Join Date: Apr 2012
Location: Lake Worth
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Aretoo... I have the Atlas 40 and both of those tunes. The only difference is I am not studded and had Tony tune the Extreme for my Powermax. Pre Pmax and PHP Gryphon however, I ran the Street tune. My truck had incredibly great manners around town and no lightswitch effect on the freeway, EGTs never really got past a 1000 at WOT. So when the Pmax came about, it of coarse needed the proper tuning, so I hit Tony up for the Extreme tune a little smokey, takes off like a bat out of hell when you when you give her the wood, and I don't know how to describe it, but my truck seems responsive whenever I hammer it from any speed... After adding the Atlas 40, it definitely more smokey but the throttle response, acceleration is awesome. MPGs are about 16 on the highway with the Extreme then again my set up is different. Spoiled by the Extreme, I am just going to run that, if I am easy on the throttle, I don't blow lots of smoke in town in stop and go traffic. I just got a billet wheel for my Pmax, so hopefully some of the smoke and EGTs will drop, it's going in as soon as I get done typing. Oh, and I also found that I like the shifting on both tunes, a little firmer than stock but not too aggressive. My advice...try them both, they are only $40 a piece, so why not?
Chris- 2006 XL F250 4×4 LBCC, it's a work truck dammit.
Holder's 190/30s, custom reg return, 6.7 pump fuel system, custom built Amsoil oil bypass, custom ported intake and custom stage 2 GT4088 turbo, all built by me, Rudy's uppipes, Coolingmist methanol injection, studded, deleted and oringed heads with some BPD goodies...
Special thanks to Loxdce for helping me get it together...