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spuggy spuggy is offline
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Join Date: Jul 2003
Location: Glorious Pac NW
Posts: 2,835
Originally Posted by 911st View Post
Can anyone help me better understand how some are running boost in the 20 lbs/inc and even 30's?
Some systems (like the 930) quote boost relative to atmospheric, e.g. the amount of positive pressure over atmospheric.

Whilst other systems (like the 951) quote boost as absolute pressure - relative to the vacuum that would otherwise be in the manifold on an N/A car at WOT.

Which is why the factory 951 boost gauge goes up to 2 bar (29.4 PSI)
'77 S with '78 930 power and a few other things.
Old 04-12-2009, 10:07 PM
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