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sjf911 sjf911 is offline
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Join Date: Dec 2006
Location: Idaho
Posts: 5,617
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I'll have to look but as I recall it is the plain spring on a 50mm Tial so -10 spring rate. My idle vacuum runs a MAP of about 40, max boost so far is 1.2 but currently under 1 until I can get the e85 sorted.
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Steve
Sapere aude
1983 3.4L 911SC turbo. Sold
Old 02-19-2014, 06:38 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #8 (permalink)