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Search: Posts Made By: Bill in Houston
Forum: Experiments, Modifications and DIY 07-22-2007, 07:10 PM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Do a few runs coasting from 65 mph to 60 mph. ...

Do a few runs coasting from 65 mph to 60 mph.
Do a few runs coasting from 15 to 10 mph.
Dump the data to Excel. For the high speed runs and the low speed runs, plot speed vs time and draw the...
Forum: Experiments, Modifications and DIY 07-22-2007, 06:15 PM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Thanks!

Thanks!
Forum: Experiments, Modifications and DIY 07-22-2007, 02:38 PM
Replies: 57
Views: 16,198
Posted By Bill in Houston
For the sake of completeness, this is a link to...

For the sake of completeness, this is a link to the coast down testing that I eventually did. Show something like 10% improvement in Cd.

https://www.gassavers.org/showthread.php?t=4419
Forum: Experiments, Modifications and DIY 05-21-2007, 06:31 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Air Dam and Undertray Update

Well, after a month of air dam and front undertray use, it seems that it has not improved my highway mileage. It may have actually lowered it. It definitely does keep the front end more stable at...
Forum: Experiments, Modifications and DIY 04-17-2007, 05:02 PM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Thanks, Brelandt!

Thanks, Brelandt!
Forum: Experiments, Modifications and DIY 04-17-2007, 08:32 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
:-)

:-)
Forum: Experiments, Modifications and DIY 04-16-2007, 05:55 PM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Yep, that is what I was talking about. Sounds...

Yep, that is what I was talking about. Sounds good to me. A small improvement, maybe, but an inprovement nonetheless.
Forum: Experiments, Modifications and DIY 04-15-2007, 11:13 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Thanks! I hope your extension works out well...

Thanks!

I hope your extension works out well for you. Extending the OEM air dam should be a relatively simple task since your attachment points are all figured out.

Something that I read,...
Forum: Experiments, Modifications and DIY 03-24-2007, 06:38 PM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Thanks red91sit. It didn't end up taking THAT...

Thanks red91sit. It didn't end up taking THAT much time, and it was spread over a few weeks, so I'm sure you can squeeze in some mod time. :-)

zpiloto and Gary, I'll have to experiment with...
Forum: Experiments, Modifications and DIY 03-23-2007, 11:25 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Grille Block?

I was going to ask about that. Is it better to block the lower or the upper? My upper is already blocked. I'd be afraid to block both, but might be able to get away with it.
Forum: Experiments, Modifications and DIY 03-23-2007, 10:40 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Thanks! I appreciate the compliments. The tray...

Thanks! I appreciate the compliments. The tray is attached to the dam bracing only, and not separately to the car. I could test no dam vs dam alone vs dam plus tray, but not tray alone.

Another...
Forum: Experiments, Modifications and DIY 03-23-2007, 10:25 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Thanks!

Thanks!
Forum: Experiments, Modifications and DIY 03-23-2007, 10:22 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
conclusion...

Here is the finished product on my dirty Element. I like how it looks, and my 12-year-old son agrees. It is still high enough off the ground to clear MOST curbs. I will need to be careful not to...
Forum: Experiments, Modifications and DIY 03-23-2007, 10:20 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
almost finished...

For the undertray, I first made a pattern by gluing together a few pieces of foam-core board, cutting it to shape, drilling holes through it and the underlying bracing or brackets, and securing it...
Forum: Experiments, Modifications and DIY 03-23-2007, 10:17 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
continued...

At this point I had the air dam in its final shape, attached to the vehicle. It might have worked out okay to just mount it to the vehicle and call it done, but I wanted to do a little more to make...
Forum: Experiments, Modifications and DIY 03-23-2007, 10:11 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
continued...

Once I had the air dam bolted on to the front six attachment points, I marked the spot for the small radius bend at the outside corner of the vehicle, and then the sharp 90 degree bend where the dam...
Forum: Experiments, Modifications and DIY 03-23-2007, 10:10 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
continued...

At this point I did a test fit of the air dam. You will notice in the photo that the dam is not bent to its final shape. The front is shaped already, but I had not bent it rearward to complete the...
Forum: Experiments, Modifications and DIY 03-23-2007, 10:07 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
continued...

I started out by deciding where I wanted the dam to be located relative to the six mounting points, and using that concept to cook up the dimensions of the mounting brackets. I made six L-shaped...
Forum: Experiments, Modifications and DIY 03-23-2007, 10:05 AM
Replies: 57
Views: 16,198
Posted By Bill in Houston
Air Dam and Front Undertray

This whole explanation is way too long. Just look at the pictures and you will figure it out on your own. It?s not rocket science. If you have any questions about what I did, the written...
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