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Ford RS Tuning Guide


Tuning the Ford RS range

The RS was last seen in the 80's with the Cosworth and now it makes a big comeback in the 21st Century as ford introduce a new range of high performance scorchers with the RS badge and although good it is possible to improve further and get the car to match your driving abilities. Check out the power tuning tips below.


Please send us your Ford Focus RS and Fiesta RS tuning tips and styling tips using the forum click here:-
Pictures of you cars are always welcome.


General Power Tuning tips:
How to improve air induction
How to maximise combustion

How to increase the exhaust rate
The importance of oil

Lightening the flywheel

Stopping the car!
Nitrous injection
Weight reduction
Tuning for MPG
Clutch Systems
Fuel & Additives
Tyres - choosing the best rubber
Choosing the best wheels
Gearbox ratio selection
Internal engine mods

Turbos & Superchargers

Cam Shafts
Suspension settings
Car insurance for modified cars.

Your Ford Focus RS and Fiesta RS tuning tips below:

The RS represents Ford s power tuning division and cars with the RS badge have been uprated. Ever since the RS Cosworth days we have really liked the RS badge and we are really glad it has been revived for the modern range of Fords.

The RS typically have stiffer suspension and have been lowered a little and also receive power upgrades. The modern RS is FWD and uses some very clever diffs to put the power down, with tuning you often experience extra torque steer.

There are some notable RS engines out there and we are big fans of the Turbo unit which can with a simple remap yield an extra 30-40% power gain.

Ideally on a turbo engine for maximum power gains you will need to have uprated the intercooler, changed the turbo internals or fitted a larger turbo and wastegate.

Brake upgrades should be considered and we recommend a big brake conversion kit or at the very least some fast road pads. Be wary of competition pads as these need to be quite warm to be effective and this is not really safe for domestic road use where the pads are cold most of the time.

Tyre choice also makes a big difference and we really rate the Eagle F1's, Proxies and sport tyres with directional tread patterns.

Question: what is the best mod for a Turbo RS engine?
Answer: A remap will usually yield the biggest power increase per £ spent. Secondly a fast road cam will improve things.

Hot topics in the Ford Focus RS and Fiesta RS Forum:-

Sticky: Poll: The Best Ford RS Model ( 1 2 3) Pixel 27-09-2009 11:43 AM by suzsx041 32 225
Ford Confirmed Rolling Road meet in Birmingham September 20th ( 1 2 3 4) Loz 20-09-2009 08:43 AM by herb 52 245 Meets/Shows If you had to stay with one marque which would it be? ( 1 2) aston 13-09-2009 12:34 AM by HDi fun 17 108 What would you put in your Fantasy garage. ( 1 2 3) waynne 08-09-2009 08:41 AM by WLBjork 44 636
What is the best movie car ever? ( 1 2 3 4 5 6) waynne 08-09-2009 12:22 AM by ez64 78 571 Hot Polls
Ford Focus RS tuned to 340bhp waynne 02-09-2009 04:34 AM by dpsubaru 7 35 News/Member Discounts Mazda 3 styling tips wanted Optimus 26-08-2009 07:36 PM by pgarner 9 32 3/323 Volkswagen VS Ford, Discuss!............. sun 24-08-2009 10:01 PM by turbonutter69 8 65 Car Styling What RWD diesels are there ( 1 2) waynne 22-08-2009 02:10 AM by aston 25 219 Diesel Chat To Strip or Not to Strip, that is the question ( 1 2) old-git 10-08-2009 10:25 PM by old-git 25 169
What is your 5 top cars ( 1 2) xavier 21-07-2009 10:10 PM by prevtec 27 158 Which cars will become cool in 20 years time ( 1 2) waynne 02-07-2009 01:33 AM by turbonutter69 23 145 Car spotting ( 1 2) waynne 24-06-2009 10:37 PM by RobBentley 16 99 question on an engine swap bigjim01 21-06-2009 07:37 AM by bigjim01 3 51
Pictures of your past cars waynne 06-02-2009 11:33 PM by Prince 9 139 exhausts for 2006 focus spike2018 22-01-2009 11:17 PM by pgarner 5 20 Ford fiesta conversion callumdessent2000 14-01-2009 06:21 PM by pgarner 5 34 Fiesta

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Use of this site: Please treat the information on this site as purely speculative – the articles are contributed and we are unable to verify the accuracy of them. We accept no responsibility for damage caused due to following a recommendation made on this site. It is your responsibility to check and verify any article with a qualified mechanic before undertaking work or following instructions. Something suitable for one model of car may be completely unsuitable for another – so we can only give generic theory hoping to appeal to our wide audience. We particularly advise caution following comments made in the forum – the 12 year experienced mechanic offering advice could turn out to be a 13 year old lad with a car magazine as his knowledge. Please drive sensibly we do not endorse speeding on the public highway or driving recklessly or in a manner than could endanger life or property. Save racing for the track and keep the roads safe.
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