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Forum: General Efficiency Discussion 01-01-2015, 01:23 PM
Replies: 52
Views: 8,299
Posted By Frank Lee
The price spread more than compensates.

The price spread more than compensates.
Forum: The Lounge 05-10-2014, 09:24 PM
Replies: 6
Views: 4,402
Posted By pgfpro
10 Jokes Only Engineers Will Understand.

10 Jokes Only Engineers Will Understand. Who Says Engineers Don’t Have A Sense Of Humor?



1. Normal people believe that if it ain't broke, don't fix it.

Engineers believe that if it ain't...
Forum: The Lounge 10-21-2013, 08:38 PM
Replies: 94
Views: 12,152
Posted By Ryland
At 20 I could afford a brand new car but I didn't...

At 20 I could afford a brand new car but I didn't buy one, you know what I did instead? I saved my money and at 27 paid cash for my house.
Forum: The Unicorn Corral 10-09-2013, 10:57 PM
Replies: 6
Views: 1,952
Posted By t vago
Well, if we go to the original story, BBC...

Well, if we go to the original story,

BBC News - Nuclear fusion milestone passed at US lab (http://www.bbc.co.uk/news/science-environment-24429621)

We find no mention of shutdown theatre at...
Forum: The Lounge 10-09-2013, 08:44 PM
Replies: 205
Views: 26,841
Posted By Occasionally6
But corrode under what conditions? Al. even left...

But corrode under what conditions? Al. even left in humid air won't corrode as long as the protective oxide coating remains intact. (Al. is not a good bearing material.)

In conditions where there...
Forum: Aerodynamics 10-06-2013, 03:57 AM
Replies: 39
Views: 22,483
Posted By Thenorm
Hatchback Vs. Sedan (why does a sedan have a better Cd?)

Why does the sedan get a better Cd?
if we look at a contemporary model, say the 2014 mazda 3.
Cd: 0.275 for hatch, 0.255 for sedan.
I would argue that from the B pillar forward the cars are...
Forum: The Lounge 10-03-2013, 12:41 AM
Replies: 205
Views: 26,841
Posted By gone-ot
I know, see my earlier post (#52) in this thread:...

I know, see my earlier post (#52) in this thread:

http://ecomodder.com/forum/384243-post52.html

...and the numbers printed in the EPA MPG listing are "...provided by the vehicle...
Forum: Aerodynamics 10-02-2013, 06:32 AM
Replies: 22
Views: 12,162
Posted By AndrzejM
It can be a great project... Series I ...

It can be a great project...

Series I
http://ecomodder.com/forum/attachment.php?attachmentid=13838&stc=1&d=1380709876
Series II...
Forum: EcoModding Central 09-29-2013, 11:18 PM
Replies: 7
Views: 1,843
Posted By stovie
Safe compression ratio?

Ok what's the highest compression ratio you can hit with a stock engine before needing reinforcement?? I was looking on line about ethanol and other fuels like it, and they say that if you can hit...
Forum: EcoModding Central 09-26-2013, 12:39 AM
Replies: 19
Views: 5,898
Posted By Occasionally6
Be careful when referring to closed loop. With...

Be careful when referring to closed loop. With wide band sensors it doesn't necessarily mean stoichiometric (which is, I think, what you mean).
Forum: EcoModding Central 09-25-2013, 04:27 AM
Replies: 19
Views: 5,898
Posted By niky
If we're talking stock tunes, new cars typically...

If we're talking stock tunes, new cars typically run lean or ultra-lean at low rpm... at those rpm, the engines are more prone to "knock" on poor gas, which leads to the ECU pulling timing and...
Forum: Off-Topic Tech 09-18-2013, 01:28 PM
Replies: 18
Views: 2,477
Posted By rmay635703
Bad gas likely works fine in a diesel so long as...

Bad gas likely works fine in a diesel so long as its blended. Army used to mix diesel oil and gasoline and call it mo-gas.

In a gasser I would mix in a little e85 and call it good.
Forum: The Lounge 09-17-2013, 10:44 PM
Replies: 55
Views: 7,277
Posted By Xist
No! We had a Private with a Prius! He got...

No! We had a Private with a Prius!

