Jarlaxle
New England
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bkirkpatrick wrote:RinconVTR wrote:Then, on the same site, look at the top fastest towing times up the same mountain and also 0-60 times. You will be surprised to find mostly gassers, of course one being the Ford F-150 EB.
Yes but at what RPM? Engines don't survive at higher RPM's
Assumes facts not in evidence.
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bkirkpatrick
Brea / Orange County, CA
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Facts not in evidence? Here we go. More gas high RPM fans to do the same as low RPM diesels.
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Hannibal
Tampa Bay Area
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bkirkpatrick wrote:Facts not in evidence? Here we go. More gas high RPM fans to do the same as low RPM diesels.
What's high rpm and what's low rpm? I can pedal my bicycle about 70rpm for several miles before I give out. At what rpm do you suggest an engine won't survive? 2000rpm is a blur. You can't see it, much less pedal it. 4000rpm is also a blur. What makes 2000rpm "low" rpm in your mind? Compared to a 19000rpm Formula One race car, 4000rpm is real close to car and pickup truck size diesel rpm. During R&D, Chrysler ran the 5.7L Hemi 300 hours at full throttle, full load peak hp rpm. Upon tear down, only normal wear was observed. Nothing melted or broke. I gave my 5.7L Hemi no mercy. At 120k miles when I traded it, it still ran like new, burned no oil and had good power. It saw 4500rpm any time it needed it. A roofing company bought it and I still see it occasionally out working hard. Because one is afraid of 4k rpm doesn't mean it's killing the engine.
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Steakman
Calgary, Alberta
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I don't know what kind of diesel it is that runs @ 4000 rpm...at cruising speed of 75-80, mine runs at a nice 1950 rpm...when shifting I rarely go past 2500-2700 rpm...and only when I really need to.
I would hazard the opinion that most diesels rev similarly...and not in the 4000 rpm range.
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Hannibal
Tampa Bay Area
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Steakman wrote:I don't know what kind of diesel it is that runs @ 4000 rpm...at cruising speed of 75-80, mine runs at a nice 1950 rpm...when shifting I rarely go past 2500-2700 rpm...and only when I really need to.
I would hazard the opinion that most diesels rev similarly...and not in the 4000 rpm range.
Who suggested diesels run 4k rpm?![[emoticon]](http://www.coastresorts.com/sharedcontent/cfb/images/scratchead.gif "scratchead")
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transamz9
Lawrenceburg Ky
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Hannibal wrote:bkirkpatrick wrote:Facts not in evidence? Here we go. More gas high RPM fans to do the same as low RPM diesels.
What's high rpm and what's low rpm? I can pedal my bicycle about 70rpm for several miles before I give out. At what rpm do you suggest an engine won't survive? 2000rpm is a blur. You can't see it, much less pedal it. 4000rpm is also a blur. What makes 2000rpm "low" rpm in your mind? Compared to a 19000rpm Formula One race car, 4000rpm is real close to car and pickup truck size diesel rpm. During R&D, Chrysler ran the 5.7L Hemi 300 hours at full throttle, full load peak hp rpm. Upon tear down, only normal wear was observed. Nothing melted or broke. I gave my 5.7L Hemi no mercy. At 120k miles when I traded it, it still ran like new, burned no oil and had good power. It saw 4500rpm any time it needed it. A roofing company bought it and I still see it occasionally out working hard. Because one is afraid of 4k rpm doesn't mean it's killing the engine.
300 hrs is like 15,000 miles. There should not have been any wear. Heck, it shouldn't have been broken in yet.
The F550 I drive at work runs 2750-3000 RPM day in day out loaded very heavy. I believe it is right at 65,000 miles right now and runs like new. Run your gasser at 30,000#+ at 4500-5000 loaded that heavy for 65000 every time you take it out and tell me how it fares. This is the wonderful 6.0 also.
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Slownsy
USA
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My 6.2 l gasser runs at same belove 2000 rpm down the Road .
Frank
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Taco
VA
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The pickup truck diesel engines will never last at their screaming 3000 rpm redlines.
A class 8 truck runs 2000 rpm. A diesel locomotive runs 1000 rpm. A container ship redlines at 100 rpm. These high speed light duty little truck diesels will surely fall apart with their high rpm operation.
On the other hand you diesel owners had better never ever fly in a plane. With the internal blades of the jet engines spinning 13,500 rpm it is a wonder they can even make one flight. Then the stupid engineers think that it is due for it's first overhaul at 20,000 hours of flight. Year every diesel head on here knows that it will fail in no time flat.
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transamz9
Lawrenceburg Ky
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Slownsy wrote:My 6.2 l gasser runs at same belove 2000 rpm down the Road .
Frank
Load your 6.2 to gross 30,000+# and see how much you see 2000 RPM.
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transamz9
Lawrenceburg Ky
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Taco wrote:The pickup truck diesel engines will never last at their screaming 3000 rpm redlines.
A class 8 truck runs 2000 rpm. A diesel locomotive runs 1000 rpm. A container ship redlines at 100 rpm. These high speed light duty little truck diesels will surely fall apart with their high rpm operation.
On the other hand you diesel owners had better never ever fly in a plane. With the internal blades of the jet engines spinning 13,500 rpm it is a wonder they can even make one flight. Then the stupid engineers think that it is due for it's first overhaul at 20,000 hours of flight. Year every diesel head on here knows that it will fail in no time flat.
I believe this thread is about Diesel vs Gas internal combustion engines. They have basically the same moving parts. Jet engines are no way comparable.Very few moving parts. BTW, the 6.0 don't redline at 3k.
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