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MG MGF Technical - Trophy parts listing + other info - long post!!!

OK petrol heads I have not been around here much lately, but that is because I have been 'busy'!!!

Apart from enjoying well over 30% more power, and a smoothness that is stunning, from the special head and matched VVC inlet which effectively matches the Trophy. My test drive of one some weeks ago did indicate to me that there was at bets only 'tinkering' of the engine spec to raise the power and the then non ownership of Powertrain shows why this route was followed. (Costs!!) In the search for the differences I have identified the greater proportion of the different parts used and below is a list of what I have found in different sections.

I do expect this to be printed and copied and pasted!!

Overview...

All parts listed are identified as being different from the standard VVC that is built alongside. It Follows that there are more differences between the Trophy and earlier model VVC cars and even more when comparing with the non VVC cars. I have also not looked closely at cosmetic changes so where I have seen trim etc differences I have not recorded the changes.

One interesting point has arisen is that the internal disturbances within Rover at the time of the 2000MY car launch was clearly not fully documented and as a result the latest parts slides refer to all the parts changes applicable to this change as 'APPROX VIN XD511059'. This clearly means that cars before and after what has to now been regarded as the change point may well have 'odd' parts fitted. An example is a neibours 'W' registered MGF which has orange indicators front and side.

Now to the Trophy research, starting with the Engine...

There is no difference between the normal VVC engine and the Throphy spec.

Fuel and Exhaust...

Air cleaner assembly is specific to Trophy only. different parts are as follows...
PHB 000230 - air filter assembly (Same element as VVC)
PHD 000380 - air pipe from cleaner to throttle
PHU 000170 - air cleaner mounting bracket
The inference here is a modified air cleaner with larger bore air feed. Note the resonator and cold air pick up are not showing changes against current cars, but there have been recent changes compared to older cars.

Exhaust Manifold has changed for all ECD3 compliant cars inc all the Rover saloons and is a common item. I do not know where the differences lie between this and the older manifold.

Two exhaust differences are found with the Trophy...
GEX 33778 - exhaust downpipe to cat
GEX 33779 - rear assembly (the main exhaust from cat)
The same standard cat is retained as all other cars.

The clear inference is that the extra power for the Trophy comes from just air filter and exhaust mods - much as many VVC owners have already done to similar (or better) effect.

The alloy throttle body of the Trophy is not specifically listed as all Manual cars still have a part listing shown as a plastic body (MHB 102071) however the throttle body for automatic cars is shown as MHB 102140, and there is no reference to this being plastic.

Also all ECD3 compliant cars (2001 on, On Board Diagnostics cars) have both pre and post oxygen sensors in the exhaust so those who cling to the belief that cat removal is worth while will have their desires canned since removal of the cat will stop the engine working properly and drop the engine managment into a failsafe reduced power mode. (For Deiter the VIN where ECD3 starts is 522573)

Side note - Recent mention of cars having problems with poor running that has been found to be the coolant temp sensor for the engine managment is interesting as a new sensor with a blue plastic moulding (instead of black) has now superceded previous sensors - GTR 240.

Cooling...

The engine bay cooling fan is different from all other manual cars. It is shared with the automatic cars (Stepspeed or Steptronic as it was previously called) which indicates that it is able to move more air. (Auto cars will hold higher rpms and as such should generate higher engine bay temps, especially in urbal conditions.)
PGG 000010 - engine bay cooling fan

Suspension...
Changes common to front and rear...
GSV 1225 - Knuckles (lowered, four required)
RZR 000010 - displacer springs (one per displacer)

Front only...
RNK 000010 - Displacer, one per side!
RNP 000060 - connection pipe to right hand displacer
RNP 000070 - connection pipe to left hand displacer
RBJ 000220 - Right hand lower suspension arm
RBJ 000230 - Left hand lower suspension arm

Rear only...
RPJ 000010 - Displacer, one per side
RNV 000020 - bump stop, one per side

Interesting to see the front lower arms are different, yet the replaceable parts, such as the bushes and ball joint are common across the whole range.

