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roxanne68 roxanne68 is offline
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Join Date: Aug 2005
Location: New Brighton, Minnesota
Posts: 37
Originally Posted by fredmeister View Post
Great logical testing approach. I just wanted to see what you got for results for 1 important configuration missing from the matrix on ports and timing effect.
Port 1 under vacuum and Port 2 under boost?
Reason I ask is that this is an easy set up to configure with vacuum hoses and there is a history on this board concerning previous posts on this subject and it would be intersting to see what your test results show.
good stuff this discussion.

Thanks Fred
no need to test, if port 1 under vacuum and port 2 to atmosphere produced retard, adding pressure to port 2 will only push it against the stop with greater force, but is is already max'ed out at 8 degrees retard, so there would be no change.

'81 Euro SC coupe, 79 3.3 930 engine, 930 transaxle, B&B full dual outlet exhaust, 964 intercooler, 964 cams, CIS injection, K27 7006 turbo. '08 Triumph speedtriple. '06 BMW 330xi
Old 11-03-2011, 06:13 PM
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