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Re: [GMCnet] 4.8 MPG [message #324250 is a reply to message #324039] Fri, 22 September 2017 22:12 Go to previous messageGo to previous message
BobDunahugh is currently offline  BobDunahugh   United States
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma:
Senior Member
A comment was made about. It's were you drive. This is extremely true. Randy Van Winkle, myself, and many others live here on the great plains of the Midwest. There are areas that the only way to build an on ramp for an over pass. Is dig a BIG hole to make the ramp. A high point on the far horizon are from two ground hogs digging holes too close to each other. Thus changing the states topography maps. Randy explained this lean burn concept to me in more detail then I could clearly comprehend. Randy had also programed my engine control module ECM for my EFI system sometime back. Randy REALLY knows this stuff. Put the EFI in. Ran great on the 538 mile trip here to the GMCMI event. Plus he said that he could fine tune it closer to my engines needs. As the cam had a different profile then the stock engine the system was first bought for. And that he did this morning. Went a few blocks to I80. Ran even smooth with great throttle response, and performance. With it's self learning part completed. Need the EBL next. Thanks Randy so much. Bob Dunahugh
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