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Old 09-03-2010, 05:24 AM
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Bryan59EC Bryan59EC is offline
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I have a 454HO in the 59
Disconnect the vacuum advance and set to 16 as low an RPM as possible

I run 16 initial and at 2500 I am about 36-38-----with the vacuum advance hooked up I am close to 50* at 2500.

I have a manual trans so my idle is set at 750, altho many set their
BBC idles at 900-1000 with automatics

What kind of vacuum are you getting at idle-----me--only about 10
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