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Old 05-18-2007, 02:46 AM   #35
Billla
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Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,814
Re: vacumm advance question

Quote:
Originally Posted by bryanw1968 View Post
Everything I've heard, read, seen, experienced says the vacuum advance should be hooked up to ported vacuum not direct.
This gets into a discussion about overall timing - initial, mechanical, vacuum...and the build level of the engine.

Here's the best explanation I've ever seen from a VERY HIGHLY respected tuner.
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File Type: pdf vacuum_explained.pdf (116.8 KB, 455 views)
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