Generation III Internal Engine 1997-2006 LS1 | LS6
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View Poll Results: What lifters should I use?
Comp 850-16's
22
14.86%
LS7 lifters
74
50.00%
Cadillac Racing
52
35.14%
Voters: 148. You may not vote on this poll

Lifter poll!!

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Old Feb 26, 2007 | 06:45 PM
  #21  
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Originally Posted by Mike94ZLT1
Anyone have the part number for the caddy lifters? Looks like that is what I will go with thanks guys!

Scoggin-Dickey's number is above (post number 10 on page one this thread) call them they have them in stock..
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Old Feb 26, 2007 | 06:51 PM
  #22  
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Who actually has the morels in stock?I need a set of the new link bar type.I also noticed on summit's website they now list the Lunati 72432 as a vertical link bar lifter.Is this going to be the same as the morels?
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Old Feb 26, 2007 | 11:33 PM
  #23  
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My only other experience with other than stock is the comp 850-16's which are working good so far with 4K miles on a x3 cam. Now we'll see how they hold up to a .650 lift cam.
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Old Feb 27, 2007 | 01:38 AM
  #24  
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so who make the 100 dollar ones on sdpc? part # 12499225. They should be fine for a street motor shouldnt they?
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Old Mar 18, 2007 | 11:12 PM
  #25  
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i got LS7 lifters shipped to my door for $110.... pm for info


ps- lift on cam is .601/.613
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Old Mar 18, 2007 | 11:16 PM
  #26  
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Well I am trying to go with the Caddy's, but they are on B/O.
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Old Mar 19, 2007 | 01:27 AM
  #27  
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im using ls7 lifters..
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Old Mar 20, 2007 | 05:00 AM
  #28  
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Morel's here as well, very nice lifter and high quality.
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Old Mar 20, 2007 | 05:49 AM
  #29  
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I run the caddy lifters in my L92 402. With proper preset the valve train noise is no more than stock.

Highly recommend!
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Old Mar 20, 2007 | 08:02 AM
  #30  
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Comp 850s have worked great for me so far...

I might look into the Caddy lifters if I ever change them again...
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Old Mar 20, 2007 | 08:37 AM
  #31  
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Morel here, since 05'.
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Old Mar 20, 2007 | 09:10 AM
  #32  
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Are these the LS7 lifters or the Caddy lifters?
http://www.byunspeed.com/product_inf...5035c70721e115
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Old Mar 20, 2007 | 09:52 AM
  #33  
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Default Lifter Choice

For anything less than 7k (on the street), I'd use the LS7 (12499225).

For more extreme rpm/lobes, the GMPP Cadillac (88598689) would be the obvious choice. Given it's operating range, it's probably a more durable piece.

At any rate, the old adage "you get what you pay for" applies here.
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Old Mar 20, 2007 | 02:41 PM
  #34  
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Here'e what I would go with they're the same price as the Morels. I installed them with my cam swap and I had no problems turning 6500, and there's not much increase in valvetrain noise.

http://cranecams.com/?show=newProduct&id=13

Here's the Hi-Po Chevy article:
http://www.chevyhiperformance.com/te...e_rocker_arms/

You can get them from Summit:
http://store.summitracing.com/partde...=crn-144535-16

Last edited by LSWon00; Mar 20, 2007 at 02:57 PM.
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Old Mar 20, 2007 | 02:58 PM
  #35  
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Another vote for Morel lifters here.
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Old Mar 20, 2007 | 03:26 PM
  #36  
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How many people have actually "Used" the caddy lifters??
It seams that every time a new product comes out everyone starts to make unfounded reccomendations about using it??
How many people have actually had a failure with the LS7 lifters? How many people "Know" that the caddy lifter will be more benificial to use?? (on a street car that will NEVER see 7000+ rpms.)

Just because its twice the cost doesnt make it twice as good..

I vote for the tried and true LS7 lifter.. Cause I would be willing to bet the cost of the lifters that you will NEVER see 1 ounce of advantage or reliability increase by going with the caddy lifters.
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Old Mar 21, 2007 | 12:21 AM
  #37  
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Originally Posted by AMERICAN_HP
How many people have actually "Used" the caddy lifters??
It seams that every time a new product comes out everyone starts to make unfounded reccomendations about using it??
How many people have actually had a failure with the LS7 lifters? How many people "Know" that the caddy lifter will be more benificial to use?? (on a street car that will NEVER see 7000+ rpms.)

Just because its twice the cost doesnt make it twice as good..

I vote for the tried and true LS7 lifter.. Cause I would be willing to bet the cost of the lifters that you will NEVER see 1 ounce of advantage or reliability increase by going with the caddy lifters.
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Old Mar 21, 2007 | 10:42 AM
  #38  
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I have to say that it depends on the application.

For mild street cams and/or rpm under 6,500 I am sure that
regular LS1/LS7 lifters (12499225) will be fine.
GMPP highly advises the use of the racing (Caddy) lifters with
more aggressive cams and higher RPM applications.
The ceramic internal checkball is supposed to help valvetrain control.
The racing lifters have also been reported to help quiet valvetrain noise at idle.
In short, buy what makes sense for your particular combo.
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Old Mar 21, 2007 | 06:00 PM
  #39  
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Originally Posted by 00slowredz
i got LS7 lifters shipped to my door for $110.... pm for info


ps- lift on cam is .601/.613

Sent you a pm. I need a set so I can install my AFR's.
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Old Mar 21, 2007 | 06:04 PM
  #40  
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12499255 is the part # for BB Chevy heads. Not LS7 lifters.
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