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Generation III Internal Engine 1997-2006 LS1 | LS6
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Caddy Lifter Users Inside!!!!!

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Old 07-10-2007, 06:54 PM
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Default Caddy Lifter Users Inside!!!!!
Are these things supposed to be loud? I am using them with yella terras and my car has a LOT of valve train noise.....especially after a good pull.
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Old 07-11-2007, 12:54 AM
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did you verify PR length? and use the shims for the YT's?
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Old 07-11-2007, 09:00 AM
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Mine sound about like I expected. I can hear the valvetrain more from underneath the sides, I suspect from the headers. The noise gets a little louder when it gets warmed up but that's about it. A really quiet valvetrain would be nice but it isn't noticeable from inside with the windows up.
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Old 07-14-2007, 01:16 PM
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Mine is quiter than the stock lifter I had. Did you check your preload?
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Old 07-14-2007, 05:25 PM
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Originally Posted by Red99C5
Mine is quiter than the stock lifter I had.
mine too
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Old 07-14-2007, 08:01 PM
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Is this part #88958689 or #12499225 yall are talking about?
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Old 07-15-2007, 04:44 PM
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Should be the #88958689, mine is just as quite as before.
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Old 07-16-2007, 02:58 AM
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yeah the 88958689 are the caddy lifters and the 12499225 are the LS7 lifters i think.
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Old 07-16-2007, 02:28 PM
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werd, thank yas much
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