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LS7 Lifter

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Old 09-01-2011, 06:44 PM
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Congrats Merv, you've earned your cookie! lol

Good info though man, it sure clears up alot.
Old 09-01-2011, 06:55 PM
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I'll be expecting that cookie, ******.
Old 09-06-2011, 07:51 PM
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https://ls1tech.com/forums/generatio...1-lifters.html

This is a good thread. Ends up raising as many questions as it answered.
Old 09-07-2011, 12:05 AM
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Yup, I read that thread.

To slighly change the topic..

Originally Posted by 93Z2871805
Congrats Merv, you've earned your cookie! lol

Good info though man, it sure clears up alot.
Originally Posted by the_merv
I'll be expecting that cookie, ******.



Cookies arrived.
Old 09-07-2011, 03:46 PM
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Hahaha! Glad to see they arrived!
Old 09-07-2011, 09:35 PM
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Peanut Butter was KIA right out the box..
Old 11-21-2011, 06:54 PM
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I think we need to start a list of the so called experts that called the different length a "myth".
Old 02-05-2015, 01:31 PM
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Originally Posted by the_merv
Bumping this one up..I was asked this earlier and found some good info to clear it up.

LS7 on the LEFT, stock on the RIGHT



http://www.camaroz28.com/forums/showthread.php?t=690137

Here is another one..

https://ls1tech.com/forums/15011466-post7.html





So gentlemen what we conclude here is the actual LS7 Lifter is .050" TALLER than the stock Lifter, and requires a .050" SHORTER PUSHROD.

However to throw a curve ball in here..there are stock replacement lifters that are out there that look like LS7 Lifters, but the Cup is stock height. You just have to pay attention to detail when you look.


When you refer to that theres is a stock replacement lifter that look like LS7 ones, are you talking about part number 12499225 ? or are those the ones that are going to require a .050 shorter pushrod??
Old 04-08-2020, 12:15 PM
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Default Michigan Motorsport lifters

Anybody ever heard of them? I haven’t seen anyone talk about them at all. I’m just wondering if they have good lifters for the price
Old 04-10-2021, 09:21 AM
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Default Ls7 lifters in an lm7

I recently had a lifter start to go bad in my lm7 5.3 and I was looking at getting ls7 lifters to replace the stock one. I have all stock internals and I’m having trouble finding the proper pushrod length that I can run to put the proper preload and n the lifters. If anyone has any experience or knowledge on these it will be helpful.
Old 04-10-2021, 10:45 AM
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Originally Posted by Venom33
I recently had a lifter start to go bad in my lm7 5.3 and I was looking at getting ls7 lifters to replace the stock one. I have all stock internals and I’m having trouble finding the proper pushrod length that I can run to put the proper preload and n the lifters. If anyone has any experience or knowledge on these it will be helpful.
I would get a pushrod length checking tool and measure. They're pretty cheap and easy to use.
Old 12-25-2023, 10:24 AM
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LS7 lifters are a myth, they do not exist... well in a lot of people's minds they do.



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