The GM Meduim Duty Trucks (18,000-61,000 lbs. GVWR) use a Caterpillar 3126B turbo diesel. Most Caterpillar engines are upgradeable with different turbos, pistons, injectors, etc. A frind of mine with a 3406 will br upgrading from 425 HP to 525 HP with a turbo and injector change. The 3126B is 7. 2L, and is available with ratings from 175 to 330 HP.
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Evan A. Beck "NW PUNK"
Prez, NW BOMBers
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'01 2500HD 4x2 QC, 139" WB, 6-speed, ETH, SLT... yadda yadda yadda... K&N, 3" "PIPE BOMB", 6-way turn signal conversion, aux. backup lights, Line-X, Mopar rubber mats, Cummins badging.
4,260 miles and counting! Look for me on AOL as “Beck2500!”
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[This message has been edited by Evan A. Beck (edited 06-21-2000). ]
Attention: TDR Forum Junkies 
