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RazorRacer RazorRacer is offline
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Join Date: Mar 2002
Location: Houston
Posts: 1,075
More HP for SC owners

More HP for SC owners: If you start your car cold and it doesn't idle at 1800-2000 rpm for a few minutes and then drop to 950 rpm then you are missing some HP. Advance the timing to 10-15 degrees BTDC at idle with vacuum advance disconnected. Leave vacuum advance disconnected. Take a drive and feel the extra power. I drive with my vacuum advance disconnected at all times now.

History: My car started and idled at 950 rpm with 5 degrees BTDC at idle. I disconnected my vacuum advance and changed the timing to 15 degrees BTDC and now it starts at 1800-2000 rpm for a few minutes and then drops to 950 rpm.

Warning: The downside to this is that if you advance your timing too much it will begin to pre-detonate. This sounds like bb's being shaken in an aluminum can. Please be careful if you make this adjustment.
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Old 11-30-2002, 02:46 PM
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