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Thread: Lifters
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12-01-2010, 07:09 PM #1
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Lifters
im new to internals so...bear with me.
im about 75% sure my lifters are i need of replacing.
i had a friend of my dads check it out and he said that its most likely a lifter. my dad and a few guys here on LS1 agree but next week (hopefully) i can get it into a shop and get a professional opinion.
i figure that i might as well get a performance upgrade out of my bad luck
now my question is this...
is there anything i should go ahead and do/replace since im having the lifters replaced?
and what kind of lifters should i get?
(for refernce purposes)---> all i (will) have is LTs ORY and LMII exhaust.
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12-01-2010, 07:23 PM #2
so what makes you think your lifters need to be replaced? Noise issue? What kind of noise?
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12-01-2010, 07:25 PM #3
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12-01-2010, 07:32 PM #4
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http://www.ls1.com/forums/showthread.php?t=147978
heres the thread of my issue.
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12-01-2010, 07:33 PM #5
Since your not going with a huge cam, I'd just drop a set of ls7 lifters in it. They don't make the ls1 lifters anymore...the ls7 lifters replaced the ls1s. They are built alittle more stout and holdup a lot better than the old stock ones.
You have to pull the heads off to change lifters so depending on what kind of money you want to spend, now would be a good time to do a head swap. If you are on a tight budget atleast get some milled off the heads to bump your compression up some (.030-.040") and a good valve job.
Spend the money and get the ARP head bolts...the stock bolts can only be used once where the ARPs can be used over and over again and you will be kicking yourself if you get stock bolt and pull the heads off again later.
Also the ls7 lifters are a hair taller and if you mill the heads you will NEED to check pushrod lenght.
And last, do yourself a favor and drop a set of comp 918 springs or better in so if you over rev you won't get valve float.
Hope I helped!
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12-01-2010, 08:02 PM #6
Oh yes sorry, i have read your thread briefly. What I have heard of the LS1 lifters vs. LS7 lifters are they are pretty identical but the LS7 lifters are better because the casting was different in the process of making them.
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12-01-2010, 08:12 PM #7
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well what if i plan to drop a 402 or 408 stroker in this?
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12-01-2010, 08:17 PM #8
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12-01-2010, 08:28 PM #9
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12-01-2010, 08:31 PM #10
Just guessing but probably because of his cam and because Morels are pretty kick-ass lifters
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12-01-2010, 08:35 PM #11
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12-01-2010, 08:35 PM #12
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12-01-2010, 09:14 PM #13
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and where can i purchase these fabulous lifters at?
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12-01-2010, 09:16 PM #14
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