Go Back   EcoModder Forum > EcoModding > Aerodynamics
Register Now
 Register Now

Reply  Post New Thread
Submit Tools LinkBack Thread Tools
Old 07-24-2012, 05:16 PM   #11 (permalink)
Master EcoModder
Diesel_Dave's Avatar
Join Date: May 2011
Location: Indiana
Posts: 1,194

White Whale - '07 Dodge Ram 2500 ST Quad Cab 2wd, short bed
Team Cummins
90 day: 37.68 mpg (US)
Thanks: 112
Thanked 508 Times in 211 Posts
Don't forget that you can get buildup on the inside of the radiator as well. You can get rid of some of that by doing a coolant flush and refill.

It's also not fair to assume that the grille opening has to be as large as VW designed it to be. VW designed it to withstand the absolute worse-case scenario: loaded to the max weight rating, in high ambient temperatures, with low vehicle speeds, etc.

Most hypermiling & ecomodding techiques will decrese the cooling requirements because the engine won't be burning as much fuel. I've noticed that P&G, especially EOC P&G affects the time it takes my engine to warm up (an indication of the required cooling requirements after it's warmed up). I estimate that, for me, it takes almost twice as long to warm up with EOC P&G vs normal driving. The reason for this is twofold. First, I'm burning less fuel more efficiently, so there's less heat that needs to be taken away. Secondly, the engine cools down during the EOC portion. After a particularly long glide, I'll notice that my coolant temp gauge moves off it's normal operating temp.

Diesel Dave

My version of energy storage is called "momentum".
My version of regenerative braking is called "bump starting".

1 Year Avg (Every Mile Traveled) = 47.8 mpg

BEST TANK: 2,009.6 mi on 35 gal (57.42 mpg): http://ecomodder.com/forum/showthrea...5-a-26259.html

  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

Old 07-24-2012, 06:04 PM   #12 (permalink)
Do more with less
Join Date: Jul 2010
Location: North Eastern Missouri
Posts: 917

OD - '05 Ford Econoline
90 day: 18.64 mpg (US)

Joetta - '86 Volkswagen Jetta Turbo Oil Burner
90 day: 49.71 mpg (US)

Benzilla - '85 Mercedes Benz 300D
90 day: 28.08 mpg (US)
Thanks: 62
Thanked 167 Times in 105 Posts
Yep I was at 53 mph with the car loaded to the gills in 100 degree heat with a tail wind. My grill cover was letting less than half the normal amount of air in. It was increasing temp gradually and was nearing the top of the range in the standard gauge.

My car is old and I don't need to replace any components because of over heating.

I suppose I could have removed half of the cover but it was 100 degrees and I was near overheated personally. Removal of the cover settled things down great.

After reading what aerohead says about Hucho and these early vw's, I am pretty convinced that the stock opening is just about perfect for the conditions I described.

"A man is not finished when he is defeated. He is finished when he quits."
Richard M. Nixon

"The reward of suffering is experience."
Harry S. Truman

“There's no way to rule innocent men. The only power any government has is the power to crack down on criminals. Well, when there aren't enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws.”
Ayn Rand
  Reply With Quote
Reply  Post New Thread

Thread Tools

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com