LS6 Oil Pump Installation
Thread Starter
Safety Car
Joined: Nov 2003
Posts: 4,979
Likes: 5
From: San Diego, CA "leaf" "tee" "e"
LS6 Oil Pump Installation
How do you install the LS6 oil pump? I've been searching, but all I've seen is the F-body installation on ls1howto.com, but it requires soo much work I might as well install a cam and double roller chain if I have to do soo much work. The F-body is a pain because they can't remove the oil pan without lifting the engine or removing the k-member. I'm hoping I can just remove oil pan and get access to the oil pump. Thanks!
Eugene
Eugene
Racer
Joined: Jul 2002
Posts: 378
Likes: 0
Originally Posted by leaftye
How do you install the LS6 oil pump? I've been searching, but all I've seen is the F-body installation on ls1howto.com, but it requires soo much work I might as well install a cam and double roller chain if I have to do soo much work. The F-body is a pain because they can't remove the oil pan without lifting the engine or removing the k-member. I'm hoping I can just remove oil pan and get access to the oil pump. Thanks!
Eugene
Eugene
Burning Brakes
Joined: Oct 2000
Posts: 1,241
Likes: 0
From: phila. pa .usa
I put heads/cam/oil pump ,no way around it ,you gotta remove the st. rack,I used jmx's site& everything came out perfect,very important is the oil pump O-ring,get it in perfect or you oil pressure will be very low& youll have to take it apart again .
Race Director
Joined: May 2000
Posts: 17,101
Likes: 4
From: No more yankee my wankee, the Donger is tired!
Agree with the above. Do a cam and new timing chain while you have everything ripped apart.
Here is the C5 how to.
http://www.ls1howto.com/index.php?ar...72ec67f76905f9
Here is the C5 how to.
http://www.ls1howto.com/index.php?ar...72ec67f76905f9
Melting Slicks
Joined: Aug 2002
Posts: 3,333
Likes: 1
From: Central NJ/PA
Originally Posted by Jeffvette
Agree with the above. Do a cam and new timing chain while you have everything ripped apart.
Here is the C5 how to.
http://www.ls1howto.com/index.php?ar...72ec67f76905f9
Here is the C5 how to.
http://www.ls1howto.com/index.php?ar...72ec67f76905f9
The steering rack isnt that bad, its not hard just a little more time consuming. I've pulled mine a few times know. I did I mention USE LOCKTIGHT AND TORQUE YOUR BALANCER DOWN RIGHT?
J
Instructor
Joined: Apr 2003
Posts: 110
Likes: 0
From: Chicago IL
Why are you using an LS6 oil pump? Is it different from an LS1 oil pump?
The oil pump is on the front of the crank shaft. You don't have to remove the oil pan at all, but you basically have to take the entire front of the motor apart.
Steve
The oil pump is on the front of the crank shaft. You don't have to remove the oil pan at all, but you basically have to take the entire front of the motor apart.
Steve
Safety Car
Joined: Jan 2001
Posts: 3,879
Likes: 3
From: Hobart, WI
Replacing the pump is easy and the pan need not be dropped as stated. Just be very sure on the O ring :
1. that you do not drop it into the pan.
2. that the new one is in proper position.
The double chain may be overkill (standing by for flack) and you will have to replace crank gear which is troubling.
The new LS2 GM chain is very stout by comparison and will go on stock crank gear while pump is out.
Suit yourself.
LS1 and LS2 chain below:
If you are really concerned I did this:
1. that you do not drop it into the pan.
2. that the new one is in proper position.
The double chain may be overkill (standing by for flack) and you will have to replace crank gear which is troubling.
The new LS2 GM chain is very stout by comparison and will go on stock crank gear while pump is out.
Suit yourself.
LS1 and LS2 chain below:
If you are really concerned I did this:
Last edited by see5; Oct 26, 2004 at 12:11 PM.
Thread Starter
Safety Car
Joined: Nov 2003
Posts: 4,979
Likes: 5
From: San Diego, CA "leaf" "tee" "e"
Stephen, the early LS1 pumps are known to fail. I'm nearing 80K miles on my '98, so this is something I'm getting very concerned about. The LS6 pump is supposed to be more reliable, and have more volume and pressure, at least when it's ported like those sold by most vendors. Also, I was looking at dropping the pan as an alternative to taking the front all apart. I'm one of those people that figure that if I have it apart, I might as well upgrade. Unless someone has a different way of doing this, I guess I'll be installing a new cam and supporting hardware (chain, springs, rockers, retainers) while I'm at it.
see5, I've heard good things about the LS2 chain, but I didn't know it could use the same sprocket. That makes it a very attractive possibility. Thanks!
Eugene
see5, I've heard good things about the LS2 chain, but I didn't know it could use the same sprocket. That makes it a very attractive possibility. Thanks!
Eugene
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Melting Slicks
Joined: Aug 1999
Posts: 3,452
Likes: 3
From: Spring, TX
Originally Posted by leaftye
I was looking at dropping the pan as an alternative to taking the front all apart. I'm one of those people that figure that if I have it apart, I might as well upgrade. Unless someone has a different way of doing this, I guess I'll be installing a new cam and supporting hardware (chain, springs, rockers, retainers) while I'm at it.
see5, I've heard good things about the LS2 chain, but I didn't know it could use the same sprocket. That makes it a very attractive possibility. Thanks!
