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Re: [GMCnet] High volume oil pumps [message #246130 is a reply to message #246120] Wed, 02 April 2014 02:22 Go to previous messageGo to previous message
ljdavick is currently offline  ljdavick   United States
Messages: 3548
Registered: March 2007
Location: Fremont, CA
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Isn't that good insurance for an old engine? To my mind the difference is insufficient oil up top as opposed to oil recirculating via the bypass valve. The recirculated oil does little harm except for a horsepower or two.

Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, CA

> On Apr 1, 2014, at 8:18 PM, Jeff Marten <jtmarten@msn.com> wrote:
>
> Where does the oil spray originate? Are you inferring filling the pan with an excess volume of oil, and thereby using the crank to splash oil around??? (terrible idea if so) Or installing spray nozzles so the extra volume of oil pumped is utilized?
> A high volume oil pump does nothing but bypass more oil than a standard pump if the bearing clearances aren't set to utilize the extra volume of oil. Clearances at X" will only flow X volume of oil, nothing more; the additional pump volume will just be bypassed.
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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
 
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