C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

High Volume vs Std Volume Oil Pump

Thread Tools
 
Search this Thread
 
Old Jul 14, 2009 | 03:32 PM
  #1  
cumbercr's Avatar
cumbercr
Thread Starter
Melting Slicks
10 Year Member
 
Joined: Mar 2008
Posts: 2,141
Likes: 76
From: Santa Maria, CA
Default High Volume vs Std Volume Oil Pump

How do I tell if my oil pump is standard or high volume? The engine was rebuilt before I got it. My oil pressure runs 70-80 psi at cruising speed using 10-30 oil. The engine has approx 45,000 miles on it.
Reply
Old Jul 14, 2009 | 04:02 PM
  #2  
slickfx3's Avatar
slickfx3
Safety Car
10 Year Member
 
Joined: Oct 2008
Posts: 4,022
Likes: 30
From: Los Angeles CA
Default

Originally Posted by cumbercr
How do I tell if my oil pump is standard or high volume? The engine was rebuilt before I got it. My oil pressure runs 70-80 psi at cruising speed using 10-30 oil. The engine has approx 45,000 miles on it.

seems high pressure vs. volume i don't know?
Reply
Old Jul 14, 2009 | 05:23 PM
  #3  
Muffin's Avatar
Muffin
Race Director
Supporting Lifetime Gold
10 Year Member
 
Joined: Jun 1999
Posts: 14,924
Likes: 9
From: Merritt Ils Fl
Default

Like fx3,I don't know but if it has run for 45k trouble free miles I wouldn't worry about it.
Reply
Old Jul 14, 2009 | 10:49 PM
  #4  
GREGGPENN's Avatar
GREGGPENN
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Nov 2003
Posts: 12,221
Likes: 446
From: Overland Park Kansas
2020 Corvette of the Year Finalist (appearance mods)
C4 of Year Winner (appearance mods) 2019
Default

Originally Posted by Muffin
if it has run for 45k trouble free miles I wouldn't worry about it.


But, I would think it's high pressure. Normal OEM (warm) pressure is about 20 PSI lower, but your guage could be off.
Reply
Old Jul 14, 2009 | 10:54 PM
  #5  
cv67's Avatar
cv67
Team Owner
15 Year Member
 
Joined: Oct 2004
Posts: 81,241
Likes: 3,063
From: altered state
St. Jude Donor '05
Default

If it reads that much at idle your sending unit may be out.

If not thats pretty decent. No way to tell I know of other than pulling it off. Sounds healthy to me.
Reply
Old Jul 14, 2009 | 11:47 PM
  #6  
cumbercr's Avatar
cumbercr
Thread Starter
Melting Slicks
10 Year Member
 
Joined: Mar 2008
Posts: 2,141
Likes: 76
From: Santa Maria, CA
Default

Originally Posted by cuisinartvette
If it reads that much at idle your sending unit may be out.

If not thats pretty decent. No way to tell I know of other than pulling it off. Sounds healthy to me.
70-80 psi is at 2000 rpm. Idle is more like 50-60. I'm not saying there's anything wrong with the pump, but I do get some oil in the PCV. And it's puked oil a couple times when the PCV plugged. I'm thinking may be due to a lot of oil on the top side. No worries. Just curious.
Reply
Old Jul 15, 2009 | 08:37 AM
  #7  
84camino406's Avatar
84camino406
Intermediate
 
Joined: Apr 2006
Posts: 42
Likes: 0
From: gainesville fl
Default

my std volume high pressure runs at about 50-60 under load, 40-50 at idle. that is with a 400 though. unsure if the larger bearings drop the pressure any. i actually build all mine like that, std vol hi press.
Reply

Get notified of new replies

To High Volume vs Std Volume Oil Pump





All times are GMT -4. The time now is 03:06 PM.

story-0
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-1
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-2
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-3
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-4
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-5
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-6
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-7
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-8
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-9
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE