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View Poll Results: Which Engine Is Best - Gasoline Or Diesel?
Gasoline 16 34.04%
Diesel 31 65.96%
Voters: 47. You may not vote on this poll

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Old 12-23-2003, 10:52 PM
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Gasoline vs. Diesel

Okay..Here's the post where we can throw all of the pluses and minuses around about the differences between Gasoline and Diesel engines.Which is better of the two?Of course,if they're properly maintained,diesel engines will normally outlast a gas engine.But,gas engines are cheaper to rebuild when the time comes,that's for sure.

I started a thread in the Lounge titled What An Urge... about getting the idea of purchasing an F-350.Now,one from the early 80's will give me a choice of either a 460 gas engine or a 6.9L diesel engine.So,I curiously called Auto-Zone,quoting prices on both engines as rebuilt long-blocks.

Rebuilt 460 Long-Block = $2,000
Rebuilt 6.9L Long-Block = $5,000

See the difference?

But,then again,diesels are stronger and more times longer lasting than gas engines.This post all comes down to 1 thing..Towing Power.

The diesels are better for towing,that's for sure.So which should a fellow go with?Big-Blocks will guzzle the fuel on a trip to pick up a vehicle or something,while a diesel will get about twice the fuel economy that the big block will.

Let's just throw around some ideas between the two.Share some past stories or experiences with either of the two engines in towing and maintenance situations.

Any insight is appreciated.

Nightrain

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Old 12-23-2003, 11:03 PM
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I like diesels for some things and gasoline for other uses.
I'm sitting on the fence!
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Old 12-23-2003, 11:04 PM
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I hear ya..Hard choice ain't it!?

Nightrain
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Old 12-23-2003, 11:45 PM
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Diesel has a higher BTU content than gasoline and can sustain almost unlimited compression before self igniting. What more could you ask of a fuel. I sometimes wonder why they produced gasoline in the first place, I guess the oil companies needed to get rid of all those lighter hydrocarbons somehow.

Gasoline FAQ.
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Old 12-23-2003, 11:49 PM
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Thanks for that link 4 Jaw.That should help some ...

Nightrain
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Old 12-24-2003, 04:08 AM
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That's a tough call nightrain , to totally different types of engine where one will always be better than the other depending on the application(if that makes sense )

I got a Peugeot wagon with a 2.1 turbo diesel and I drive it like I stole it , can sit on the motorway all day long at 100mph and still get 40 mpg and it's done 140,000 miles. On the other hand I wouldn't want to take it drag racing
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Old 12-24-2003, 06:56 AM
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Can't beat the longevity of the diesel. I maintain a small fleet of 11 ambulances. they are the Fords with the 7.3 diesel. I have a combined total of almost 2,000 ,000 miles on these vehicle and so far have not had to pull a head on any of them. Start, run and get decent mileage in moving the E-450. We couldn't get that kind of service out of the gasoline models we used to have.
Father-in-law used a Ford with the 6.9 for towing a fifth and motor home and he went back to 460 gas. Like the performance of the 460 but back then the 6.9 wasn't very strong. The 7.3 turbo diesel a good amount of punch. In my humble opinion the dependabilty of the diesel in larger vehicles outweigh the gas engine. But it is all personal preference. Have a good one!
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Old 12-24-2003, 07:26 AM
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My dad has a 6.9L it's weak.
you need a turbo diesel.
turbo gets you better MPG when not on the pedal.

I like the fact that a F350 with 32" mud tires ran 11.4 in the quarter with a twin turbo cummins diesel. the truck land speed record was a cummins that put out 700hp and 1300tq and they made 20MPG on the trip to the salt flats.




marcus
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Old 12-24-2003, 08:18 AM
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The ford 80`s diesels are nothing special,like the above post says the turbocharger is what really woke the diesels,I dont know if this is a option where you live but we have done a lot of 460 propane conversions,its very effective especially if you build the motor specifically for propane i:e get the compression up,propane is 110 octane.
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Old 12-24-2003, 10:04 AM
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Thanks for the advice everyone.I have heard some people say that the 6.9L in the earlier Ford's is not the strongest engine in the world,especially since they had a problem with blowing head gaskets.Plus,like some of you said,they didn't have the turbocharger on them.

Yes,one engine is better for one thing,while the other engine is better for another.I was just trying to find what would be the best to go with as far as maintenance and up-keep goes.It sounds like diesel is the way to go as far as longevity.

Does anyone have any pictures of internal diesel engine components,(i.e: pistons,sleeves,heads,crank,etc.)?I am curious to know what they look like,when I pretty much know that they're not really like gasoline engine components.

Thanks!!

Nightrain
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Old 12-24-2003, 03:47 PM
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This should keep you busy, be sure to visit the Kawasaki Heavy Industries page.

Here's a heavy hitter from Kawasaki.

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Old 12-24-2003, 03:49 PM
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Geez Louise 4 Jaw ...

What does that thing power...The Earth's rotation on it's axis!?

Nightrain
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Old 12-25-2003, 08:21 AM
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No argument on the benefits of the diesel over gasoline, but currently the repair costs of a diesel engine versus a gasoline are vastly more expensive.

My preference is gasoline for performance

Vince
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Old 12-25-2003, 09:24 AM
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Diesel if you are going to work it or drive long distance. Gas if you are just doing short jaunts or for performance.
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Old 12-25-2003, 09:37 AM
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This is not fair, you all are forgetting that in atomized form(fuel injection, carburated) gasoline only burns at 20-30% eff.

Gasoline in vaporized form can get way over 100 MPG and doesnt pollute.

Diesel on the other hand is dirty, costly in filter replacements and is not healthy for humans. In some cases there have been reports of diesel fumes causing heart attacks. Diesel also only burns as a liquid, there is no improving gas mileage on a diesel.

Gasoline is the way to go!
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