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4 speed auto power/economy switch
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pyroay
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PostPosted: Mon Feb 28, 2005 2:53 pm    Post subject: Reply with quote

Pulco wrote:
easy way to fix this prob, buy a manual and change whenever u want too


I agree 100%.....


4.9 EF Futura: Your right regarding the friction etc... i think that was the basis of the theory, but i am backing it up with practice and others experience (although not my own).
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Vic
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PostPosted: Mon Feb 28, 2005 2:58 pm    Post subject: Reply with quote

Well it's always simple enough to switch it to "power" when you want to treat the engine like a little b**ch... it's what it's there for. The only problem I find is that I can't just slam the pedal to the floor and hope for an early gear change in "power" mode because it'll just redline.
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nicco
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PostPosted: Mon Feb 28, 2005 9:37 pm    Post subject: Reply with quote

To throw another side into the argument, i have done a bit of trialing with my box. I picked up an extra 30 kms out of a tank of fuel around town on POWER.

Also, it sits in 3rd at 60 km/h in ECONOMY, 4th in POWER

The reason it chews more fuel in econ, in my car anyway, is that you need more throttle to keep the car going at the same speed, the extra drag on the engine (i though from the locked up converter but maybe not) means you need more accelerator to go the same speed, using more fuel.

Sit at 60 on a flat peice of road and hold your foot in the same sopt, and switch from one mode to the other. If you go to econ, you will start to slow down, meaning you have to open it up to stay at 60. Opposite if you go to power.
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One Drone
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PostPosted: Mon Feb 28, 2005 11:02 pm    Post subject: Reply with quote

Pulco wrote:
easy way to fix this prob, buy a manual and change whenever u want too


I stand corrected. I am sure that if you went to Ford with a dead gearbox and claimed it was the economy mode that they'd just laugh at you and hand you he receipt for a new gearbox.

Manual conversions are easier said than done. Especially if you're looking at higher rwkw outputs, or even if you have a V8. $2500 for a second hand T5 that are rarely for sale?? lol I'll be right...
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Jaysen
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PostPosted: Tue Mar 01, 2005 1:08 am    Post subject: Reply with quote

Yeah but you know that manual is better Drone. Would any one like to tell me how many T5 boxes they have blown up cause this whole not being able to handle power idea is bull s**t in my oppinion. I have not seen a manual box give way due to excessive power, only due to rough gear changes and smashing syncro teeth. Whilst Im asking, any one wanna say how many autos they have smashed too?
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traindriver
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PostPosted: Tue Mar 01, 2005 4:42 pm    Post subject: Reply with quote

Not long (2 months) after I bought mah EL, I stepped out to pass a car and I lost drive, the car redlined. I throttled off and then applied power again and still no drive, then THUMP in went gear and off we went.... untill i realised that I only had 1st, 2nd and third - it wouldnt go into 4th / overdrive.
Called up the mech warranty people (thank god for mech inurance) and off my falcon went to get fixed.
Picked it up and the guy said "dunno who fixed it last time but they didnt know what they were doing" They spent near $4000 bucks fixing the box, had to replace parts "we dont normally have to replace".
3 months later and the thing was screaming whenever power was applied and it had to go back for more work.

At its last service the guy told me after the flush that there was very fine metal powders in everything... *sigh*

Now two years later and reverse has packed a s**t.... works when i put in in reverse and let idle do the work - ok on the flat - but try a little throttle and I got no reverse for a bit then shudder shudder shudder and we take off backwards like a rocket.
Mechanic has to take it out of car and send it away for inspection. Repairs could cost anywhere from $500 to $2000 bucks!!!

Bloody autos.

Never had ANY problems with my EB2 and should have kept her!!!

Drew icon_eek.gif
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0oBelialo0
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PostPosted: Tue Mar 01, 2005 7:10 pm    Post subject: Reply with quote

Just to chuck my 2c in....

I recently bought an EF and decided to test econ v normal - I'd prefer to drive in normal but if econ was gonna save me considerable money I'd live with it. Over 2 weeks (1 econ, 1 normal) normal came out anout 0.5L/100ks better than econ. I was also pushing it a fair bit harder during the 'normal' week, with plenty of hard acceleration.

A couple of weekends ago I was towing a trailer (as long as the EF and a couple of feet wider) and I found econ cut the fuel consumption considerably, according to the trip meter.

As others have mentioned, in econ I find I need to give it more juice to maintain speed, expecially when going up hill at 60ish.

My next test will be driving in normal as conservatively as I did in my econ week. I expect I'll see considerable difference.

Ben
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claytonxr6
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PostPosted: Sun Mar 06, 2005 12:38 am    Post subject: Reply with quote

Once again the ugly Economy Vs Power mode thread has started again,
I didnt really think this would pop up in the Suspension, Brake and Driveline Workshop forum, try having a look in the ECU and Fuel System Forum, mate theres a bazillion theories and answers for this subject.
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