from block surface to hub: 5-5/8".

Long-Style Pump Dimension from block surface to hub: 6-15/16".

Place to check for price.
http://www.sallee-chevrolet.com/Edelbrock/wpsb.html
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