Eugene
see5, I've heard good things about the LS2 chain, but I didn't know it could use the same sprocket. That makes it a very attractive possibility. Thanks!
Eugene
Thread Starter
Safety Car
Joined: Nov 2003
Posts: 4,979
Likes: 5
From: San Diego, CA "leaf" "tee" "e"
Part #'s
Help!
I'm not having much luck looking up part #'s to get these off of GMPartsDirect.com.
I need the:
Oil pump o-ring
http://www.ls1tech.com/forums/showthread.php?t=221628 (can't get here from work)
tensioner
LS2 timing chain
Timing cover gasket
Timing cover seal
Water pump gasket
GM harmonic balancer bolt
So far I've found:
Oil Pump 12563964
Not so good eh? I hope I'm not asking too much. Thanks a bunch!
Eugene
I'm not having much luck looking up part #'s to get these off of GMPartsDirect.com.
I need the:
Oil pump o-ring
http://www.ls1tech.com/forums/showthread.php?t=221628 (can't get here from work)
tensioner
LS2 timing chain
Timing cover gasket
Timing cover seal
Water pump gasket
GM harmonic balancer bolt
So far I've found:
Oil Pump 12563964
Not so good eh? I hope I'm not asking too much. Thanks a bunch!
Eugene
Safety Car
Joined: Jan 2001
Posts: 3,879
Likes: 3
From: Hobart, WI
The oil pump 0 ring is 12557752
GM PART # 88958608
CATEGORY: Belt or Chain, Engine Timing (LS2}
From the 2004 GM Performance Parts Catalog: page 106:
88958607 Timing Chain Damper, LS1, LS6
“This timing chain damper is intended for high engine speed applications and is used to improve timing chain life. Some blocks require drilling and tapping- an instruction sheet is included. “
GM PART # 88958607
CATEGORY: Belt or Chain, Engine Timing
DESCRIPTION: DAMPENER
The other parts may have new numbers that the dealer will have.
Good luck with the project!
GM PART # 88958608
CATEGORY: Belt or Chain, Engine Timing (LS2}
From the 2004 GM Performance Parts Catalog: page 106:
88958607 Timing Chain Damper, LS1, LS6
“This timing chain damper is intended for high engine speed applications and is used to improve timing chain life. Some blocks require drilling and tapping- an instruction sheet is included. “
GM PART # 88958607
CATEGORY: Belt or Chain, Engine Timing
DESCRIPTION: DAMPENER
The other parts may have new numbers that the dealer will have.
Good luck with the project!
Drifting
Joined: May 2003
Posts: 1,715
Likes: 1
From: cAshburn VA
Give Scoggin-Dickey's parts/tech line a call they will hook you up with what you need, and also give good advice on what else you need that you hadn't thought of yet.
http://www.sdpc2000.com/
order line: 800-456-0211
tech line: 806-798-4108
gmpartsdirect is great, but getting support or questions answered from them is impossible.
Go back to jmXs site and check out the C5 h/c swap to see the corvette version of what you want. He also lists the part numbers and tools required. But yeah, you do need to get in that far anyway.
http://www.sdpc2000.com/
order line: 800-456-0211
tech line: 806-798-4108
gmpartsdirect is great, but getting support or questions answered from them is impossible.
Go back to jmXs site and check out the C5 h/c swap to see the corvette version of what you want. He also lists the part numbers and tools required. But yeah, you do need to get in that far anyway.
Originally Posted by leaftye
Help!
I'm not having much luck looking up part #'s to get these off of GMPartsDirect.com.
I need the:
Oil pump o-ring
http://www.ls1tech.com/forums/showthread.php?t=221628 (can't get here from work)
tensioner
LS2 timing chain
Timing cover gasket
Timing cover seal
Water pump gasket
GM harmonic balancer bolt
So far I've found:
Oil Pump 12563964
Not so good eh? I hope I'm not asking too much. Thanks a bunch!
Eugene
I'm not having much luck looking up part #'s to get these off of GMPartsDirect.com.
I need the:
Oil pump o-ring
http://www.ls1tech.com/forums/showthread.php?t=221628 (can't get here from work)
tensioner
LS2 timing chain
Timing cover gasket
Timing cover seal
Water pump gasket
GM harmonic balancer bolt
So far I've found:
Oil Pump 12563964
Not so good eh? I hope I'm not asking too much. Thanks a bunch!
Eugene
Safety Car
Joined: Sep 2000
Posts: 3,604
Likes: 396
From: Austin, TX
Originally Posted by see5
It is a "tensioner" now offered by GM performance. Keeps the chain from following the gear at higher rpms.
Race Director
Joined: Mar 2001
Posts: 11,405
Likes: 26
From: Whippany NJ
CI 6-7-8-9 Veteran
St. Jude Donor '08-'09
NCM Sinkhole Donor
Originally Posted by Jeffvette
Agree with the above. Do a cam and new timing chain while you have everything ripped apart.
Here is the C5 how to.
http://www.ls1howto.com/index.php?ar...72ec67f76905f9
Here is the C5 how to.
http://www.ls1howto.com/index.php?ar...72ec67f76905f9
Yeah big waste of time if your just upgrading the pump and nothingg else
Safety Car
Joined: Jan 2001
Posts: 3,879
Likes: 3
From: Hobart, WI
Originally Posted by PewterC5
Does the block already have mounting holes for the tensioner?
