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Search: Posts Made By: theholycow
Forum: General Fuel Topics 12-07-2009, 05:43 AM
Replies: 76
Views: 13,708
Posted By theholycow
chesspirate, you make a good point...I generally...

chesspirate, you make a good point...I generally look at ideas critically with a focus on whether it is worthwhile or not, but really, it's worth experimenting as long as the cost is negligible too.
Forum: General Fuel Topics 12-05-2009, 12:53 PM
Replies: 76
Views: 13,708
Posted By theholycow
Now that you mention it, some trucks can be...

Now that you mention it, some trucks can be lowered for free by removing lift blocks from a solid rear axle and de-cranking torsion bars on an independent front suspension. However, you should check...
Forum: General Fuel Topics 12-05-2009, 06:19 AM
Replies: 76
Views: 13,708
Posted By theholycow
One trip isn't enough data, but even so that's...

One trip isn't enough data, but even so that's quite interesting. Consider that, towing a trailer, you get additional aerodynamic drag and rolling resistance. Most people experience significant FE...
Forum: General Fuel Topics 12-05-2009, 03:45 AM
Replies: 76
Views: 13,708
Posted By theholycow
Those are some good thoughts, and it's a great...

Those are some good thoughts, and it's a great idea to remember to try additional strategies. In my observation, exhaust and minor weight loss won't make a difference.

Weight: That truck weighs at...
Forum: General Fuel Topics 11-29-2009, 11:56 AM
Replies: 76
Views: 13,708
Posted By theholycow
Odometer vs. pump is the only consistent and most...

Odometer vs. pump is the only consistent and most accurate way.

The odometer always records miles consistently. The gas pump can be inaccurate for one tank (due to variations in when it clicks off...
Forum: General Fuel Topics 11-20-2009, 03:33 AM
Replies: 76
Views: 13,708
Posted By theholycow
Generally, a miscalibrated speedometer/odometer...

Generally, a miscalibrated speedometer/odometer is not linear either, but rather a percentage. Calibrate your ScanGauge to 1.9% to start with if you want it to be accurate to the GPS.

However, for...
Forum: General Fuel Topics 11-16-2009, 05:24 PM
Replies: 76
Views: 13,708
Posted By theholycow
Yeah, it definitely works. The only issues are...

Yeah, it definitely works. The only issues are that it doesn't display negative numbers; instead it rolls around from 6553.5, so -500 would display as 6053, and that it seems to actually work off...
Forum: General Fuel Topics 11-16-2009, 03:11 PM
Replies: 76
Views: 13,708
Posted By theholycow
You'll decide on your own what data to display. I...

You'll decide on your own what data to display. I like current trip average MPG (I had to make that one as an XGauge, the instructions tell you how); open/closed loop for detecting DFCO; instant MPG;...
Forum: General Fuel Topics 11-16-2009, 07:38 AM
Replies: 76
Views: 13,708
Posted By theholycow
Did he ever at least post some results for his...

Did he ever at least post some results for his prototype?
Forum: General Fuel Topics 11-16-2009, 06:22 AM
Replies: 76
Views: 13,708
Posted By theholycow
Yep, that'd put a damper on things. The best you...

Yep, that'd put a damper on things. The best you could do would be to make it from clear material and shape it like a Prius/Insight with the flat rear end and Prius/Insight/CRX-style vertical rear...
Forum: General Fuel Topics 11-15-2009, 09:59 AM
Replies: 76
Views: 13,708
Posted By theholycow
Is the circulating bubble a good thing? I thought...

Is the circulating bubble a good thing? I thought maybe the only reason it helps anything is that it could help air get over the tailgate. If you block off the tailgate area then you may not need the...
Forum: General Fuel Topics 11-15-2009, 04:39 AM
Replies: 76
Views: 13,708
Posted By theholycow
They said they were using some kind of...

They said they were using some kind of high-accuracy flow meter (in the 2nd video; in the first they just ran a specific amount of gas until the vehicle stalled from running out of gas), and I am not...
Forum: General Fuel Topics 11-14-2009, 10:40 AM
Replies: 76
Views: 13,708
Posted By theholycow
Gauges can give you instant feedback, but nothing...

Gauges can give you instant feedback, but nothing is as accurate as a gaslog. You certainly wouldn't be able to tell the difference with the tailgate using a ScanGauge.
Forum: General Fuel Topics 11-14-2009, 08:09 AM
Replies: 76
Views: 13,708
Posted By theholycow
As usual, their science is awful, they fail to...

As usual, their science is awful, they fail to measure anything accurately or control their variables...but they've provided more data than anyone else on the issue.

-2400605931519184533
Edit:...
Forum: General Fuel Topics 11-13-2009, 02:15 PM
Replies: 76
Views: 13,708
Posted By theholycow
The flat spot behind the tailgate is there...

The flat spot behind the tailgate is there whether or not there's the flat spot behind the cab, so at least improving the one behind the cab is better than nothing at all. If you really wanted to,...
Forum: General Fuel Topics 11-13-2009, 06:52 AM
Replies: 76
Views: 13,708
Posted By theholycow
More thoughts: Usually, the best MPG mod you can...

More thoughts: Usually, the best MPG mod you can make, and one of the only cost-effective ones, is to adjust your driving. What have you done to your driving style?
Forum: General Fuel Topics 11-13-2009, 06:51 AM
Replies: 76
Views: 13,708
Posted By theholycow
Jay's right about the tailgate. Your ideas...

Jay's right about the tailgate.

Your ideas are good.

Aero cap: Read up on it, I think you want an 11? slope.

HAI: Go for it.

A/C belt: Your truck probably has a single serpentine belt....
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