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fuel economy with cam 

 

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 Post subject: fuel economy with cam
Posted: Mon Oct 13, 2008 10:36 pm 
Oompa Loompa
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hey guys,
just wondering what sorta fuel economy people are gettin out of a big wade cam? im thinking of gettin the 1673 cam.. i know fuel economy aint gunna be good but just wondering what sorta figures to expect? cheers

 

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Posted: Mon Oct 13, 2008 10:40 pm 
Getting Side Ways
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im also wondering the exact same thing!

im also getting diff gears at the same time, but im hoping they improve economy as 95% of my driving is city
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Posted: Mon Oct 13, 2008 11:01 pm 
Getting Side Ways
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LOL at "big" wade cam, the 1673 aint big.

As long as your run premo, economy wont suffer much at all.

My trip used to sit between 10.8 and 11.8, and with the cam its now on 11.6, but it drank the fuel when I put s**t 91 ron into it...

lol again....

 

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Posted: Tue Oct 14, 2008 11:14 am 
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what about with a 977b, im thinking of putting one in and like most falcon owners, will that drink much fuel?

 

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Posted: Tue Oct 14, 2008 12:15 pm 
Getting Side Ways
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its funny asking about fuel economy, and making the car more powerful :P Usually, I use the extra power thus economy suffers!!!!!

The 1673 is MILD as mentioned above it would probably give you 4km a tank less in normal driving conditions lol

977b will lose some more, Lower vacuum at idle due to larger duration and tigher overlap.. probably 20-30km - Some1 correct me if im wrong.

 

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Posted: Tue Oct 14, 2008 12:28 pm 
Getting Side Ways
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ask the cam seller,any other mods to go with it? power is petrol,how much do you want?get a figure and build it,if your worried about petrol,get a 1.5 ltr car-make your mind up---a or b or c-do nothing-drive it as is,or buy a beast.

 

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Posted: Tue Oct 14, 2008 12:31 pm 
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hans hartman wrote:
ask the cam seller,any other mods to go with it? power is petrol,how much do you want?get a figure and build it,if your worried about petrol,get a 1.5 ltr car-make your mind up---a or b or c-do nothing-drive it as is,or buy a beast.

So much from a conservative old f@rt :P, I hate it when my dad tells me to stop going around corner's that he feel's are wasting petrol :evil: because he does it himself :evil:.

 

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Posted: Wed Oct 15, 2008 12:46 am 
Getting Side Ways
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it shouldnt really matter (in theory)

however the idea of the selected cam for the i6 was for a good mix of drivablity and economy, so she might drink a good 1 - 1.5L p100k

 

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Posted: Wed Oct 15, 2008 7:19 am 
Fordmods Junkie
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My economy on 80% freeway and 20% metro area, used to be about 11.5 - 11.8L/100km. Now it is sitting at about 10.5L/100km, that was with a blocked fuel filter.

Now with a good fuel line system, I'm looking at 9L/100km on highway only (as I found out on the way to Bendigo) and a ridiculous amount during metropolitan area (spikes between 12 - 16...depending on how heavy footed I am).

phong =P~

EDIT: Filled my car up this morning, 52.88L after travelling 565.1km. That's about 85% freeway and the rest metropolitant. Works out to be 9.36L/100km. But seeing how my trip computer is rising in fuel usage...I believe my metro driving is about 16 - 18L/100km...:?

So there is an example of fuel eco with a mild cam and unclogged fuel line.

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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Posted: Wed Oct 15, 2008 9:05 pm 
Oompa Loompa
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thanks guys,
i was under the impression that the 1673 was a fairly decent cam? im talkin biggest cam on standard xr computer? would the 977b make more of a improvement?
phongus: did the cam make a decent improvement for you?

 

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Ford EBII XR6 1992
Blue
Lowered with fully adjustable KONI suspension
3.45 LSD
5 speed Rebuilt gearbox
Fully rebuilt engine
12" velocity sub
Blupunkt 750watt mono bloc

Nissan Patrol 96 diesel
5inch lift
35inch Mickey T MTZ 12.5"
White
Front arb locker
Dual batterys
Big stereo

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Posted: Wed Oct 15, 2008 9:29 pm 
Fordmods Junkie
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Brad92XR6 wrote:
thanks guys,
i was under the impression that the 1673 was a fairly decent cam? im talkin biggest cam on standard xr computer? would the 977b make more of a improvement?
phongus: did the cam make a decent improvement for you?


Well I can feel a lot of oomph up top. Though in saying that, I did do a whole engine transplant, changing from standard to a Tickford motor with the lot...so really, not much of a comparison. Comparing the current motor with another EL, you can definitely feel the difference. It pulls harder after 2500RPM in my car and keeps pulling until about 5500RPM.

Power and torque improvements were definitely noticeable. Fuel economy is also better on highway, but can't say the same for metropolitan...not sure if it's any of my sensors, lead foot, or the lack of resetting the ECU after replacing fuel line components.

Hope that helps.

phong =P~

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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