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Forum: General Efficiency Discussion 09-14-2015, 11:22 PM
Replies: 18
Views: 7,248
Posted By oil pan 4
If you are even thinking about maybe towing 10k...

If you are even thinking about maybe towing 10k don't use the stock dodge auto transmission. The 47RE. Its rated for 450 ft/lb of torque. A proper 12 valve 5.9L can make 450 torques at idle.
Problem...
Forum: EcoModding Central 05-14-2013, 01:33 PM
Replies: 7
Views: 2,834
Posted By Big Dave
In terms of improvements to absolute BSFC, I...

In terms of improvements to absolute BSFC, I don't think there is much scope for improvement. It has often been said that gas engine technology hit the peak with Louis Meyer's engine back in 1925.
...
Forum: EcoModding Central 05-13-2013, 05:11 PM
Replies: 31
Views: 4,739
Posted By mcrews
gurss you didnt 'search'? justt had a forum...

gurss you didnt 'search'?

justt had a forum on these last week.......

Headlamp housings are built SPECIFICLY for for a certain type of bulb.
A halogen bulb only works in a headlamp designed...
Forum: Aerodynamics 05-12-2013, 07:51 PM
Replies: 4
Views: 1,194
Posted By JRMichler
The answers to your questions, in this and your...

The answers to your questions, in this and your other threads are in this book: Aerodynamics of Road Vehicles: From Fluid Mechanics to Vehicle Engineering ([Proceedings] / SAE): Wolf-Heinrich Hucho:...
Forum: EcoModding Central 05-12-2013, 11:31 AM
Replies: 16
Views: 3,676
Posted By Ryland
Having proper snow tires will also allow you to...

Having proper snow tires will also allow you to keep the truck in 2 wheel drive nearly all of the time so that you can use the 4 wheel drive for what it's meant for, getting unstuck, not for general...
Forum: Aerodynamics 04-17-2013, 01:21 PM
Replies: 18
Views: 4,630
Posted By JRMichler
Try laying 2 or 3 long poles over the top of the...

Try laying 2 or 3 long poles over the top of the skid steer, then pulling a tarp over the top of the poles. Tie down the tarp hard enough to flex the poles and end up with a smooth curve. The...
Forum: Aerodynamics 04-16-2013, 09:15 PM
Replies: 23
Views: 4,796
Posted By Frank Lee
Every guy has his own preferences...

Every guy has his own preferences...
Forum: Motorcycles / Scooters 04-16-2013, 05:05 PM
Replies: 29
Views: 5,244
Posted By alvaro84
Well, it depends. When I didn't use coasting, it...

Well, it depends. When I didn't use coasting, it was rare to reach 3l/100km. When I started to do so, it became something basic, 'good' is well under that. Now 'good' is under 2.8l/100km. Very good...
Forum: Motorcycles / Scooters 04-16-2013, 12:59 AM
Replies: 29
Views: 5,244
Posted By Frank Lee
Why? Because bikes have relatively high rolling...

Why? Because bikes have relatively high rolling and aero resistance and relatively low weight. Sure, hills are one thing but out on the flats, bikes glide down like they are dragging anchors compared...
Forum: EcoModding Central 04-15-2013, 11:13 PM
Replies: 31
Views: 5,925
Posted By slowmover
OP, I would recommend starting by taking a step...

OP, I would recommend starting by taking a step back. How much money did your family spend on petroleum related to transit? The annual fuel budget. One cannot separate vehicles from one another (at...
Forum: Motorcycles / Scooters 04-15-2013, 10:33 PM
Replies: 29
Views: 5,244
Posted By alvaro84
Why? It still works pretty well for me,...

Why? It still works pretty well for me, especially on hills.

@stillsearching - I often do things like 45..60-65 mph P&G with a fuel injected 650 single. It's somewhat slower than your target...
Forum: General Efficiency Discussion 04-07-2013, 12:30 PM
Replies: 1,316
Views: 336,495
Posted By oil pan 4
Buy a trailer (instead of a pickup truck)

I have found that owning a trailer has some advantages over a large pickup.
Sometimes your line of work calls for a giant 4wd pickup but thats not the case for most of us.

This is a thread for...
Forum: Motorcycles / Scooters 03-15-2013, 10:36 PM
Replies: 27
Views: 79,658
Posted By Honda100
I didn't run through the whole post, but I do...

