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Old 08-17-2003, 07:26 PM
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SBC High Volume Oil Pump

I'm using a stock oil pan (well, maybe slightly larger, it's chrome). I want to use a better than stock oil pump. High volume is 20-25% more I believe, this sounds good to me. And Summit Racing has just such a pump for stock pans, with included tack welded pickup. I also want something better than nylon for the intermediate shaft.

My local speed shop (I want the pump quickly) said the Melling high volume (still 20-25% more oil than stock) would suck my pan dry. Is this true??

I think my rebuilt 360 Chevy (likely .030 main bearings) with 224/236 cam and crack-prone heads could use all the oiling help it can get. Car is a 3rd gen Camaro, so stock size pan is it. Use a stock pump or can I make use of the high volume??

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Old 08-17-2003, 07:34 PM
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You only get pressure when a restriction in the line. If you are maintianing oil pressure thats normal going to a bigger pump will only draw more horpower from you ride than what you will get back. I vote for sticking to the stock pump. Chevies have a decent oiling system and modification really isn't a issue in most cases.
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Old 08-17-2003, 08:13 PM
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I agree with John, the SBC does not suffer from lack of oiling, at least in modified street engines.

Vince
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Old 08-17-2003, 08:23 PM
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Melling 55A is the pump you want, (old Z-28)
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Old 08-18-2003, 11:43 PM
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360Camaro.I was going to order that high vol. pump but I found out in one of the mags unless your racing itīs not needed.Also
the high vol. pump can put extra load on the distributor gear.
The stock vol. pump from Summit has welded on pickup and comes with new intermediate shaft,no nylon.
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