LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LS7r lifter preload?

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Old Apr 16, 2010 | 05:42 PM
  #16  
dangalla's Avatar
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Joined: Jun 2006
Posts: 2,092
From: lakeville, pa
i had the same thought as you, and i when i got them there were only one or two people running them, so i started out with 1 turn and worked from there, i ended up right about 1/2 actually a little less than that, and that is where i got the best results.

i did not do this testing on the dyno, but i tried at least 10 different settings from 1/16 all the way up to 1 turn. down around 1/16 where some people say they had the best results i actually had some lifter noise and read that other people did too., what i am saying is that every car is different and you are going to have to do some testing yourself. but personally i would start at 1/2 and work from there
Old Apr 18, 2010 | 03:28 AM
  #17  
96azhawk's Avatar
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Joined: Feb 2005
Posts: 447
From: Mesa, AZ
Originally Posted by dangalla
i had the same thought as you, and i when i got them there were only one or two people running them, so i started out with 1 turn and worked from there, i ended up right about 1/2 actually a little less than that, and that is where i got the best results.

i did not do this testing on the dyno, but i tried at least 10 different settings from 1/16 all the way up to 1 turn. down around 1/16 where some people say they had the best results i actually had some lifter noise and read that other people did too., what i am saying is that every car is different and you are going to have to do some testing yourself. but personally i would start at 1/2 and work from there
Thanks for the input.

I may as well pay for an extra half hour of dyno time to just try a few different settings out. Just want to make sure I am at least in the ballpark and doing it right. "Keep It Simple Stupid"... I should have stuck to this a little more during the build.
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