I didn't run through the whole post, but I do have a wide variety of scooters and motorcycles. Also keep in mind that all of my mpg figures are very accurate as I use a measuring pitcher to add fuel...
Forum: EcoModding Central 02-24-2013, 05:37 PM
Replies: 72
Views: 23,402
Posted By cRiPpLe_rOoStEr
Some nice minivans for ecomodding are the good...

Some nice minivans for ecomodding are the good old Chevrolet Lumina APV/Oldsmobile Silhouette/Pontiac Trans Sport, 1st-gen Mazda MPV and the Ford Aerostar.

It's not impossible to adapt the...
Forum: Aerodynamics 02-23-2013, 01:56 PM
Replies: 18
Views: 4,630
Posted By aerohead
aero= 35-45%

*With less than a foot added for a nose 'cleanup' a 'comprehensive' streamlining kit should net you around a 35% HWY-only mpg improvement.
*If your willing to put up with 3-feet of boat tail on top...
Forum: Motorcycles / Scooters 02-23-2013, 12:42 PM
Replies: 16
Views: 9,017
Posted By Curtis in Texas
Don't really have a small scooter right now, but...

Don't really have a small scooter right now, but I' have owned several.
I do, however have a 650 cc Dual Sport Bike that I've built a one wheel trailer to use behind it. There are several...
Forum: EcoModding Central 02-23-2013, 09:50 AM
Replies: 72
Views: 23,402
Posted By arcosine
Best Minivan for MPG

Best minivan for MPG

Dodge Caravan

It was the first minivan introduced in 1984 it was rated for 26 mpg hwy with a 2.2 L and 5 speed manual. Later the 2.5 L engine with a 87.5 mm bore and a long...
Forum: Aerodynamics 02-21-2013, 01:13 PM
Replies: 231
Views: 115,636
Posted By Shepherd777
Hi stillsearching - The economics of the...

Hi stillsearching -

The economics of the BulletTruck worked out better than I had ever imagined. We did not have a rear-of-trailer treatment (boat-tail) and we still had 2 "live" differentials,...
Forum: Motorcycles / Scooters 02-20-2013, 12:17 PM
Replies: 16
Views: 15,037
Posted By bschloop
Get a 250, and do even a few mild aeromods. the...

Get a 250, and do even a few mild aeromods. the boattail trunk is a great one, since it is luggage as well as aero. the Ninja, and the CBR250 will manage 80ish mpg and 80mph quite well. most of the...
Forum: Off-Topic Tech 02-20-2013, 09:22 AM
Replies: 2
Views: 6,255
Posted By MTXA
Partially plugged main jet causing lean condition

It appears the main jet is partially plugged. It's a pretty simple repair. Shut off or drain the fuel tank. Note if the fuel bowl has a step in the bottom and remember the orientation of it. Looking...
Forum: Off-Topic Tech 02-20-2013, 08:09 AM
Replies: 2
Views: 6,255
Posted By razor02097
Drain all of the bad fuel out and replace with...

Drain all of the bad fuel out and replace with fresh fuel. Small engines are sensitive to varnish... Do not use additives to try to clean out the carb. It is a waste of money.

If you store small...
Forum: EcoModding Central 09-05-2012, 09:43 AM
Replies: 42
Views: 6,547
Posted By MetroMPG
It is possible on some vehicles that the 2nd...

It is possible on some vehicles that the 2nd highest gear at a lower speed (than top gear's lowest non-lugging speed) will be more efficient.

It will depend on gearing & aerodynamics of the...
Forum: Aerodynamics 09-04-2012, 07:42 PM
Replies: 11
Views: 3,836
Posted By Sven7
Triangular plywood topper coming down at a 15*...

Triangular plywood topper coming down at a 15* angle on top. Make sure the edges don't stick out past the cab.

A tarp has the possibility of flapping vigorously in the wind, negating gains.

You...
Forum: Aerodynamics 09-01-2012, 05:57 PM
Replies: 7
Views: 1,693
Posted By Otto
NASA (Bushnell?) did studies of compliant wall...

NASA (Bushnell?) did studies of compliant wall surfaces about 30+ years ago. Google for technical papers.

The answer is yes: Compliant wall surfaces such as feathers and fur dampen flow...
Forum: Aerodynamics 08-31-2012, 12:34 PM
Replies: 231
Views: 115,636
Posted By euromodder
If you look at the template, it's pretty blunt at...

If you look at the template, it's pretty blunt at the front as well.

Shepherd777s truck looks very pointed in his avatar, almost like an eagle's beak when seen from that angle, but it's quite...
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