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Old 12-30-2009, 07:23 AM   #1 (permalink)
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Hello All

Hi!

I'm Donat Kovacs-Bokor from Hungary. Of course I'm here to learn ways how to reduce my car's fuel consumption. I'm an economics without technical skills!
I have a Volvo 244 from 1982. It has a diesel motor (2383ccm). It was rebuilt with quality parts (fe: Mahle pistons). Its factory average fc. is 37,7mpg (7,5L/100km).
The only modification is that I installed a PCV jar to the engine.
My highway mpg on 90km/h is 54,3mpg (5,2L/100km). I use 10w40 oil.

I want to reduce rmp of the engine on higher speed so I hunt for a longer differential (3,31 instead of the current 3,73 ratio)

I tried a spiral HHO tool,too but it did not make enough gas to reduce the mpg. Of course I want to modify it and try again.

Heaven ice day'!

Doni_99


Last edited by Doni_99; 12-30-2009 at 08:08 AM..
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Old 12-30-2009, 10:36 AM   #2 (permalink)
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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
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Hello Doni, and welcome to EcoModder

It looks like you are already on the right road to hypermiling. Have you tried pulse & glide? Try a lighter oil (for example 5W30) next time you change it.

The Volvo 244 is quite boxy, but a grille block and rear wheel skirts, plus a bellypan, should help. The grille block and underpan will also help the diesel engine get and stay warm.
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[Old] Piwoslaw's Peugeot 307sw modding thread
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Old 12-30-2009, 12:19 PM   #3 (permalink)
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Welcome to Ecomodder.com Doni!
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Old 12-30-2009, 02:12 PM   #4 (permalink)
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Hi Piwoslaw!

I have used grille block only in winter time, but yes, it is a good idea.
Lighter oil. 10W40 is on test by now, because I used this after the renovation' but the engine was very thirsty for this, so I changed for 15W40. About 1000km ago I changed back for 10w. If he (his name is Bordeaux based on the body colour) don't sip from this oil, I will try lighter one.

Wheelskirt. Hm, I see that you have this kind of body parts on your Peugeot. How did you fixed them? I think, they are removable and not fixed with screwes. Do you have pictures of yours at short range?

pulse & glide
What (/who) are they? The only thing that came to my mind is: Bonnie & Clyde

Thanks,

Doni
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Old 12-30-2009, 02:16 PM   #5 (permalink)
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Quote:
Originally Posted by rgathright View Post
Welcome to Ecomodder.com Doni!
Thanks, Rgathright!
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Old 12-31-2009, 01:52 AM   #6 (permalink)
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Quote:
Originally Posted by Doni_99 View Post
Wheelskirt. Hm, I see that you have this kind of body parts on your Peugeot. How did you fixed them? I think, they are removable and not fixed with screwes. Do you have pictures of yours at short range?
Here are a few pictures from my modding thread. Each is held on with 6 screws, which is overkill, 4 would be enough. Each skirt comes off in under 15 seconds. So far no problems

Quote:
Originally Posted by Doni_99 View Post
pulse & glide
What (/who) are they? The only thing that came to my mind is: Bonnie & Clyde
Pulse & glide is a driving style: instead of driving at a steady 60 km/h, you first accelerate (@80% max throttle) to 70km/h, then put the gear into neutral and coast. When your speed falls to 50km/h you put it in gear and accelerate to 70 again. The actual numbers vary depending on traffic. This usually works only below highway speeds - I believe there was a thread on this, here is what I found:
success : pulse and coast in neutral at mid speed (40-55 mph)
One of the variations of P&G is EOC-engine off coasting. Turn off the engine when the anticipated coast will be long, then bump start the engine (put in high gear and unpress the clutch). This method has safety (and legal) issues, so there are many things to consider before deciding to do it.
Check out this thread for more hypermiling tips:
100+ hypermiling / ecodriving tips & tactics
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e·co·mod·ding: the art of turning vehicles into what they should be

What matters is where you're going, not how fast.

"... we humans tend to screw up everything that's good enough as it is...or everything that we're attracted to, we love to go and defile it." - Chris Cornell


[Old] Piwoslaw's Peugeot 307sw modding thread
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Doni_99 (12-31-2009)
Old 12-31-2009, 05:31 AM   #7 (permalink)
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Hi Piwoslaw,

Many thx!!!

Bellow your avatar there is that your car has a 1,6L engine.
Is it petrol or diesel? It's petrol, isn't it?
It is or not, 4,7L/100km is a very good result.

I wish you a happy new year!

Bye,

Doni

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