Regular or high volume oil pump advise needed
Thread Starter
Melting Slicks
Joined: May 2005
Posts: 2,486
Likes: 71
From: Elkhart Lake, Wisconsin
Regular or high volume oil pump advise needed
I am going to order a new oil pump for my 350 probably 375-400 HP. I am looking at Moroso Racing standard #22100 and high volume #22110 pumps. Do I need the high volume pump?
Race Director
Joined: Jan 2000
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From: Corsicana, Tx
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Get a regular pump with the high pressure spring. HV will help hold low speed and idle oil pressure with solid rollers using 2-3 pressurized holes to axles and with solid flat tappets with EDM holes in them for oiling. Usually the *Z-28* type pump is fine.
JIM
JIM
Instructor
Joined: Aug 2005
Posts: 209
Likes: 8
From: Hollywood FL
Originally Posted by 427Hotrod
Get a regular pump with the high pressure spring. HV will help hold low speed and idle oil pressure with solid rollers using 2-3 pressurized holes to axles and with solid flat tappets with EDM holes in them for oiling. Usually the *Z-28* type pump is fine.
JIM
JIM
go with the Z-28 pump
Melting Slicks
Joined: Sep 2002
Posts: 2,783
Likes: 2
From: Engineers do it better.
Originally Posted by 427Hotrod
Get a regular pump with the high pressure spring. HV will help hold low speed and idle oil pressure with solid rollers using 2-3 pressurized holes to axles and with solid flat tappets with EDM holes in them for oiling. Usually the *Z-28* type pump is fine.
JIM
JIM
I third that. I switched to MEL55A pump and pressure went up by 20-30 psi 
Le Mans Master
Joined: Sep 2001
Posts: 7,739
Likes: 630
From: Unreconstructed, South Carolina
Melling sbc pump P/N 10552 (10% more volume not 25) strengthened cover with both shafts extended into cover ... bolt on screen (not pressed in) ... 10552 designed & made better than the M55x series pumps.
Melling bolt-on screens
7" deep pan: 12557
7.5": 12558
8": 12559
Melling bolt-on screens
7" deep pan: 12557
7.5": 12558
8": 12559
