Compression Ignition Addict
Join Date: Sep 2013
Thanked 11 Times in 11 Posts
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The butt dyno is almost never accurate since your head starts to come into play too much. Simple answer is a before and after dyno on the same dyno. Assuming you didn't do a before, just chaulk it up to you being crazy and call it a day.
2005 F-250 CCSB 6.0L: SCT X3, IDP Tunes, CTS Insight, 2.5" Leveling Kit, 35" Toyo's, 20" KMC Wheels, Rancho 7000's, EGR Delete, ARP Studs, Updated FICM, Built Tranny, '03 Turbo, 3" Downpipe, 4" MBRP Exhaust, Blue Spring Mod, 20" Lightbar, Door Seal Mod, BedRug, UnderCover Flex Cover, Badges Shaved, Painted Grille, Handles, & Mirrors, HD Headlights, Tinted Tails, 5% Tint
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