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Old 09-10-2009, 09:36 PM   #12
anijet
Senior Member
 
Join Date: Dec 2006
Location: Central California
Posts: 288
I just pulled CA to MO on I40 running 70 mph where legal and speed limit otherwise. Got a little over 10 mpg and had a head wind all through NM. You should be in the 12+ range with a 32' running 60. I've bumped timing, pulse width and boost with EFIlive but I don't think it made a lot of difference to MPG.

With the 5 speed let it run in 5th with T/H on. With the 6 speed 6th is a little too tall a lot of the time.
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