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Duffman · 03-17-2012, 12:56 PM

I had a guy on a forum (cant remember which one) tell me that he got the best mileage with his 6.6L Duramax with the least boost (& backpressure) on his turbo at cruise. He had one of those customizable programmers and could adjust his VGT with it.

03-17-2012, 12:56 PM	#3 (permalink)
Duffman Master EcoModder Join Date: Mar 2008 Location: Edmonton, AB, Canada Posts: 531 Thanks: 11 Thanked 12 Times in 11 Posts	I had a guy on a forum (cant remember which one) tell me that he got the best mileage with his 6.6L Duramax with the least boost (& backpressure) on his turbo at cruise. He had one of those customizable programmers and could adjust his VGT with it.