2007 new body style 6.0 and forward have the 6 speed not the classic. That is the truck I'm referring to. I had 35" tires on my 07 for a test run on mileage before I bought the 2015 from midstate sc to the business section of savannah thru all the lights and drive thru back to midstate sc 246.17 miles burning 17.52 gallons at top off and tracked it with 2 gps devices because the speedo was off from no recalibration. The 14.5 I spoke off was a constant for 2 years of using it loaded down with tools going to jobsites
Thanks for the inaccurate history lesson...The base engine is the Vortec 6000, a 6.0-liter V8 (366 cubic inches) that generates 300 horsepower and 360 foot-pounds of torque at 4000 rpm. Introduced for 1999, it's designed for a 200,000-mile operating life with 10,000-mile oil change intervals. Its aluminum cylinder head is similar to that of the L56 Corvette. That's from way back in 2002. So what you're telling me is increasing fuel pressure to extreme heights causing excessive cylinder heat , blowing head gaskets and changing shift firmness to jerking points causing excessive wear and instability on how the internals are applied doesn't mean a thing. Well I guess you got me. I must don't know a thing about mechanical principles. Tell me does Viagra make you feel like a real man
Lol, ok2007 new body style 6.0 and forward have the 6 speed not the classic. That is the truck I'm referring to. I had 35" tires on my 07 for a test run on mileage before I bought the 2015 from midstate sc to the business section of savannah thru all the lights and drive thru back to midstate sc 246.17 miles burning 17.52 gallons at top off and tracked it with 2 gps devices because the speedo was off from no recalibration. The 14.5 I spoke off was a constant for 2 years of using it loaded down with tools going to jobsites
2015 Ike Gauntlet 2500 hd with 6.0 with 12000# trailer and 3000 payload. 7% incline 8 mile stretch wide open throttle the entire distance ended the pull in 10:38 at lower 42 miles an hour at mid 2 mpg for the run.
The same exact load on a 2015 3500hd with duramax ended 7:52 @55 mph and mid to high 4 mpg for the pull. That's the limits on what they can do. Yep the duramax won in time and mileage. At the same time there isn't many people that pull that kind load in that grade most of the time they drive a truck but they both made it fine. The new Ram hemi on the other hand went all the way down to first gear and 29mph. That won't last. My point being the 6.0 is very capable and isn't a dog. For the average driver the diesel isn't worth the extra money and won't recoup it by mileage gains with the ongoing price difference of fuel. Most people trade in before 100k and hardly anyone keeps a new vehicle past 200k. Of course the value at resale or trade is greater but hardly ever more than the original premium paid. If you're pulling much heavier loads often then a dually is really more your needs especially for safety. You can trick anything out for short runs even gas with 500hp shots of nitrous but any of that increases wear and cost $ if you don't see that you are foolish. Whether are not you believe gm designs the 6.0 for 200000 miles doesn't matter because they do. I can't wait till the grave digger gets some oil http://m.youtube.com/watch?v=YQ8fn3PvNhQ
http://m.youtube.com/watch?v=UuRg8ZkrxKM
CoCo, don't try to justify owning a Dmax. 95% of the members here don't need one including myself. I wanted one and I bought it. I didn't need to get married either but I like playing with girls.
Just spoke with my cousin with a 2012 cc/sb that just got back from key west towing his 23' hydra sports cc @ 75 mph the entire trip . It 741 miles down he filled up halfway and was empty when he got there. It came out to 10.9 mpg. I pulled a 23' Mako with my 07 6.0 about 250 miles 4 times @70 mph I got 8.6 everytime except once when I helped some people stuck on the beach. That makes the duramax 21.10% more efficient on close to the same load ( mine might have been a little heavier). Same speed same grade. The current price for gas and diesel here now is $1.79 gas $2.89 diesel. So if you do effective math diesel cost 38.10% more per gallon. So in all reality my truck effectively pulls the same load 17% more efficiently. So it costs him 17% more not less. Now if your area has the prices that can close that 38% difference then it will only be a wash. Maintenance aside but most including the 07 only requires oil changes every 7000 miles but that's another story. In your case to burn $800 in gas that means you burn 447 gallons of gas and with the price. Difference of 38.10% that means you're diesel would have to get 57.45% better mileage. Figuratively speaking 12 mpg vs 28.19 mpg. That's what I would call a lie
Just spoke with my cousin with a 2012 cc/sb that just got back from key west towing his 23' hydra sports cc @ 75 mph the entire trip . It 741 miles down he filled up halfway and was empty when he got there. It came out to 10.9 mpg. I pulled a 23' Mako with my 07 6.0 about 250 miles 4 times @70 mph I got 8.6 everytime except once when I helped some people stuck on the beach. That makes the duramax 21.10% more efficient on close to the same load ( mine might have been a little heavier). Same speed same grade. The current price for gas and diesel here now is $1.79 gas $2.89 diesel. So if you do effective math diesel cost 38.10% more per gallon. So in all reality my truck effectively pulls the same load 17% more efficiently. So it costs him 17% more not less. Now if your area has the prices that can close that 38% difference then it will only be a wash. Maintenance aside but most including the 07 only requires oil changes every 7000 miles but that's another story. In your case to burn $800 in gas that means you burn 447 gallons of gas and with the price. Difference of 38.10% that means you're diesel would have to get 57.45% better mileage. Figuratively speaking 12 mpg vs 28.19 mpg. That's what I would call a lie
Sincerely,
Theres pros and cons to owning both, but i will say this
No way no how can you get the same bang for the buck out of a gasser that you can with a duramax when it comes to a performance street truck...a tune and a trans will get you +230whp with a duramax diesel...just try and match that with a gasser
I can tell you from experience its just not possible to do for the same amount of cash, i played around with my LQ4 and I'm building an LS2 powered gasser right now...
CoCo, don't try to justify owning a Dmax. 95% of the members here don't need one including myself. I wanted one and I bought it. I didn't need to get married either but I like playing with girls.
My cousin spent $390 on fuel when I would have spent $329 . I'd say your speedo is calibrated incorrectlyI went thru 4 rebuilt 4l90ehd's and 2 transfer cases in my denali quadrasteer before I gave up and it was barely over 400 crank hp and it had less than 54k on the clock. Yea, I agree the 6.0 is tuff but the lack of tq and the crappy trans makes it no match for the dmax. Like I said mine got a solid 4.4 pulling my 26' cc at 75mph, every dmax I've had got at least 11.6, but who cares about 7 more mpgs on a 1200 mile drive right???
FYI, my lifted 15 lml gets 13.9 on 35's pulling the same rigg at 70. It gets a solid 20+ at 75 with 3 people luggage and a baby...
Obviously you didn't read the amount of miles we have on our service trucks. I'm contributing to the thread with real world mpg of various duramax models as well as Rams and 6.0s. I would for Fords if I had some but I don'tTry it at 75 mph like your cousin did and maybe your results would be a little more accurate. 5mph can be a huge difference in fuel economy. Especially with a gasser.
BTW, nobody here really gives a shit about what a 6 liter gasser gets for fuel economy. Not cause we don't want to hear it, but because it's a DIESEL site and we don't care.
We all know which one will still be running at 300 000 miles with the least amount of repairs. Hint: It WON'T be your gasser!
Again. Stop stirring the pot in a several years old thread.