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Old 06-07-2004, 05:04 PM   #1
1968GMC
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Timing for a 350???

What should be set at?cam is edelbrock 2102 in case you need this imformation.
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Old 06-07-2004, 09:09 PM   #2
bigjimzlll
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start at 10º BTDC with the vacuum advance disconnected and plugged
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Old 06-07-2004, 09:19 PM   #3
kwmech
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With the good quality fuel lately I have been finding the need to turn the timing down on a couple of my trucks to keep them from pinging. My big bock is at 2btc at the moment. and my small block 400 is at 6btc
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Old 06-07-2004, 10:00 PM   #4
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if you are running an HEI dist, i agree that 10 btdc would be a good starting point.....i am running "chit" fuel also, & set 6-8 up on my 383. The sb has an old points dist, with a Pertronics conversion & coil. there is much more mech advance in the old dist vs the HEI (20 degrees on the HEI, but i have 26 on the old dist!) I would need to time 12-14 up on an HEI, to have the total that i have on the point dist @ 6-8 up.....crazyL
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Old 06-07-2004, 10:04 PM   #5
Mountain Man
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What direction do I turn the distributor to Advance timing. i.e. clockwise or counter. Second question is on the harmonic balancer timing plate, does before marks mean advanced, or the after marks?
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