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Old 01-21-2005, 06:53 AM
mcgrsr mcgrsr is offline
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please help timing a ZZ383

how do you set the timing if you don't have a timing tab on the cover i don't think there is one available. This is a brand new crate from gm is there a different way to put it in time without the tab

the manual that came with the motor says set spark timing at 32 degrees before top dead center at 4000 rpm with the vacuum advance line to the distributor disconnected and plugged . this setting will produce 32 degrees of total advance at wide open throttle. The HEI vacuum advance canister should remain disconnected

can someone please help the motor is running pretty good it's just is pinging when i get on the throttle. when cruising it does not happen and Iam running high test fuel. Just seems so close to be running perfect HELP PLEASE
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