Reply to "Idle Vaccuum"

panteradougMember

A 292 will probably give you about 12 at low idle. I wouldn't be shocked to see 10.

You need to run as much initial advance as the engine will tolerate to bring up the idle vacuum.

You also need to verify that the power booster isn't leaking.

You need to run the engine have a connected vacuum gauge handy and operate the brakes.

When you step on the brake pedal the vacuum should drop momentarily. Probably about 4 inches.

If it doesn't change the reading, the vacuum booster has a leak.

11/11/155:01 PM

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