Avoid new style ls2 lifter trays
I don't know about you, but my cam moves the rockers at TDC. Lol.
I just put brand new LS7 lifters and LS2 style trays in, I even weakened them further by drilled them to drain the oil out, so we'll see I guess. I plan to eventually step up to a solid roller so they'll be back out anyways in a short amount of time.
I just put brand new LS7 lifters and LS2 style trays in, I even weakened them further by drilled them to drain the oil out, so we'll see I guess. I plan to eventually step up to a solid roller so they'll be back out anyways in a short amount of time.
Your sketch completely disregards the lifter bore, which will control the angular loading you are talking about.
I don't know about you, but my cam moves the rockers at TDC. Lol.
I just put brand new LS7 lifters and LS2 style trays in, I even weakened them further by drilled them to drain the oil out, so we'll see I guess. I plan to eventually step up to a solid roller so they'll be back out anyways in a short amount of time.
I just put brand new LS7 lifters and LS2 style trays in, I even weakened them further by drilled them to drain the oil out, so we'll see I guess. I plan to eventually step up to a solid roller so they'll be back out anyways in a short amount of time.
TECH Enthusiast
Joined: Apr 2007
Posts: 709
Likes: 2
From: 336 NC
I don't believe an LS2 tray is hardly any better or any worse than an LS1 tray. They are both plastic and don't remotely stand a chance of keeping the lifters from spinning in the lifter bores should something go wrong in a running engine.
For example. If you were to hold a lifter tray in your hand. Then insert a lifter into the tray. Then grip the lifter with pliers. You could by hand twist/rotate the lifter around in the tray and break the tray.
For the lifter trays to be made out of plastic they are very strong. However in my opinion the trays are to keep the lifter aligned with the lobe when its not in contact with the lobe(which is very bad for the lifters anyway), and for easy production line assembly.
For example. If you were to hold a lifter tray in your hand. Then insert a lifter into the tray. Then grip the lifter with pliers. You could by hand twist/rotate the lifter around in the tray and break the tray.
For the lifter trays to be made out of plastic they are very strong. However in my opinion the trays are to keep the lifter aligned with the lobe when its not in contact with the lobe(which is very bad for the lifters anyway), and for easy production line assembly.
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
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
TECH Addict
Joined: Mar 2013
Posts: 2,628
Likes: 30
I don't believe an LS2 tray is hardly any better or any worse than an LS1 tray. They are both plastic and don't remotely stand a chance of keeping the lifters from spinning in the lifter bores should something go wrong in a running engine.
For example. If you were to hold a lifter tray in your hand. Then insert a lifter into the tray. Then grip the lifter with pliers. You could by hand twist/rotate the lifter around in the tray and break the tray.
For the lifter trays to be made out of plastic they are very strong. However in my opinion the trays are to keep the lifter aligned with the lobe when its not in contact with the lobe(which is very bad for the lifters anyway), and for easy production line assembly.
For example. If you were to hold a lifter tray in your hand. Then insert a lifter into the tray. Then grip the lifter with pliers. You could by hand twist/rotate the lifter around in the tray and break the tray.
For the lifter trays to be made out of plastic they are very strong. However in my opinion the trays are to keep the lifter aligned with the lobe when its not in contact with the lobe(which is very bad for the lifters anyway), and for easy production line assembly.
I just think its bazar that anyone would believe these plastic guides function as link bars?
On The Tree
Joined: Jan 2014
Posts: 108
Likes: 1
From: Down under
Each to their own and I know a gazillion LS engines survive just fine with the plastic trays, but if I'm doing anything with an LS for myself even just a bog stock engine rebuild, it will have linkbar lifters fitted.
Jason.
Jason.
I have run LS2 trays with 350 seat, 1200 open at 9200rpm without issues. I will use them over link bars every single time they will fit, and I drill holes also for oil clearing.
Kurt
Kurt
TECH Enthusiast
Joined: Apr 2007
Posts: 709
Likes: 2
From: 336 NC
Kurt that is awesome, but there is no way I would trust a tray style lifter setup at 9000 rpm.
Doug yes link bar lifters add weight but the tradeoff in reliability is worth it. However Jesel makes a dogbone setup that replaces the trays for the best of both worlds.
Doug yes link bar lifters add weight but the tradeoff in reliability is worth it. However Jesel makes a dogbone setup that replaces the trays for the best of both worlds.
TECH Veteran
Joined: Sep 2014
Posts: 4,893
Likes: 703
From: Mississippi
Speed- I saw something like that.... how much they cost ?
I mean after you spend 100- 200 bucks on those then 200 bucks or more on a morel/johnson drop in lifter you'll be in the link bar price territory.
Brian Tooley once told me something about drop in lifters spinning.... but I forgot word for word exactly what he told me.
I mean after you spend 100- 200 bucks on those then 200 bucks or more on a morel/johnson drop in lifter you'll be in the link bar price territory.
Brian Tooley once told me something about drop in lifters spinning.... but I forgot word for word exactly what he told me.
I use stock guides still when I can, but that is mostly 4 bolt stuff. RPM does not add any load on the centering device unless it's a link bar type.
I use dog bone and horse collar style from Jesel often in 6 bolt head engines. I will use link bar lifters on some builds, but I try not to because of lower durability and function. They are still popular because of the one size fits all design, makes things easy.
Kurt
I use dog bone and horse collar style from Jesel often in 6 bolt head engines. I will use link bar lifters on some builds, but I try not to because of lower durability and function. They are still popular because of the one size fits all design, makes things easy.
Kurt
TECH Fanatic
Joined: Jul 2007
Posts: 1,802
Likes: 332
From: Wilmington, De
Joined: Aug 2007
Posts: 24,241
Likes: 89
From: Turnin' Wrenches Infractions: 005
Holy hell common sense! I just installed a set of these in my LQ4 about a week ago and will not worry about it one bit. If there was a true issue with the average engine we would know about it already.
Registered User
Joined: Jul 2023
Posts: 1
Likes: 1
Absolutely correct. I just swapped to new Delphi LS7 Lifters with brand new trays and had a failure within 500 miles. I had my doubts about the lifter trays once I saw what was keeping the lifter true to the cam. Wish I had left the old trays in as they were stronger. The new trays spread on the wall that holds the lifter straight and kapow!
