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Originally Posted by SmokingSS
On the cummins motor, the 12v is more desirable than the 24v? I was always told the 24v was better. What would be the primary mods to a 12v motor to get noticable power improvement? I assume fuel pump plate, injectors, turboback, and air intake.
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12 valve cummins is cheaper to modify basicly injector nozzles some pump modifications and its all mechanical if you know what your doing with injector pumps you can really get some magor power increases outa them. 24 valve is all electronicly controled injectors, instead of builing to 30,000 psi from a mechanical pump the electronicly fired injectors use an extra lobe on the cam and basicly are an internal pump themselve but that leves little room to play with timing unless you buy a cam and that could get expensive.
Most tractor pulling trucks use the 12 valve engines.
another reson would be there are no wires needed to run the engine wich means very clean engine bays
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(86 Fiero GT-2.8 4spd.)
(88 Dodge Dakota w/ \'97 318 5spd.)
(82 Chevy Silverado -Crew Cab, Dualie w/ 11ltr Caterpillar 3208 diesel out of concrete pump bolted up to TH400 w/ 22% overdrive.)
1995 Pontiac bonneville daily
