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How do I check Valve Lash??? HELP!!

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Old May 25, 2001 | 11:54 PM
  #1  
KW87GTA's Avatar
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From: Bronx, NY
How do I check Valve Lash??? HELP!!

I recently installed a Superram, and had to take off four of the rocker arms. The instructions merely said to replace them and torque them to spec which I believe is 11lbs. However, I have seen that people say you need to adjust the valve lash when you take the arms off. Do I have to do this? What would happen if I don't? And how do I do this and what is the lash actually supposed to be set at? If I took the rockers off and put them back on to 11 lbs how come they need to be adjusted and how so. Thanks I'm really afraid to run the car now that I saw this. After the isntall it only ran for less than a minute. Thanks.

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87 GTA 350 L98
K&N filter, beefed up TH-700r4, Accel Manifold, Ported Plenum and Runners, Fuel Press. Regulator 49.5psi, air foil, modified MAF, SLP cold air box, Hypertech Thermomaster chip w/160 thermostat, MSD 6AL and Blaster 3, B&M shift kit & megashifter, Moser Ford 9in Rear with Richmond 3.50 and locker, Edlebrock TES headers and Cat Back,Gutted cat, removed emissions, Hotchkis setup in rear, Poly suspension and Koni in the front, relocated MAT, bypassed TB coolant, 300 lbs lighter
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Old May 26, 2001 | 12:54 AM
  #2  
Dan87IROC-Z's Avatar
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Joined: Feb 2000
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From: Fort Collins, Colorado
First of all, forget about the torque specs. I'm sending you the instructions that I was given on how to do my valve last, its really simple once you get the hang of it. BTW, you can just rotate the engine with a breaker bar on the crank shaft pulley bolt in the center of the pulley.

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1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission
Borg Warner 7.75" 9 Bolt Rear End with 2.77:1 Gears.

Current Mods: LT4 HOT Cam, Comp Cams 1.52:1 Roller Rocker Arms, Edelbrock TES 1 5/8" Headers, Hooker 3" Aerochamber Cat-Back System, Performance Resource Chip, Accel Ignition, K&N Filters, JET TPI Air Foil, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET (w/o LT4 cam): 14.32 @ 97.7mph
(corrected for elevation)

Soon to Come: 7.625" 10 Bolt with 3.42s and Accel TPI Intake Base
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