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Old 01-22-2006, 09:05 PM
KONADOK KONADOK is offline
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Chevy 350 Timing

Aloha xntrik, poncho82, onovakind, engineczar

Thanks for all the good help. The tip on "rotor phasing" I think it helped the most. I moved the distributor over one notch on the oil pump drive. The timing mark is now about 8-10 degrees closer to the pointer, almost straight up and almost hidden by the water pump. I am checking it at around 800 - 1000 rpm with the vaccum advance disconnected and plugged. The motor runs better.

My next move is try "manual timing". Here's how a friend explained how you do that:
1.) retard until it runs rough at idle,
2.) advance to where it smooths out,
3.) run to 160F - 180F and listen for pre-ignition pings going uphill in drive,
4.) if there is pinging, retarded it a degree or two.

Two questions:
1. Is that a good way to do it?
2. Would moving the distributor another notch make things better yet or would it make them worse?

konadok
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