High volume oil pump questions.
05-04-2011, 08:00 PM
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High volume oil pump questions.
I purchased a GM high volume oil pump from summit for my 383 build and have decided i don't need high volume .Can I just replace the spring to lower the volume or does replacing the spring only affect the oil pressure?
05-04-2011, 08:19 PM
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Car: 1992 z28 Purple Haze
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Axle/Gears: 3.23 both spinning
Re: High volume oil pump questions.
I think the volume comes from the size of the passages, not the spring. If you got it from Summit, they should swap it with no issues if you choose to go that route.
05-04-2011, 08:26 PM
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Car: 1992 Camaro RS
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Re: High volume oil pump questions.
Yes, the spring only controls the pressure. To change the volume, you need to swap the pump.
05-04-2011, 08:37 PM
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Re: High volume oil pump questions.
Thanks for the fast replies guys,I think I'll just exchange it for different pump.
05-04-2011, 08:59 PM
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Car: Bone stock 1989 Iroc T-Top,1991 Z28
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Re: High volume oil pump questions.
Most builds do not require a HV pump. When using a HV pump you need a higher capacity pan. A friend of mine replaced his stock pump with a HV pump and starved the engine of oil at higher rpm's with a standard volume pan.
05-04-2011, 09:52 PM
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Re: High volume oil pump questions.
i have a big block pump with a 5 qt oil pan and havent run into problems over the several thousand miles ive used that set up.
pick thru this thread...
https://www.thirdgen.org/forums/tech...ml#post4890948
towards the bottom Aperion explains how and why it wont...
notice the citation of November 2009 Car Craft. thumb thru that issue or better yet, view it online
http://www.carcraft.com/techarticles...NTERSTITIAL_15
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