Gas vs PSD
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
you are right on the money there Krewat, just went out in the bay, grabbed the wheel chock from the pumper next to it, flipped it around backward, placed it under the drivers side front tire and tried to climb it in 4 HI, tach made it to just below 2K and she just sat there sweating.
How much crap is on the back of this truck?
Elder User
Joined: Dec 2009
Posts: 882
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From: Ohio
Honestly that's not much of a wager, or very fair. Tuners for gas generally only make modest gains in power at best, but do a very good job of managing fuel, shift points, etc. Tuners for diesel on the other hand can add stupid amounts of HP and TQ, along with managing shift points, etc.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
And if you put a blower, a turbo and/or nitrous on a 6.2, it'd eat just about anything for lunch, breakfast, and dinner, and a midnight snack or two 
Elder User
Joined: Dec 2009
Posts: 882
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From: Ohio
Yeah, but if you put a blower, another turbo, some nitrous, and another 6.4 on a 6.4 you'd eat..........
Senior User
Joined: Oct 2008
Posts: 179
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From: Goose Creek, SC
I think it would eat itself before it could eat anything else at that point.
Elder User
Joined: Jan 2010
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From: Pa
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Tuned
Joined: Feb 2008
Posts: 329
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From: Full time RVer
This orange tastes NOTHING like that apple.
Thread Starter
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Modular motor junkie
Joined: May 2009
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From: Texas
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
Why is that not believable?
Yes the 6.2l has a tune, however it doesn't really increase the crank power output by much just allows some more of that power to get to the ground. Compare the GCWR of the 6.4l 3.73 to the GCWR of the 6.2l with 4.30s you will see the ratings are close.
Yes the 6.2l has a tune, however it doesn't really increase the crank power output by much just allows some more of that power to get to the ground. Compare the GCWR of the 6.4l 3.73 to the GCWR of the 6.2l with 4.30s you will see the ratings are close.
Posting Guru
Joined: Mar 2008
Posts: 1,537
Likes: 0
From: Dongola, IL
Honestly that's not much of a wager, or very fair. Tuners for gas generally only make modest gains in power at best, but do a very good job of managing fuel, shift points, etc. Tuners for diesel on the other hand can add stupid amounts of HP and TQ, along with managing shift points, etc.
Delete the emision garbage on the current 6.7, or the 6.4 for that matter put a tuner on them and you will outpull any gasser by a long shot......
I guess my point is: That comparison between "Crazy001" and the guy with the 6.2 was not an equal race, too many variables= terrain,load wieght, wind resistance, tuned vs. stock, bumper hitch vs. fifth wheel,......
Get a stock 6.7 and a stock 6.2 with the same trailer and load, down the same road, and you would get a much more accurate comparison.
Posting Guru
Joined: Aug 2007
Posts: 1,317
Likes: 0
From: Auburn, Wa
Posted this in the ECOBOOST thread. But I figured it would give us something new to argue about.
Why not both?
Develpers at the University of Wisconsin-Madison:
They devolped an engine that was a Gas/Diesel Hybrid. Basically they took a diesel engine and through out the fuel curves they programed and added Gas.
The engine Had Near 0% emmisions, And the Thermal efficiency was 60%.
The engine also requires lower injection pressures 7,000ish-12,000ish.
Most current diesels can be converted easily by adding Gas tank, Common port injector and a control module.
NO EMMISIONS EQUIPMENT!! The emmisions on this was Well below current regulations. Bio diesel and E85 is expected to have higher Thermal efficiency. <!-- / message -->
Why not both?
Develpers at the University of Wisconsin-Madison:
They devolped an engine that was a Gas/Diesel Hybrid. Basically they took a diesel engine and through out the fuel curves they programed and added Gas.
The engine Had Near 0% emmisions, And the Thermal efficiency was 60%.
The engine also requires lower injection pressures 7,000ish-12,000ish.
Most current diesels can be converted easily by adding Gas tank, Common port injector and a control module.
NO EMMISIONS EQUIPMENT!! The emmisions on this was Well below current regulations. Bio diesel and E85 is expected to have higher Thermal efficiency. <!-- / message -->