New ford focus RS
- Thread starter mark35
- Start date
Well I think the tuning potential is huge, let me show you a wee snipped of what the Americans are achieving with this engine:
Obviously in the Mustang they can go more wild with the torque with it being RWD.
On the RS they have to limit torque ability due to the RDU is part of the 4WD system, when the RDU detects too much torque the car simply becomes FWD, so it is about having great drivability and maintaining the 4WD system and not over powering it causing it to operate in 2WD mode.
But with all things check how much a new engine is, transmission etc. before you void your warranty because if you brake it you need to fix it from your own pocket.
Associate
- Joined
- 23 Oct 2013
- Posts
- 1,253
afaik it's an evolution of the Mazda DISI engine used in the MPS. Anyone know if any of the internals forged? (don't think I've seen any comment suggesting this)
The MPS DISI engine seems to be quite weak and a number seem to have popped over the last couple years, so might be 1 of the reasons why the power has been reduced compared to what the engine can quickly do with a map - 240 to 316HP is a 32% increase, so a fair lump... I'm also guessing that's HP at the wheels (despite saying "Eng Power") as I thought it was advertised as about 340 bhp. Is 100bhp a realistic drivetrain loss? seems a lot?
It would be a real shame if the new RS starts throwing rods in the way the MPS is starting to get a reputation for in the owner's group.
The MPS DISI engine seems to be quite weak and a number seem to have popped over the last couple years, so might be 1 of the reasons why the power has been reduced compared to what the engine can quickly do with a map - 240 to 316HP is a 32% increase, so a fair lump... I'm also guessing that's HP at the wheels (despite saying "Eng Power") as I thought it was advertised as about 340 bhp. Is 100bhp a realistic drivetrain loss? seems a lot?
It would be a real shame if the new RS starts throwing rods in the way the MPS is starting to get a reputation for in the owner's group.
Last edited:
Its wheel power but US figures.
Best to just look at the gains, not final number and a few Mustangs have popped in US as well even running stock.
Hence I say anyone planning to play be sure to have funds to fix it.
In black is looking menising .... Might have to change my order from Magnetic.... Need to see one in the flesh.... I've also order the shell seats, but will see what they are like on a demo car.. As an automotive seating and interior engineer think I'll be able to judge
Associate
- Joined
- 3 Mar 2009
- Posts
- 1,840
Caporegime
- Joined
- 22 Oct 2002
- Posts
- 28,899
- Location
- Boston, Lincolnshire
Drift button kicked in y0.
Associate
- Joined
- 20 Nov 2014
- Posts
- 372
New recall now going out safety issues with the rear diff 
Associate
- Joined
- 6 Nov 2002
- Posts
- 1,213
Whilst there is no official news from Ford, I found this on focusrs.org:
So I'm guessing from that they must have found 'an issue' and rectified it, whilst investigating the problem part. So possibly the diff, but no confirmation just yet.
So I'm guessing from that they must have found 'an issue' and rectified it, whilst investigating the problem part. So possibly the diff, but no confirmation just yet.
Associate
- Joined
- 6 Nov 2002
- Posts
- 1,213
Soldato
- Joined
- 19 Oct 2002
- Posts
- 18,155
- Location
- Shakespeare’s County
Hmmm dunno if it effected Evoques?
It's not.
- Joined
- 14 Jun 2004
- Posts
- 17,556
- Location
- Newcastle U/T
Hmm, interesting...
AFAIK the DISI engine was ford designed to start with, then Mazda tweaked it and added a turbo. It's not so much the internals on the MPS it's the known issues with the timing chains/VVT Actuators, there was a number of recalls int he states I don't think we saw over here either. there was even an uprated VVT released by mazda due to the issues with the first one, was the locking pin on them I believe.
New recall now going out safety issues with the rear diff
The weak points on the Mazda were the mounting brackets made of cheese
Also do bear in mind that due to the limited number of the MPS's on the road then botht he facebook group and the forum has a very large number of the actual owners, therefore any failings are noted pretty quickly lol
Personally I've been through 3 6mps's now and not really had any major issues.
CV joint popped
PS pump popped
VVT/Timing kit replaced (peace of mind)
And all of those 3 were on different cars haha
Don't know why we're talking Mazda in a Focus RS thread. Years ago Ford have had a 2.3 Duratec engine that was based on the 2l - a couple of Fiesta ST (mk6) tuners got the 2.3 block, stuck on the ancillaries and head from the 2l and added a supercharger.
Same thing with the 2.3l Ecoboost, based on the 2l engine. Doesn't take a lot to bore/stroke a block to get that extra .3 so I don't see why they'd borrow an old engine and spend loads making it compliant for the latest emissions standards.
Same thing with the 2.3l Ecoboost, based on the 2l engine. Doesn't take a lot to bore/stroke a block to get that extra .3 so I don't see why they'd borrow an old engine and spend loads making it compliant for the latest emissions standards.
Caporegime
- Joined
- 22 Oct 2002
- Posts
- 28,899
- Location
- Boston, Lincolnshire
Most production car engines are based on old designs. The 1.4 Turbo found in the Alfa Romeo 4C can cast its origins back to the original fire engines of the mk1 fiat uno. While Ford and Mazda no longer do business it wouldn't surprise me if ford used the 2.3 turbo as a base then put their mark on it.
Like I said, Ford have a 2.3 block in their back catalogue anyway, so they don't need to borrow engines from a company they have nothing to do with. The Mazda engine is 2260cc and the Ford one is 2300cc with a slightly different bore size.
Last edited:
Soldato
- Joined
- 9 Jan 2008
- Posts
- 6,521
- Location
- London/Camberley
I believe the only relation between the Mazda and Ford engines is a distant one. The 2.3L Ecoboost is based on the 2L Ecoboost which is in turn based on the Mazda MZR engines. So the 2.3L Ecoboost is more like a distant cousin to the Mazda 2.3L engine.