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LS7 lifters vs LS1 lifters

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Old 04-11-2012, 06:25 AM   #1
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Default LS7 lifters vs LS1 lifters

I was wondern what gain do you get by replacing your LS1 lifters with LS7 ones??
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Old 04-11-2012, 06:38 AM   #2
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Just a better lifter and better sustainability at higher rpm
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Old 04-11-2012, 07:27 AM   #3
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New lifters......
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Old 04-11-2012, 07:33 AM   #4
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Originally Posted by SweetS10V8 View Post
New lifters......
Pretty much this is all.

The original LS1 lifters were discontinued & replaced by the LS7 lifters, so technically you cant even get "stock" LS1 lifters anymore. Its LS7's or aftermarket.
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Old 04-11-2012, 07:41 AM   #5
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If you look at the bottom around the roller area, the ls7 lifter is beefier.
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Old 04-11-2012, 08:59 AM   #6
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Originally Posted by BIG_MIKE2005 View Post
Pretty much this is all.

The original LS1 lifters were discontinued & replaced by the LS7 lifters, so technically you cant even get "stock" LS1 lifters anymore. Its LS7's or aftermarket.
This is interesting....I may have LS7 lifters already in my engine. It was produced in the 2006 arena...
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Old 04-11-2012, 12:45 PM   #7
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Thanks alot guys. The reason i was asking is cause i just built me a 408 stroker for my camaro and i could get a set of LS1 lifters but i see everyone putting LS7 lifters in there motors so was just curious why. I am gonna buy the LS7 lifters anyway just wanted some info. Thanks again
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Old 04-11-2012, 04:04 PM   #8
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I personally am not sure that the LS7 lifters are stronger than LS1 lifters. At the moment I'm 99% sure I have a trashed LS7 lifter in my Camaro that's making the engine sound like pure hell. Car's currently on a boat from Germany to the USA.

Anyhow, I did a H/C swap 22K miles ago and swapped to the LS7 lifters then. Car ran a lot at 3000+ RPM on the German autobahn and road courses like the Nurburgring, but RPMs never exceeded 6500RPM. That said, if the LS7 lifter was stronger, you'd think they'd last more than 22K miles. Hell, the LS7 has a edline of 7K.... so go figure.

Just my $0.02.
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Old 04-11-2012, 06:12 PM   #9
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Quote:
Originally Posted by Schantin View Post
I personally am not sure that the LS7 lifters are stronger than LS1 lifters. At the moment I'm 99% sure I have a trashed LS7 lifter in my Camaro that's making the engine sound like pure hell. Car's currently on a boat from Germany to the USA.

Anyhow, I did a H/C swap 22K miles ago and swapped to the LS7 lifters then. Car ran a lot at 3000+ RPM on the German autobahn and road courses like the Nurburgring, but RPMs never exceeded 6500RPM. That said, if the LS7 lifter was stronger, you'd think they'd last more than 22K miles. Hell, the LS7 has a edline of 7K.... so go figure.

Just my $0.02.
Alot comes into play with lifter life as well.

I have had my LS7 lifters & my Patriot Gold duals in for 80k miles & still runs just fine. did my H/C swap with the springs/lifters at 100k miles & now rockin 180k miles. Never had a single issue although its close to time for new springs.
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Old 04-11-2012, 07:37 PM   #10
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Also, most guys run cams way bigger than the 7.0L cam in the Z06. Bigger cams with more lift and higher spring rates wear stuff like lifters out.
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