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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 02-13-2013, 11:44 PM   #1
LSX Camaro
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LS3 Lifters Options and Opinions

Looking to get get some feedback on 2 different LS3 lifters by GM. I am in the process of a LS3 conversion on my 2010 L99. I had a custom cam designed and am deciding between different lifter options.

1. GM #12499225
LS Series camshaft lifter kit
An inclusive set of 16 lifters for the LS Series engines.
Newly redesigned for high RPM LS7 engine usage.



2. GM #88958689
DESCRIPTION: LFTR PKG set of 16tested to 8000 RPM
same dimensions as production
improved dynamics and stability at high RPM's



The price for the second part number is almost double. Any thoughts?


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Old 02-13-2013, 11:53 PM   #2
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I used comps 8610s I Believe but I don't Spin my motor anywhere close to 7 or 8k rpms
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Old 02-14-2013, 12:08 AM   #3
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Not sure of the part # but the GM Caddy Race lifters are better than the LS7's.
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Old 02-14-2013, 12:11 AM   #4
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second one listed is the set to go with .........
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Old 02-14-2013, 03:55 AM   #5
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Always the one with the bigger part number. That means it was made at a later date with better tech. (I was BSing.)

Go with the shop guys advice.
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Old 02-14-2013, 06:16 AM   #6
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Quote:
Originally Posted by LSX Camaro View Post
Looking to get get some feedback on 2 different LS3 lifters by GM. I am in the process of a LS3 conversion on my 2010 L99. I had a custom cam designed and am deciding between different lifter options.

1. GM #12499225
LS Series camshaft lifter kit
An inclusive set of 16 lifters for the LS Series engines.
Newly redesigned for high RPM LS7 engine usage.



2. GM #88958689
DESCRIPTION: LFTR PKG set of 16tested to 8000 RPM
same dimensions as production
improved dynamics and stability at high RPM's



The price for the second part number is almost double. Any thoughts?


First off what cam are you going with?
What lobes?
What will your spring pressures be?
What are you planning to be spinning to?

Your doing a very good quality build bud so start researching.

If you'll be using your stock lifter trays and want an awesome lifter thats BETTER than the stock GM's, look at these lifters by Brian Tooley racing (he used to own TEA) an awesome guy and an even better valvetrain expert. Give him a call
Here are his SLR (slow leak down rate) lifters.
http://www.briantooleyracing.com/slr...r-lifters.html

Now if your gonna be spinning it hard and pretty high and you want to not worry about spinning one in the bore due to lifter tray failure due to high rpm and high spring pressures and lift then I'd go with these:
http://www.briantooleyracing.com/mor...r-lifters.html
I used these on my 4th gen

BUT PLEASE some people here think that because its 8k rpm that they are the best. They are NOT!! There are ALOT of failure rates with these lifters because they MUST be setup appropriately!! And even when that have been still trouble since they came out. Search on Ls1tech and you'll see.

Keep up the awesome build bud.
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Old 02-14-2013, 06:32 AM   #7
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Yeah there are alot of failures reported on the caddy lifters. I think those need a really light valvetrain and certain springs to work well
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Old 02-14-2013, 09:52 AM   #8
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I had the Caddy lifters take out an entire ls2 when one of the axles walked out of the lifter. Trailblazer SS, mild cam, ls3 heads, decided i was gonna "upgrade" to those lifters. Maybe it was just bad luck, but I wont be using them again.
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Old 02-14-2013, 12:54 PM   #9
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Quote:
Originally Posted by litle88 View Post
First off what cam are you going with?
What lobes?
What will your spring pressures be?
What are you planning to be spinning to?

Your doing a very good quality build bud so start researching.

If you'll be using your stock lifter trays and want an awesome lifter thats BETTER than the stock GM's, look at these lifters by Brian Tooley racing (he used to own TEA) an awesome guy and an even better valvetrain expert. Give him a call
Here are his SLR (slow leak down rate) lifters.
http://www.briantooleyracing.com/slr...r-lifters.html

Now if your gonna be spinning it hard and pretty high and you want to not worry about spinning one in the bore due to lifter tray failure due to high rpm and high spring pressures and lift then I'd go with these:
http://www.briantooleyracing.com/mor...r-lifters.html
I used these on my 4th gen

BUT PLEASE some people here think that because its 8k rpm that they are the best. They are NOT!! There are ALOT of failure rates with these lifters because they MUST be setup appropriately!! And even when that have been still trouble since they came out. Search on Ls1tech and you'll see.

Keep up the awesome build bud.
The cam is a custom grind from comp.
Lobes are EHI and LXL
Intake lift .638
Exhaust lift .612
Rev limiter will be set at 7000
Springs are Patriot Gold Duals
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Old 02-14-2013, 03:20 PM   #10
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What about duration?
How often will it see the track?

It doesn't seem radical, I think that the Brian Tooley lifters will be your best bet, you didn't cheap out on a single part of your build lol not even the plug wires. Don't do it on the lifters especially lol.
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Old 02-14-2013, 03:52 PM   #11
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Usiing Morel link bar lifters from Brian Tooley. Give him a call. He will steer you the right way.
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Old 02-14-2013, 05:04 PM   #12
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Here too, too many people cant be wrong lol.
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Old 02-19-2013, 06:32 PM   #13
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Thanks for the advice and opinions. I went with the BTR lifters and springs.

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Old 02-19-2013, 06:39 PM   #14
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What kind of reliability do those lifters have? I'm thinking about those or Morels for my next build. Pretty sure a destroyed lifter has ruined my motor so next time I need something better than LS7's.
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Old 02-19-2013, 07:17 PM   #15
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Hey Vader sorry to hear about your motor bud!

Those BTR SLR lifters are a very cool piece. No reported issues they are built really well.

If I had known about these puppies I would of gotten them.
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Old 02-20-2013, 10:03 AM   #16
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Quote:
Originally Posted by VADER SS L99 View Post
What kind of reliability do those lifters have? I'm thinking about those or Morels for my next build. Pretty sure a destroyed lifter has ruined my motor so next time I need something better than LS7's.
After doing some research I found these were a better option the the OE lifters. They have a slow leak down rate and the plungers are gauged during production. I am very confident that these will work fine for my build.
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Old 02-20-2013, 10:18 AM   #17
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Originally Posted by LSX Camaro View Post
After doing some research I found these were a better option the the OE lifters. They have a slow leak down rate and the plungers are gauged during production. I am very confident that these will work fine for my build.
We are practically doing the exact same setup(except yours looks way better than mine) i would really appreciate if you let me know how those lifters workout for you, and if the stock ls3 lifters(since they come with the conversion kit) are as durable as alot of ppl say thanks for your help in advance.
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Old 02-20-2013, 10:27 AM   #18
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What conversion kit did you buy? There are a lot of opinions on what lifters are better than the next. I have built a dozen LS motors and have not had any issues with the stock lifters. However the BTR lifters are a step up from the mass produced OE ones and the price is very reasonable.
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Old 02-20-2013, 10:32 AM   #19
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http://www.phastekperformance.com/20...o-l99tols3.htm thats where i got it from it says gm ls lifters
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