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Old 10-02-2007, 09:56 PM   #18
Blues13
Zilvia Junkie
 
Join Date: Jul 2003
Location: OC
Posts: 435
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So I got the Datalogit installed and I happen to notice that one of the settings, ignition vs. airtemp, showed that at 50C it would retard ign. by 3 degrees. Could 3 degrees be enough to lose 18rwhp?

That brings me to another question - I recently moved the air temp sensor from the intake piping into the manifold. When it was in the piping, the temp was in the ambient-40s, in the manifold, it ranges 40s-60s. In the manifold is where Apexi suggest although it seems like the manifold is absorbing a lot of heat. Just idling for a prolong amount of time on a cool day is enough to raise it over 50. On a warm day it will go over 60.

The piping on the cold side is still cool to the touch, so the air is actually much cooler than the temp sensor indicates. Is this normal and is there any adverse effects to raising the ign retard setting to 60 or 70?
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