CompR Lifter Adjustment??
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TECH Enthusiast
Joined: Jan 2004
Posts: 611
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From: Fairfield, CA
CompR Lifter Adjustment?? My buddy has a 96 t/a, just did a cam change. We've read about adjustments on the Comp R lifters. What is everyone running who has these: 1/8, 1/4, 1/2. What will minimize valvetrain noise and still be good for performance? Competition Cams recommends 1/4 turn off of 0 and we feel it will be a little too noisy, what does everyone think who has these?
Joined: Nov 2001
Posts: 10,023
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From: LT1 land...the "409" of the 90s!
I have found it best for many to adjust the rockers while the motor is running. Loosen till loud clicking then tighten till clicking stopp's. THEN go 1/8th to a 1/4 depending on how you feel.
I personally have found the best way to make a LT1 quiet is to install Isky adjustable giude plates and center the rockers on the valves. LT1s have a slightly different valve spacing then standard SBC heads and like this setup to run the rocker best.
Good luck!
I personally have found the best way to make a LT1 quiet is to install Isky adjustable giude plates and center the rockers on the valves. LT1s have a slightly different valve spacing then standard SBC heads and like this setup to run the rocker best.
Good luck!
Originally Posted by 2ndGenWs6Owner
My buddy has a 96 t/a, just did a cam change. We've read about adjustments on the Comp R lifters. What is everyone running who has these: 1/8, 1/4, 1/2. What will minimize valvetrain noise and still be good for performance? Competition Cams recommends 1/4 turn off of 0 and we feel it will be a little too noisy, what does everyone think who has these?
Good luck.
