fordforgotten had an excellent write up on this modification as does the originator of this mod joe servo, I dont have the links handy but google the name "joe servo idm" and you should find what you are looking for.
97 F250 X-CAB, LONGBED 4X4 w/ 38R and 5" SD Exhaust,DIY Tymar intake, hx hose, 203 stat, stage3 injectors, Beans Fuel system, Arp headstuds D60 w/Sky's rsk and shackle flip plus 4" lift springs, other mods include 5.13 gears arb front and detroit rear plus purple cranium products diff covers and gaurds, ATS s5 trans, bushwacker cutout flares and more to come.
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