Wheels...
RRC 110460MNH - Trophy wheel 7x16
DTC 000050MNH - wheel centre (one per wheel)
RRC 001720EYP - Optional space saver wheel - steel

IMS Puncture repair system...
KFE 000010 - puncture repair kit (all parts)
RRO 100000 - sealant (part of KFE 000010)
KFJ 000010 - Tyre valve core (part of KFE 000010)
KFK 000010 - IMS label for tyre (part of KFE 000010)
FFH 000010 - housing for this kit to sit in the car

The steel spare is large enough to fit over the 304mm front brakes but it's size is not listed and neither is the tyre size.

Brakes...
RFB 000020 - Right hand front hub
RFB 000030 - left hand front hub
RUB 000140 - right hand front drive flange
RUB 000150 - left hand front drive flange
GBD 90850 - front disc
GBC 90206 - left hand front caliper
GBC 90207 - right hand front caliper
GRK 905028 - caliper repair kit (one per caliper)
GBP 90345AF - front brake pads

Flexible pipe feeds to the front calipers are the same and the rear brakes show no changes. It is interesting to note that the front hub changes list them a 'Trophy Anti Lock braking'.

Chassis...
AAB 460060A - Bodyshell, specific to Trophy
BMD 4600050 - Bootlid
DFD 000080LML - rear spolier (in primer)
ESR 1650 - nut and bolt kit for spoiler

There is no listing for the front spoiler.
The parts slides note that the subframe to body mountings are specific to the trophy, but doesn't list them.
The bodyshell shows some changes to the front side member assemblies, but these are commonised for all ECD3 cars from VIN 522574. Quite where the differences in the shell are is therefore not clear, but may involve additional welding and other structural additions in the actual assembly process rather than changes of parts used.

Electrical...
XBC 000520 - Right headlamp, right hand drive
XBC 000530 - Left headlamp, right hand drive
XBC 000540 - Right headlamp, left and drive
XBC 000550 - Left headlamp, left hand drive

Odds and ends...
DAH 000060 - 'Trophy 160' rear badge
AWZ 000040FAR - Can of spray paint, Trophy Yellow
AWZ 000030JFV - Can of spray paint, Trophy Blue
AWZ 000070FAR - Paint pencil, Trophy Yellow
AWZ 000060JFV - Paint pencil, Trophy Blue

OK over to anyone who can fill in any blanks!

Rog
Roger Parker

First addition...

Forgot to list the rear displacer connection pipes
RNP 000100 - right hand
RNP 000110 - left hand

These rear pipes connect to the front via a common centre section which remains common to all cars.

Rog
Roger Parker

Rog,

You really have been busy! Great post with a lot of useful info.

Thanks!
Spyros
Spyros Papageorghiou

Great, this adds some value to the BBS
(just saying this to get even more info... hehe)

Anyway, am I rigt if I am missing thepartnumber for the lip at the front spoiler. Looks as a bolt-on part to me.

Cheers,
Erik
Erik

Thanks for the info Roger. Do you (or anyone else) have any thoughts on how easy it would be to retro fit the Trophy air filter parts to a 2000MY VVC, whether an MG dealer would be happy supplying them, and how much the 3 bits would cost? How do you think it would compare with a K&N performance-wise (obviously quieter!) i.e. how much of the difference in power between VVC and Trophy is down to the filter rather than the exhaust?

Mark
Mark

Roger,

Sorry, just read your posting a bit more in detail, and saw your comment on the front lip. Hope my dealer can provide me the info in a few weeks, when the Trophy arrives here in Antwerp.

Cheers,
Erik
Erik

Nice one Rog- fantastic info. I was particularly interested to read that the Trophy uses standard bushes- I had been under the impression that some of these had been uprated.
Of equal interest was the info that the front lower arms are different... Is there a part number available for these? I'd like to get hold of the pair if possible.

Mark- there is absolutely no reason why a Trophy air box could not be fitted to a VVC or even to a 1.8MPi. Bold on parts. For best performance, use a K&N (or similar) panel filter, and figure out some kind of scoop to get as much cold air to the air intake, located in the centre of the car over the rear of the rear subframe.

Erik, that splitter is most definitely a bolt on job! Shame no part number is yet listed :o(

Rob
Rob Bell

>>Side note - Recent mention of cars having problems with poor running that has been found to be the coolant temp sensor for the engine
managment is interesting as a new sensor with a blue plastic moulding (instead of black) has now superceded previous sensors - GTR 240.<<

Just to clarify my confusion Rog- do you mean the new blue GTR 240 temperature sensor replaces the old Brown GTR 206? I wonder what the improvement is, are they retrofittable to older cars and if so, would they offer an advantage?

