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Join Date: Mar 2003
Location: Edmonton
Posts: 697
Any sort of vacuum retard at low speed running is for emissions only (reduces NOx). You should be able to eliminate it without any ill effects. Turbo engines under load obviously benefit from ignition retard.

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Matt B
'73 911E
Old 12-31-2004, 07:26 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #41 (permalink)
What freekin Oil Leak?
 
TurboBert's Avatar
 
Join Date: Oct 2002
Location: Oahu
Posts: 177
.... and it goes without saying that you would need to set your timing at idle to about 11 degrees BTDC instead of the specified 5 degrees ATDC to achieve 29 degrees BTDC at 4k rpm if you disconnect and plug the vacuum advance (in my case anyway).

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Steve
'79 930 US

Last edited by TurboBert; 01-06-2005 at 09:57 PM..
Old 12-31-2004, 10:33 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #42 (permalink)
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