LS1 vs LS6 Oil Pump
LS1 vs LS6 Oil Pump The subject of oil pumps came up in a conversation the other day about the difference in these two pumps. Is it true that the LS6 pump is larger and pumps slightly more volume?
It would be great for some knowledgeable members to talk a lil about this. In addition, I'm also curious to know if ls6 pump is more liable, or if it's best to just find an aftermarket brand pump thats ported for more volume.
The '97-'00 model LS1 pumps had an o-ring that was known to fail. The '01-'04 model LS1s, they redesigned and upgraded some parts... the LS1 pump from the '01-'02 F bodies is the exact same one that is on the LS6 engine and is a far superior version compared to the earlier LS1. The LS1 oil pump is good for stock applications period once you start going to a new cam, lifters and so on you need to upgrade to a ported LS6. Why ported because you will have more volume and this will make sure you don't run out of oil to your different bearings specially in higher rpm range.
Now I went with a Melling product. They have better gears, o rings and the over all design is better. They are pretty much bullet proof not saying they do not fail everything fails. Yet the Melling product has shown itself to perform over and over again. I am sure there are many people who vouch for either the LS6 ported or Melling. what it comes down to is preference.
Some people will also chime in and talk about oil starvation with more volume being pumped through your engine but I am running a M296 High pressure and 18% more volume. This pump is on my second H/C package and am currently running it with a 150 shot shifting at 6800 rpm and i have yet to see any sump starvation or anything to the fact.
Hope this helps.
Now I went with a Melling product. They have better gears, o rings and the over all design is better. They are pretty much bullet proof not saying they do not fail everything fails. Yet the Melling product has shown itself to perform over and over again. I am sure there are many people who vouch for either the LS6 ported or Melling. what it comes down to is preference.
Some people will also chime in and talk about oil starvation with more volume being pumped through your engine but I am running a M296 High pressure and 18% more volume. This pump is on my second H/C package and am currently running it with a 150 shot shifting at 6800 rpm and i have yet to see any sump starvation or anything to the fact.
Hope this helps.
I'm sorry 02*C5 but I'm not looking for an opinion on other pumps compaired to LS6 pumps, but facts as to the difference in a LS1 vs LS6 pump.
It has been said to me that the LS6 pump is larger and pumps more volume.
Is this true and what is the difference?
It has been said to me that the LS6 pump is larger and pumps more volume.
Is this true and what is the difference?
The '97-'00 model LS1 pumps had an o-ring that was known to fail. The '01-'04 model LS1s, they redesigned and upgraded some parts... the LS1 pump from the '01-'02 F bodies is the exact same one that is on the LS6 engine and is a far superior version compared to the earlier LS1.
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo
Five Reasons the Camaro Was the Most Pivotal Player in the Pony Car Wars 2.0
Brett Foote
Aren't high pressure/high volume pumps for turbos or motors running loose bearing tolerances???
Ported/high-volume (whatever) seems like a bit of snake oil to me on a modern tight engine without a turbo or some real need for the high pressure/volume.
Ported/high-volume (whatever) seems like a bit of snake oil to me on a modern tight engine without a turbo or some real need for the high pressure/volume.
After a 100K miles tolerances start to loosen up hence the engine is no longer tight. LS engines are notorious for eating oil and once they get after 100K stock pistons and rings they tend to eat about 1/2 to 1 quart depending on the load its under per oil change so I would check your oil every week or so and add as needed and leave the snake oil at the door.
p.s. i shift mine at 6800 and redline @ 7K my tps/ws is set to 6600.
Last edited by 02*C5; Jun 24, 2010 at 01:52 PM.
I found this thread in the archives from a couple years ago.
https://ls1tech.com/forums/generatio...-oil-pump.html
https://ls1tech.com/forums/generatio...-oil-pump.html
I found this thread in the archives from a couple years ago.
https://ls1tech.com/forums/generatio...-oil-pump.html
https://ls1tech.com/forums/generatio...-oil-pump.html
What r u doing to ur car if u don't mind me asking. (Mods)
Good info indeed. The one element that is repeated several times is that high volume/pressure isn't needed. If you're bearing tolerances are getting out of spec, you should look at fixing the problem.
Again I think your right but you won't find too many guys that will do this me included.
I found this thread in the archives from a couple years ago.
https://ls1tech.com/forums/generatio...-oil-pump.html
https://ls1tech.com/forums/generatio...-oil-pump.html
^^^^ Good post here ... 
2001+ All cars got the LS6 shortblock, oil pump, intake manifold, exhaust manifolds, etc. The differences between a 2001+ LS1 and LS6 are the heads (243 vs. 241s), the cam profile, and the PCV system setup.
Personally I run LS4 high volume pumps in my cars becaue they're road raced and have to handle an oil cooler and oil temps in the 270 range.
Personally I run LS4 high volume pumps in my cars becaue they're road raced and have to handle an oil cooler and oil temps in the 270 range.