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Old 05-14-2008, 09:43 AM   #15 (permalink)
tamatt27
3.9 Liter V6
 
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Join Date: Apr 2005
Location: Austin,TX
Posts: 808
Re: The Coming Pickup Truck Powertrain Dilemma

I wonder is GM has seriously looked into a DI 6-cyl gas engine for the trucks... Direct Injection is more fuel efficient AND produces more power, why not have a DI V6 take over the roll for the 5.3? Have the DI V6 (gas), 2-mode 5.3 V8 (gas), small diesel, Duramax?
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