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Author Topic: fuel consumption curves for 1.6 IDI?  (Read 3056 times)

September 07, 2005, 01:30:54 pm

zyewdall

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fuel consumption curves for 1.6 IDI?
« on: September 07, 2005, 01:30:54 pm »
Does anyone out there have, or know where to get, fuel consumption curves of grams/HP-hr, vs RPM for the 1.6?  The only thing I have been able to find iis this post, which implies that the most efficient point is at 2,000rpm.  I see these all the time for airplane engines, but have actually never seen one for an automobile engine.

http://cs-www.cs.yale.edu/homes/jag/vw/engine/tdiswap/tdiswap.html
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Reply #1September 07, 2005, 02:15:05 pm

jtanguay

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fuel consumption curves for 1.6 IDI?
« Reply #1 on: September 07, 2005, 02:15:05 pm »
Here you go in a PDF file

https://home.comcast.net/~smhitchings/VAG_Manual.pdf

its sort of near the bottom.   Has spec fuel consumption for 1.6 idi and turbo as well as the audi 5 cyl turbo :D

the pics might be hard to read... if its that bad I have the original pdf file on hand :)
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Reply #2September 07, 2005, 03:09:04 pm

zyewdall

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fuel consumption curves for 1.6 IDI?
« Reply #2 on: September 07, 2005, 03:09:04 pm »
Thanks.  This is great.
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'84 Mitsubishi 4x4 2.3L turbo biodiesel pickup
'91 VW Rabbit GTI with 1.6 biodiesel transplant
'81 Toyota longbed 2wd 2.2NA biodiesel pickup (for sale)
'89 Subaru 4x4 touring wagon
 '82 subaru 4x4 TDI wagon -- project on hold
1976 Ford Sasquatch pickup
Reply #3September 07, 2005, 04:39:29 pm

VWRacer

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fuel consumption curves for 1.6 IDI?
« Reply #3 on: September 07, 2005, 04:39:29 pm »
I like their word for "normally-aspirated"..."suck-motor"!!!  :lol:  :lol:  :lol:
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Stan
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Reply #4September 07, 2005, 05:29:29 pm

vwmike

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fuel consumption curves for 1.6 IDI?
« Reply #4 on: September 07, 2005, 05:29:29 pm »
Quote from: "VWRacer"
I like their word for "normally-aspirated"..."suck-motor"!!!  :lol:  :lol:  :lol:


Yeah...actually I think their term is more correct....the N/A diesel certainly does suck.
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Reply #5September 07, 2005, 05:32:09 pm

VWRacer

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fuel consumption curves for 1.6 IDI?
« Reply #5 on: September 07, 2005, 05:32:09 pm »
Yeah...exactly!  :lol:
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Stan
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Reply #6September 08, 2005, 09:50:55 am

jtanguay

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fuel consumption curves for 1.6 IDI?
« Reply #6 on: September 08, 2005, 09:50:55 am »
Quote from: "VWRacer"
I like their word for "normally-aspirated"..."suck-motor"!!!  :lol:  :lol:  :lol:


lol
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Reply #7September 08, 2005, 10:32:38 am

fspGTD

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fuel consumption curves for 1.6 IDI?
« Reply #7 on: September 08, 2005, 10:32:38 am »
There is also a plot of bsfc (brake-specific fuel consumption) for the 1.6lTD motor showing bsfc contours plotted against rpm and load in the VW TD SAE paper.  There is a crappy scan of it floating around the internet, but the numbers are only barely readable.  I do have the original paper.

Here is a thread with bsfc plots for the 4-cylinder TD, the 5-cylinder TD, as well as the TDI (which gets under 200 g/kWh!):
http://www.vwdiesel.net/phpBB/viewtopic.php?t=649&start=13
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