the correct way to install lifters?
12-05-2006, 02:29 PM
#21
11 Second Club
iTrader: (13)
Join Date: Sep 2005
Location: Sacramento, CA
Posts: 704
Likes: 0
Received 0 Likes
on
0 Posts
so caddy lifters but what about checking pushrod length what's the easiest tool? and method besides or is this the best?
Ok heres what you do:
Make sure engine is at TDC on compression of the cylinder you are checking before you do any of this!
1. Install new lifters and all that.
2. Put pushrod length checker (set to the shortest length) in the pushrod hole and seat in lifter plunger.
3. Install rocker pedstal and arm and torque to proper foot lbs. (22 i think)
4. Lengthen pushrod checker until the checker has the rocker set to 0 lash and the plunger is not depressed AT ALL. ie. You want no play between the rocker tip and the vales stem and their should be no pressure on the lifter. The checker should be taught but not bound up.
5. Remove rocker arm.
6. Check the markings on the pushrod length checker. Add the desired preload to that measurement. (probably .080" with stock lifters)
Ok heres what you do:
Make sure engine is at TDC on compression of the cylinder you are checking before you do any of this!
1. Install new lifters and all that.
2. Put pushrod length checker (set to the shortest length) in the pushrod hole and seat in lifter plunger.
3. Install rocker pedstal and arm and torque to proper foot lbs. (22 i think)
4. Lengthen pushrod checker until the checker has the rocker set to 0 lash and the plunger is not depressed AT ALL. ie. You want no play between the rocker tip and the vales stem and their should be no pressure on the lifter. The checker should be taught but not bound up.
5. Remove rocker arm.
6. Check the markings on the pushrod length checker. Add the desired preload to that measurement. (probably .080" with stock lifters)
12-05-2006, 06:01 PM
#22
I spoke to Rick Morel of Morel lifters before I installed them in my car. He told me to soak the lifters so the roller was in oil and work the roller to get oil into the bearings. Morel installs a fairly thick grease that will come out with heat during the first engine start, but that working oil into the lifter would hasten the process. The grease is to protect the lifters after manufacture so they don't rust. I also used Redline Assembly Lube on the outside of the lifters to ensure a well lubricated start. The Redline Assembly Lube, if you haven't seen it, has no particulate and dissolves as soon as oil hits it. I also use it on the pushrods and rocker contact with the valve stem.
12-05-2006, 07:56 PM
#27
On The Tree
iTrader: (1)
Join Date: Nov 2005
Location: KY
Posts: 176
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by GuitsBoy
I believe the LS7 lifter is the same as any other 1987+ stock GM hydraulic roller lifter.
01-31-2007, 07:23 AM
#35
TECH Regular
iTrader: (14)
Join Date: Oct 2005
Location: Dayton, Ohio
Posts: 437
Likes: 0
Received 0 Likes
on
0 Posts
Back to the original installation questions. I have a set of Morel lifters to be installed into an LS6 block. Which direction does the oiling hole on the side of the lifter face? Towards the valley or away from the valley?
01-31-2007, 08:12 AM
#36
Going to Rs with non-adjustable rockers(stock) probably isn't a good idea because they use no preload(set at zero lash) whereas the stock lifter do use some preload. You'd have to buy shorter pushrods or shim to get zero preload since you're using stock rockers. Rs are probably better used with adjustable rockers where preload can be controlled. The purpose of the lifter trays is NOT to hold the lifters up during cam swaps. If you read the GM shop manual you'll find that they don't even recommend doing cam swaps the way most people who frequent LS1Tech do it. They want you to basically tear the top end down to do a cam swap instead of using the short cut method we all use. The purpose of the lifter trays is to keep the lifter from turning so the roller is always in alignment with the cam lobe
03-06-2007, 03:27 PM
#37
Launching!
iTrader: (5)
Join Date: May 2004
Location: Las Vegas
Posts: 279
Likes: 0
Received 0 Likes
on
0 Posts
Will that preload help quiet the Comp R's down? Mine are loud as hell.
Kane
Kane
Originally Posted by Beast96Z
You don't want to retain stock pre-load with Comp R's. There designed to work with about .010" pre-load. Stock preload is much more. I'm not sure how wild you'r going on your build, but stock replacement Comps (850-16) may have been the better choice. Comp R's are picky and seem to be pretty noisy because of the light preload setting. I'd deffinatlly measue with a checker and set it up for .010"-.020" max.
03-12-2007, 07:06 PM
#38
On The Tree
Join Date: Jan 2004
Posts: 141
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by Kaneman
Will that preload help quiet the Comp R's down? Mine are loud as hell.
Kane
Kane
03-25-2007, 01:28 AM
#39
Registered User
Join Date: Jun 2002
Location: Forced Induction Heaven
Posts: 453
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by squealingtires
Back to the original installation questions. I have a set of Morel lifters to be installed into an LS6 block. Which direction does the oiling hole on the side of the lifter face? Towards the valley or away from the valley?
Did you ever get an answer to this?
