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Why 6.0s are so thirsty?

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Old 01-13-2018, 03:22 PM
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I have a 97 3/4 ton 4x4 with the 454. Besides your common wear items the truck has been bulletproof
Old 01-13-2018, 03:42 PM
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Originally Posted by big hammer
I have a 97 3/4 ton 4x4 with the 454. Besides your common wear items the truck has been bulletproof
That's music to my ears.
Old 01-13-2018, 10:25 PM
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Originally Posted by Tuskyz28
That's music to my ears.
They’re no race car but they pull pretty good
Old 01-13-2018, 11:06 PM
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I understand that the latest big blocks with MPFI and coil on plug ignition(all of this just like on LS's...) they got far better fuel mileage. Just shows what good AFR control and a good hot ignition can do to any engine.
Old 01-14-2018, 12:27 AM
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Hey Tusky...killer purchase. This i exactly what you needed to pull that Camaro!!

I have several customers that run or have ran this combo...(I live in ranch/farm country) They pull the $hit out of these things all day long. One of the only things I have had to do to these is replace leaking injectors. A couple of fuel pressure regulators. Other than that they are bullet proof.

Good find man.
Old 01-14-2018, 01:43 AM
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Thanks my friend

As soon as the weather breaks I plan on spending some time on the truck. I've seen guys paint the stock wheels black and replace center caps with some shiny ones. Then hopefully i can find me a full size spare tire snd rim and throw it in the back of the truck. It makes a day to night difference and it's a cheap upgrade that looks golden. I can't stand the cold and this winter here this year is just down right brutal. I just ordered a LMC catatalog. I'm up at 2 am looking at CD players. I'm go hang out in the audio part of this website and see if one of those "gurus" can help me a decision on a CD player cause cassete players are just worthless period.
Old 01-14-2018, 10:29 AM
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I've never been into the all-black wheel thing as it looks like a big black hole in the wheelwell. I DO like a black center with a polished or chrome (or silver painted) rim just to set it off, then a chrome cap and chrome lugs. But whatever you do will be fine! Have a good time with it!
Old 01-14-2018, 10:56 AM
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Originally Posted by G Atsma
I've never been into the all-black wheel thing as it looks like a big black hole in the wheelwell. I DO like a black center with a polished or chrome (or silver painted) rim just to set it off, then a chrome cap and chrome lugs. But whatever you do will be fine! Have a good time with it!
I'm not a fan of black wheels eithier... but here is a example of black paint can do with some nice shiny center caps.

Old 01-14-2018, 11:22 AM
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BOOM! You have captured the look I like! Get you some trim rings like on this truck plus chrome caps and you have it NAILED my friend!
Gotta say that black paint job looks mighty fine too! But that's another deal...
EDIT- looks like you have the rings on your truck????
Old 01-14-2018, 11:26 AM
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Originally Posted by G Atsma
BOOM! You have captured the look I like! Get you some trim rings like on this truck plus chrome caps and you have it NAILED my friend!
Gotta say that black paint job looks mighty fine too! But that's another deal...
EDIT- looks like you have the rings on your truck????
Yes I already have the rings... they just need a strong polish job or replacement. Here is another pic of that truck from another angle.

Old 01-14-2018, 11:32 AM
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Yeah. THAT is a good clean look!
Old 01-15-2018, 12:36 AM
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A 6.0 on a small sled could probably cruise at 800rpm very high speeds and achieve extremely high economy.

It isn't just the displacement of the engine that makes it thirsty.
Old 01-15-2018, 02:51 PM
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Originally Posted by kingtal0n
A 6.0 on a small sled could probably cruise at 800rpm very high speeds and achieve extremely high economy.

It isn't just the displacement of the engine that makes it thirsty.
I agree but I believe altitude plays a bigger role than what people think. Also I think the gas octane rating plays a big role as well. I think all 91 octane gas is not really 91 octane.... you may pay what 91 octane but a tester may reveal it's 85 octane. These gas stations are a rip off.
Old 01-15-2018, 04:44 PM
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Originally Posted by Tuskyz28
I agree but I believe altitude plays a bigger role than what people think. Also I think the gas octane rating plays a big role as well. I think all 91 octane gas is not really 91 octane.... you may pay what 91 octane but a tester may reveal it's 85 octane. These gas stations are a rip off.
Now alcohol is used to boost octane ratings. You can make garbage gasoline and use alcohol to raise the AKI. If you've ever run aviation 87 vs automotive 87, there's no comparison. Aviation 87 is like 87 done RIGHT
Old 01-15-2018, 05:05 PM
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Originally Posted by Darth_V8r
Now alcohol is used to boost octane ratings. You can make garbage gasoline and use alcohol to raise the AKI. If you've ever run aviation 87 vs automotive 87, there's no comparison. Aviation 87 is like 87 done RIGHT
Thanks for clarifying my statement. I be telling people that all the time about gas octane ratings and they look at me crazy like I don' know what I'm talking about.
Old 01-15-2018, 05:09 PM
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Anytime you add alcohol to gasoline, the energy content goes DOWN. I think this is what you both are getting at. The octane is probably close to true, but the power potential is down.
Old 01-15-2018, 06:01 PM
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Originally Posted by G Atsma
Anytime you add alcohol to gasoline, the energy content goes DOWN. I think this is what you both are getting at. The octane is probably close to true, but the power potential is down.
That's ALSO true. 10% alcohol is down 5% on total chemical energy per gallon vs pure gasoline. But gasoline at 87 cause its refined right is still better than 87 octane due to additives.

I'm serious. Run a tank of 87 aviation grade fuel. You'll see.
Old 01-15-2018, 06:21 PM
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Gotta be 85% ethanol to get your net energy consumable up
Old 01-15-2018, 06:49 PM
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Go to some gas stations the gas is yellow/gold color .... then go the next gas station down the gas will be clear as water. Both gas stations will claim/say the same exact octane rating.
Old 01-15-2018, 07:46 PM
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Originally Posted by Tuskyz28
Go to some gas stations the gas is yellow/gold color .... then go the next gas station down the gas will be clear as water. Both gas stations will claim/say the same exact octane rating.
Yup. But love that crystal clear stuff


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