Why does airraid say they make on to fit 04 gmc 2500hd diesels then??? I don't know my friend asked if they made them and I got to looking into to and they said they make them for that truck.
Diesels don't even have a throttle- they are wide open from the intake all the way to the intake valves, with the turbo in the middle. - They are run by computers and wire!
__________________ Chevy 04.5 LLY, 265s, shell, XDR, MikeL 6spd, TransGo, deep pan, blocked, fingered, de-badged, PVC, 65 Gallon Aero tank, PPE, LBZ- mod, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, Sirius, bags
A gas engine is a variable compression engine and a Diesel is a constant compression engine. Give or take boost ext
__________________ I have worked on engines all my life, spent 19 years at FreightlinnerI live in the Kootenay region of B.C. I have a 2007 NBS White 3500 GMC SLE Duramax Alison 17 inch aluminum SRW Crew-cab long-box White linex in the box and black in the wheel wells BW turn-over ball. all stock.
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I live in the Kootenay region of B.C. I have a 2007 NBS White 3500 GMC SLE Duramax Alison 17 inch aluminum SRW Crew-cab long-box White linex in the box and black in the wheel wells BW turn-over ball. all stock. 
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