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Old 09-02-2003, 05:32 PM
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Chevy 327 Timing Problems

Hey Everyone.I have a 1965 Chevy Impala SS with a 327.I cannot get the timing set right because I dont know what it is supposed to be set on.I used the timing light and I was looking on the Timing Pointer and right now I got the timing set on 10.If there is anyone out there who knows anything about timing a 327 Chevy,Please respond.Thanks,

Eazy

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Old 09-02-2003, 05:52 PM
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What's exactly wrong with the timing? 10 degrees sounds a bit too much for me, I usually go with 6 BTDC.
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Old 09-02-2003, 06:29 PM
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327 Timing

Well the car still runs and everything but I just want the timing set right.Now when you say 6 BTDC do you mean #6 on the timing pointer?What do you mean by 6 BTDC?
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Old 09-02-2003, 06:40 PM
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BTDC

BTDC means the numbers before the 0 and the numbers after the 0 are ATDC.Anywhere from 6-8 BTDC will be fine.0 means TDC
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Old 09-02-2003, 11:09 PM
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Sorry

Sorry about the confusion - I mean 6 degrees before top dead center.

Luckily, someone explained this for you - so now ya know!
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Old 09-03-2003, 12:04 AM
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make sure you pull the vacuum line off the distributor and plug the line with a golf tee or something before setting the timing, it will make a difference and it's the recommended procedure. Be sure to reconnect the vacuum line after you time it . Just fyi check the timing again to see how much the vacuum advance changes the timing, but trust the way you set it with the line plugged, the specs call for the line to be plugged. While you are at it , rev the engine and watch to see if the timing is advancing properly. You can get a timing tape to put on the vibration dampener. You should get well over 30 degrees total advance depending on how much is built into that particular dist . A good speed shop can curve the dist to optimize your application. It's one of the cheapest most effective and most overlooked performance mods you can make. Good luck
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