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Old 05-08-2012, 08:43 AM
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60man 60man is offline
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Join Date: Jan 2002
Location: Northern Virginia
Posts: 8,430
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Quote:
Originally Posted by The Boss View Post
I've got the Superchips one & it does make a difference, but I'm only getting 16mpg on the highway unloaded with it.

Most of the time I'm running in performance-tow mode, not the full out performance mode.

It's a great truck - your going to love it.
I bought a old SuperChips and run in Tow Mode. Tried the all out set up and it flys..but would not consider it towing...asking for trouble with my A4OD tranny in my 96 PowerStroke. Towing my 9K trailer+ 2,300K camper I still manage 12 - 15 MPG..used to 16 -18-- I think reduction is due to wind reststance from camper..I think in a diesel it speed that kills MPG...not so much weight ?? My
I have got over 21 mpg dead empty..Honest Injun ) I think the bigger turbo down pipe and cold air box were best upgrades..& synsetic tranny fluid & gear oils. Still have cat converter.
The 7.3's are tuff..

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2008 Outlaw Pontiac Drag Series Champion
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69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far.. through mufflers. 1.26 60'.
Going back to track with pump gas engine....
My 60 Ventura retired to street/strip duty..