Compression Ignition Addict
Join Date: Jan 2007
Location: New Orleans
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Before I bash Gearvendors I would like some of yalls opinions.
I just put the Gearvendors O/D on and went on a long haul. 70 mph on cruise 11.16 mpg loaded with a gross weight of 15,600 lbs. I thought not bad since I was getting 10.5 mpg empty.
90° temp outside, EGT 820-880°, Trans 172°, Boost 7-8 PSI and Water 198-202°.
Empty was 12.75 MPG same 70 MPH cruise. Same outside temp, EGT 790-830°, Trans 169°, Boost 6-7 PSI and Water 196-198°.
This was on the 165 hp canned tune. When I fill up it is pouring out pure diesel, no foam. That way I know it's full. All calculations are done by hand.
What gives 2.25 MPG for $3250, come on there has to be a reason why I'm not getting the 14-15 MPG that I was promised.
Any suggestions PLEASE!
Last edited by oxman202; 07-12-2008 at 06:10 AM.
Reason: wrong title