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tow bar
by G Walker - 24/08/26 06:52 PM
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Forums39
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Jun 14th, 2026
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Joined: Jun 2012
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OP
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Just picked up my car from Williams having had their Duratec Plus 4 ECU remap done. The improvement is more than I was hoping for: the previous torque 'hole' at 3000 rpm has been filled in and there is some proper shove above 5000. It may help that I already had a modified exhaust, but I'm really pleased with the result. Definitely worth the money in my opinion.
Richard
2019 M3W
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L - Learner Plates On
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Did your car have "gurgles" / "pops" on lift off with the modified exhaust, and if so did the remap remove the gurgle noise?
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Joined: May 2012
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
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Brilliant! Enjoy  A remap also helps the torque curve on the 1.8 Duratec but well worth considering liberating the restricted butterfly movement in the throttle on the 1.8 engine too 
Roger
2011 Plus 4
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Sounds interesting......
Any idea on numbers gained?
Andy
2011, 4/4, 2.0, 75th Anniversary
2016, VW Polo GTI
2012, BMW 520d Touring
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Joined: Jun 2012
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L - Learner Plates On
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OP
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Sounds interesting......
Any idea on numbers gained? Nick at Williams suggested '20 + 20' on power and torque which feels about right. I have rolling road power / torque curves from when the car was a year or so old, tempted to repeat for a 'before and after' comparison.
Richard
2019 M3W
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Joined: Jun 2012
Posts: 234
L - Learner Plates On
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OP
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Joined: Jun 2012
Posts: 234 |
Did your car have "gurgles" / "pops" on lift off with the modified exhaust, and if so did the remap remove the gurgle noise? Yes the modded exhaust has all the right noises on lift off, no change with remap :-)
Richard
2019 M3W
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Joined: Apr 2017
Posts: 1,799 Likes: 4
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
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Slightly off topic but does anyone know how to remap the 1999 Silver Top Zetec in the 4/4? I'm told its difficult with older non OBD2 ECU.
Who's the expert on these older Fords?
Bob
2009 Black Roadster
1999 4/4 2 litre Zetec
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Joined: Sep 2016
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Sounds interesting......
Any idea on numbers gained? Nick at Williams suggested '20 + 20' on power and torque which feels about right. I have rolling road power / torque curves from when the car was a year or so old, tempted to repeat for a 'before and after' comparison. Sounds worth while then. Having said that you have exhaust mods so may be it wouldn't be so good on a standard car. Definitely something to think about 
Andy
2011, 4/4, 2.0, 75th Anniversary
2016, VW Polo GTI
2012, BMW 520d Touring
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Joined: May 2012
Posts: 1,702 Likes: 35
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
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Posts: 1,702 Likes: 35 |
Did your car have "gurgles" / "pops" on lift off with the modified exhaust, and if so did the remap remove the gurgle noise? Somewhere along the way I have lost that subtle popping that the car originally had when you lift your foot off 
Roger
2011 Plus 4
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Joined: Sep 2009
Posts: 77 Likes: 4
Just Getting Started
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Just Getting Started
Joined: Sep 2009
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I have had individual throttle bodies and Librands exhaust installed on my 2010 Duratec Plus 4. I also have had a vacuum manifold fabricated for the throttle bodies. The crankcase breather tube goes into this. It then goes to a separate vacuum chamber and then to the brake system.
The car has also be re-mapped specifically for E10 fuel (98 octane). Peak power (rolling road) is 141.1kw (189bhp). Peak torque is 512.2 Nm. Torque is high but about 8% is lost in the transmission and also at the flywheel. The testing was done in 3rd gear.
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