PROJECT LOOKS. MUS­CLE. LONGEVITY

PART FIVE: UP­PING THE SUS­PEN­SION

Diesel World - - Contents - KRYPTONITE PROD­UCTS Kyp­toniteprod­ucts.com 530.957.6234 MICKEY THOMPSON TIRES Mick­eythomp­son­tires.com 330.928.9092

Part Five of our on­go­ing 2012 LML Du­ra­max saga fi­nally digs into to mak­ing this thing look bet­ter while of­fer­ing a lit­tle more off-road ver­sa­til­ity with a lev­el­ing kit, new shocks and some new hy­brid all-ter­rain tires on matte-black 20-inch wheels. The fac­tory 18-inch wheels had vir­tu­ally brand-new Miche­lin tires on them, but this shim­mer­ing gray­col­ored truck was lack­ing some se­ri­ous style and it’s amaz­ing how far the right wheel/tire combo can take a truck.

In the ear­lier parts of this build—see the last four is­sues of Diesel World for com­plete in-depth in­for­ma­tion—we took this higher-mileage used Silverado 2500HD from a bone-stock truck with a camper shell to what you see now. We’ve up­graded the in­take and ex­haust with a Jam­mer 2 kit from Edge Prod­ucts and in­stalled new tun­ing and an in-cab color mon­i­tor for bet­ter mileage, throt­tle re­sponse and power with the Edge Evo­lu­tion CTS2. Part Two brought bet­ter air­flow with a 3-inch high-flow in­ter­cooler tube from De­viant Race Parts, and we ditched the camper shell in ex­change for a Bestop Ez-roll ton­neau cover so we can hook up to a goose­neck trailer while still be­ing able to pro­tect stuff in the bed. In Part Three we in­stalled the FASS Ti­ta­nium 165gph fuel lift pump to help with fuel fil­tra­tion and take some load off the fac­tory CP4 in­jec­tion pump. Last month was gen­eral main­te­nance time with a trans­mis­sion ser­vice for the 6-speed Al­li­son, swap­ping out the fil­ters for new ones and adding a deeper trans­mis­sion pan and a trans­fer case brace from Mer­chant Au­to­mo­tive. While the trans pan was off we also added a Shift Solenoid fooler from De­viant Race Parts to up the line pres­sure within the trans­mis­sion so it could

 The days of the fac­tory raked stance and high­way tires will soon be be­hind us. With a Kryptonite Prod­ucts Stage 3 lev­el­ing kit, some 285/55R20 Mickey Thompson ATZ P3 tires and 20x9 SD-5 wheels about to be in­stalled, this 2012 LML project is go­ing to fi­nally start look­ing the part.

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