2 valve vs 3 valve

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Jun 13, 2011 | 06:28 PM

#16

dkf

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Joined: Mar 2007

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From: Pa

Quote:

Originally Posted by jc8825

Where are you getting your numbers? I have not seen these numbers. 2V 6.8 is 310/425 and 3V is 362/457 with is approx 50 hp/30 tq.

The NPI numbers are not as published as the PI numbers because the NPI engines were only in the SD for one MY.(1999) I have an old Motortrend article and I remember the specs. I was the one that talked my old man into checking the V10 box off back in 98' when he ordered his first one. Boy was he pissed when the 2000 MY trucks came out and Ford added the PI engines and upped the power to 310/425.