PSDExcursion
Millstone NJ
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Quote:Quote:BS, show me a gas engine the size of this diesel .
Show me where I said that there were bigger gassers than diesels, joe. I simply pointed out that there have been and still are large heavy duty gassers out there.
Bert
I bet there isn't a HD truck mfg on the planet making gas powered trucks. In fact outside the US diesel is taking over even the light duty truck market like the Dodge/MB Sprinter,VW and Ford Transit Van.
2002 Chevy Express 3500 8.1 155" WB passenger van
41 Ft 2003 Thor Citation 41-ZBSR TT w/ Hensley Arrow
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PSDExcursion
Millstone NJ
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Quote:and Mr. Force's engines are, last time I checked, around 3500 HP.
That was 20 years ago when they were hitting 260MPH now both TF and FC are hitting over 330MPH with 8000HP .
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BertP
Edmonton, Alberta, Canada
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Joined: 11/07/2003
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Quote:Don't try to weasel out of this over the cooling system, so what if the 6.0 had a larger cooling system ?
I'm not trying to wweasel out of anything. I commented on the fact that the 6.0 has a smaller cooling system capacity than the 8.1 when they are installed in a Suburban in spite of thefact that the 6.0 makes more power than the 8.1 in that installation. I also asked why the 8.1 engined Sub is rated higher than the 6.0 engined Sub. As we have seen in numerous posts, there's more to tow rating than just torque and HP. We have never been able to identify what they all are, but we have identified a few.
Bert
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BertP
Edmonton, Alberta, Canada
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Quote:I bet there isn't a HD truck mfg on the planet making gas powered trucks. In fact outside the US diesel is taking over even the light duty truck market like the Dodge/MB Sprinter,VW and Ford Transit Van.
No one has ever said that that is wrong. Where we tend to disagree is WHY that is true. You keep saying that it is because of torque. Consider, though, that if the 200 mpg carberator Rob mentioned in another thread was a reality, I could have a big rig with an engine that develops 500 HP @ 5000 rpm and gets around 50 MPG fully loaded. You can bet your bottom dollar that that engine would be a heavy duty design that will last just as long as any of today's diesels. If that were true, what kind of engine do you think would be in 100% of the big rigs? They would all have gassers. You cannot fight the economy issue. The gassers would be consuming less than 10% of the fuel that the diesels consume, so that's what would be used in the big rigs. As I mentioned earlier, it all comes down to $'s, not torque.
Bert
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BertP
Edmonton, Alberta, Canada
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Joined: 11/07/2003
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Quote:That was 20 years ago when they were hitting 260MPH now both TF and FC are hitting over 330MPH with 8000HP .
I guess I'm dating myself. But, at 8000 HP, that's even better. Since that engine sould be able to produce 3000 HP just off idle, it should last a couple of hours at that power setting before requiring a rebuild, so you may be able to make it over the Rockies after all ![[emoticon]](http://www.coastresorts.com/sharedcontent/cfb/images/biggrin.gif "biggrin")
Bert
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Ag Teacher
Oklahoma
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Did everyone look at this link that PSD provided in the 05 superduty topic: http://www.truckworld.com/Truck-Tests/05-Fseries_super_duty/05_f-superduty.html
Check out this quote:
Ford says that with the 5.4-liter, 3-valve Triton V-8 engine, the Super Duty now can tow up to 12,300 pounds—an increase of 3,000 pounds, making this economical powertrain very attractive for fleet and commercial users as well as consumers who only tow once in a while.
What do you know - even Ford admits that if you tow occasionally, the gas V-8 will do fine. And here I thought if you had anything larger than a popup, you were required to have a torque rating of no less than 575.
The 5.4 is rated for 365 pound-feet of torque. Isn't that about what the 7.3 diesels were putting out prior to the age of turbo chargers. Nobody thought anything about those old 7.3 and 6.9 liters pulling 12,000 pounds. Why is it so unbelievable that a gas engine can't do the same.
2005 Explorer by Frontier RV T265
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Jason S
Port Orchard, WA
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Joined: 06/24/2004
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Quote:Quote:
I know I can't speak for everyone, but after having owned a 1500HD gasser and now having a 2500HD diesel, I can honestly say that for pure driving fun, a diesel doesn't hold a candle to a gasser.
Bert
Gotta disagree with you here.
Just came back from a trip out to Long Beach on the West Coast of Vancouver Island. It is a nasty twisty road through the mountains that eats RV's for breakfast. Well, I had an absolute blast driving my 12,000 lb behemoth through those roads. The diesel with 6 speed was an absolute joy to drive. Between 4th, 5th and 6th I never lacked for power.
My last gasser would have been whimpering like a little baby.
I second this. I had a 460 EFI. Quick truck. Drove the V-10. My 6.0 is WAYYYY quicker than both of them. This will be my last diesel truck though not for that factor I explained it on page 8 or 9 or so. I ran my 6.0 PSD F-350 CC LB 4X4 (7267# with me in it on a certified CAT scale) against my 1993 Mustang Cobra 5.0. I only embarassed myself. My own truck smoke my mustang from 40-70 MPH. Any of you gassers wanna run my Stang?
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PSDExcursion
Millstone NJ
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Quote:The 5.4 is rated for 365 pound-feet of torque. Isn't that about what the 7.3 diesels were putting out prior to the age of turbo chargers. Nobody thought anything about those old 7.3 and 6.9 liters pulling 12,000 pounds. Why is it so unbelievable that a gas engine can't do the same.
Ford rates the 2004 255HP 5.4 E350 with 4.10's at 13,000 lb GCWR and the 2004 215HP 7.3 PSD with 4.10's at 20,000 lb GCWR so with 40 less HP the diesel is rated to tow 7,000 lbs more.
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wcinaz
camp verde az usa
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Joined: 08/16/2004
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thinking trading 95 350 chevy gasser for diesel.considering dmax or cummings. long time chevy fan dont know much about dodge.concerned about auto trans in dodge, unknown history of dmax.any comments?
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PSDExcursion
Millstone NJ
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Quote:thinking trading 95 350 chevy gasser for diesel.considering dmax or cummings. long time chevy fan dont know much about dodge.concerned about auto trans in dodge, unknown history of dmax.any comments?
The Hemi has more HP than the Dodge Cummins 600 so that would be the way to go for towing a heavy load. Same with Chevy and Ford, get the 335HP 6.0 over the Duramax and the 355HP V10 over the 6.0 PSD. HP is what you want to tow a heavy load.
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