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Forum: Hypermiling / EcoDriver's Ed 08-31-2017, 01:03 AM
Replies: 11
Views: 3,324
Posted By oldtamiyaphile
Bare in mind the differences between petrol NA...

Bare in mind the differences between petrol NA and throttle less turbos.

My Fiat 500 (875cc - throttle less petrol) does 50 mpg, but maxxed out the factory fuel computer at under 8mpg on track....
Forum: Hypermiling / EcoDriver's Ed 08-30-2017, 09:13 AM
Replies: 11
Views: 3,324
Posted By elhigh
Find a Brake Specific Fuel Consumption map for...

Find a Brake Specific Fuel Consumption map for your engine. It will show you how much fuel you're burning for the engine's load and rev range.

Somewhere on that map you'll see where the isobars...
Forum: Hypermiling / EcoDriver's Ed 08-29-2017, 07:16 PM
Replies: 11
Views: 3,324
Posted By gumby79
You realy need the BSFC line to get an accurate...

You realy need the BSFC line to get an accurate guss from the Dino. I say guss becuse the dino run is at max fule making the info only accurate at full throttle. In over the road trucks more time at...
Forum: Hypermiling / EcoDriver's Ed 08-27-2017, 03:54 PM
Replies: 11
Views: 3,324
Posted By cRiPpLe_rOoStEr
I'd rather keep the load the most constant...

I'd rather keep the load the most constant possible, and I see no reason to keep off-boost. No wonder the main improvements in turbocharging have been done to make them spool faster at lower revving.
Forum: Hypermiling / EcoDriver's Ed 08-27-2017, 05:57 AM
Replies: 11
Views: 3,324
Posted By seifrob
From what they say here driving small turbodiesel...

From what they say here driving small turbodiesel around 1500-1700 RPM leads to clogged turbo, clogged EGR and who knows what. When I was at the inspection responsible technician was revving up my...
Forum: Hypermiling / EcoDriver's Ed 08-26-2017, 09:08 PM
Replies: 11
Views: 3,324
Posted By oldtamiyaphile
What year is your Clio? Newer cars run very...

What year is your Clio?

Newer cars run very lean off boost but can run very rich on boost (power OR economy). A lot of diesel driving tips relate to old tech.

I have 2016 dCi-140 (1.6), here...
Forum: Hypermiling / EcoDriver's Ed 08-26-2017, 11:04 AM
Replies: 11
Views: 3,324
Posted By Stubby79
Unlike a gasoline engine, you're not going to...

Unlike a gasoline engine, you're not going to suffer much pumping loss by not accelerating hard. Theoretically, you will get an even better BSFC when you get in to boost, because the engine can...
Forum: Hypermiling / EcoDriver's Ed 08-26-2017, 09:08 AM
Replies: 11
Views: 3,324
Posted By JRMichler
You really need to run some tests on your car to...

You really need to run some tests on your car to find out. You need a gas mileage computer, most of us use a Scangauge or Ultragauge. Start at a defined point, set the computer to zero, accelerate...
Forum: Hypermiling / EcoDriver's Ed 12-16-2015, 07:12 PM
Replies: 16
Views: 4,652
Posted By houseofdiesel
If you want to beat the rated fuel economy you...

If you want to beat the rated fuel economy you need to slow down, max 90km/h. Shift as early as possible, say 1600-1800 pms and stay out of boost. Modern diesels add fuel under boost these days to...
Forum: Hypermiling / EcoDriver's Ed 12-10-2015, 08:39 AM
Replies: 16
Views: 4,652
Posted By ecoxantia
I have a similar car, Skoda Fabia 1.4 tdi. At...

I have a similar car, Skoda Fabia 1.4 tdi. At least, similar in that it's a small diesel car. I have found that P+G does not give good fuel economy, nor does accelerating hard (the 80% load mentioned...
Forum: Hypermiling / EcoDriver's Ed 12-04-2015, 03:39 PM
Replies: 16
Views: 4,652
Posted By TimV
As mentioned above. Keep the rpm in the torque...

As mentioned above. Keep the rpm in the torque band. I think for you it is better to keep rpm between 1800 and 2600 during acceleration. I think you need to go a little higher in rpm before you...
Forum: Hypermiling / EcoDriver's Ed 12-04-2015, 02:24 PM
Replies: 16
Views: 4,652
Posted By ConnClark
use your eco button and try to keep your rpm...

use your eco button and try to keep your rpm around 2600
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