He got kicked out, though...

I definitely would not say the parking lots were full of trucks and SUVs, although there were many. Mustangs, Chargers, and...
Forum: The Lounge 09-16-2013, 06:58 PM
Replies: 55
Views: 7,277
Posted By rmay635703
I am no fan of "monetary" tests either. harder...

I am no fan of "monetary" tests either. harder tests or limitations on new drivers, yes, more money no.

I would like to see fuel economy as a required test though :)
Forum: The Lounge 09-16-2013, 06:42 PM
Replies: 55
Views: 7,277
Posted By Frank Lee
Nope, I'm not going to advocate for expensive...

Nope, I'm not going to advocate for expensive driving privileges- it's not necessary and it would further the have/have not gap which is already quite large.
Forum: The Lounge 09-16-2013, 05:41 PM
Replies: 55
Views: 7,277
Posted By XYZ
OK, so I'm "that guy" (whatever "THAT" means...)...

OK, so I'm "that guy" (whatever "THAT" means...) :rolleyes:





There is no need to try to explain that, because there is no proof that it is objectively true. Your contention that "so many...
Forum: The Lounge 09-16-2013, 08:42 AM
Replies: 55
Views: 7,277
Posted By Fat Charlie
Anyone else ever notice that vets who honestly...

Anyone else ever notice that vets who honestly report what they saw and did often get accused of being haters?

My unit found that the most efficient way to move a bunch of drunken soldiers was...
Forum: The Lounge 09-15-2013, 01:40 AM
Replies: 55
Views: 7,277
Posted By niky
Well, considering cars are only crash-tested and...

Well, considering cars are only crash-tested and certified to 45 mph, the chances of people dying become very, very small indeed, unless two cars going 35 hit each other head on... with unbelted...
Forum: The Lounge 09-14-2013, 04:41 PM
Replies: 205
Views: 26,841
Posted By Frank Lee
All I know is, I dropped the gas tank on my '92...

All I know is, I dropped the gas tank on my '92 to replace the fuel pump; I've been running lots of straight E85 through it and it looked as new and clean as a whistle as the day it was made.
...
Forum: The Lounge 09-14-2013, 03:29 PM
Replies: 205
Views: 26,841
Posted By RedDevil
Sure. In the Wikipedia article on ethanol blends...

Sure. In the Wikipedia article on ethanol blends (http://en.wikipedia.org/wiki/Common_ethanol_fuel_mixtures) (very on topic btw!) is a hE15 section that refers to that. It even has a link reference...
Forum: The Lounge 09-06-2013, 09:19 PM
Replies: 205
Views: 26,841
Posted By cRiPpLe_rOoStEr
Henry Ford himself was an ethanol supporter.

Henry Ford himself was an ethanol supporter.
Forum: The Lounge 09-05-2013, 03:12 AM
Replies: 205
Views: 26,841
Posted By freebeard
Define 'by design'. :) The stock steel heads...

Define 'by design'. :)

The stock steel heads were milled to increase compression, the aluminum heads already had the smaller pocket over the valves. 14 to 1 sounds about right for alcohol. Look up...
Forum: The Lounge 09-04-2013, 09:02 AM
Replies: 205
Views: 26,841
Posted By roosterk0031
Topped off the Cobalt this morning, calculated...

Topped off the Cobalt this morning, calculated E66 blend. Put 10 miles after top off no CEL. Last tank with E55 somewhere between 39.8 indicated and 42.3 calculated, higher than expected, based on...
Forum: The Lounge 08-31-2013, 06:57 AM
Replies: 205
Views: 26,841
Posted By cRiPpLe_rOoStEr
Ethanol-related failures are not really so usual,...

Ethanol-related failures are not really so usual, and poorly-regulated fuel quality is less unusual with gasoline. Diesel fuel recently started to get the quality improved, due to the higher...
Forum: The Lounge 08-15-2013, 06:24 PM
Replies: 205
Views: 26,841
Posted By rmay635703
15-33% ethanol on my 01 insight runs within the...

15-33% ethanol on my 01 insight runs within the margin of error for fuel economy. Maybe its lower but it appears temperature outside affects economy more than the ethanol content. If I hit the...
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