1997 Chevy K2500HD Ext/SB 6.5TD VIN F, 4L80-E, G80, 8 Lug, Heath reflashed PCM, optic bump (-1.6), top mount intercooler, Dipaco FSD with cooler, #9 resistor, Autometer gauges, homemade manual boost controller - 14 PSI, hi-flow intake with Fram Boost filter, 3" SS downpipe, 4" straight back SS exhaust, SS x-over pipe, 180 degree SS thermostats, high idle switch, ProComp add-a-leafs, mixed diesel additive, GM Enhanced OBD-II data acquistion, DieselPlace.com stickers
201,000 miles, 17-18 mpg, 10-12 mpg towing 4 tons ... 216.85hp/428.64ft-lbs --- 225.28hp/419.81ft-lbs
Lots more info in my very informative Garage, take a look.
Godfather of the 6.5 Chat Mafia
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Founding Member of the Maryland DP Club