Oh- and I've spotted the part numbers for the lower control arms. I obviously need some specs!!! ;o)

One last thing to note generally, do ECD3 compliant cars have a CO sensor located in the exhaust pipe, after the cat? The new Lotus Elise does have this feature- and has sparked fears that the engine will not be so easy to tune for fear of constant error messages being recorded by the ECU. The other problem ofcourse is that replacement exhaust systems intended for earlier cars cannot be fitted to later ECD3 compliant cars- no where to fit the CO sensor... :o(

Rob
Rob Bell

Rob, Roger, Erik,

>>>>Erik, that splitter is most definitely a bolt on job! Shame no part number is yet listed :o(

I haven't had a good look at the front of a Trophy yet, but do all these comments mean that the front splitter can be grafted onto a MPI/VVC. That'd be ace!

Would it count as a non-standard part for insurance purposes?
David Bainbridge

Call me stupid but is the centre cap for alloys, bit with the MG logo on it, listed up here?

Need to get a set, anyone know how much they are?
Ashley

David, there are loads of pictures of the trophy on my site....

http://www.mg-rover.org/image_lib/index.php?TopicID=t160pics

HTH


Steve.
Steve Childs

Ashley,
>>>>Call me stupid but is the centre cap for alloys, bit with the MG logo on it, listed up here?
.... DTC 000050MNH - wheel centre (one per wheel)
David

Well spotted Rob, I missed entering the Trophy lower front suspension arms.

RBJ 000220 - suspension arm assembly right
RBJ 000230 - suspension arm assembly left

The inner bushes for the above are not listed as a different part to any other MGF.

The new coolant sensor GTR 240 supercedes all previous sensor listings. As to benefits I would simply say that changes are not done to pass the time of day and usually it is a reult of two driving forces. 1, cost cutting and 2 replace a less than reliable part. In this case I favour item 2.

The ECD3 cars do, as far as I am aware, all have to run with a pre and post cat lambda (oxygen) sensor, and yes it does kill the prospect of those wishing to remove their cats for whatever reason. On a more serious note it may also have a retrograde impact on the use of a 'race' cat, depending on what the parameters are for the allowable oxygen level in the post cat gas make up. If the level is very strictly controlled then we may see even the 'Race' cat not treat the exhaust sufficiently well to avoid some failsafe cutting in.

Retro fitting of standard parts makes things far more acceptable in terms of warranty issues, but still would attract the insurers to increase premium. However for some markets only manufacturers supplied parts or approved parts are allowed full stop so here some will benefit.

Clearly any VVC owner should be able to retro fit the Trophy induction and exhaust parts and expect to achieve similar power. However I will refer back to my original post which indicated that I was comparing current model cars with the Trophy and that the listing is not an exhaustive one. In terms of the power gains I would apportion a split of about 70/30 between intake and exhaust changes.

For further information the CD of the Trophy has been reduced from 0.36 to 0.35 and the CDA by a similar 0.1point to 0.61. Not a huge amount and not what I would expect to account for around a 3 to 4mph increase in top speed, which is what the aerodynamic aids seem to be doing if the top speed claims are confirmed.

Rog
Roger Parker


Hi all,

many thanks Roger for the interesting and useful info about the "160". My bet is that in no time we will see a "add on box" that delivers the voltage needed to replace the ECD3 post cat sensor ! It is after all only a low voltage output from the sensor that needs to be substituted.....

What a shame if the front spoiler canīt be bought as a "sparepart" to fit on older cars! Hopefully the aftermarket industry will fill that gap if MG donīt want to.

Regards , Carl.
Carl

Great info and such early !!!
Rog I'll add the parts list to a special document later for piblic use.

Related to the displacers, I need one to cut and compare it with an old one ... LOL.. The hacksaw remains sharp in the cellar.

The lower suspension arms make we wonder whether they changed to another camber set-up ?
OK, may be to early to think about it.

Cheers
Dieter
Dieter Koennecke

I'm a bit disappointed - I thought there would be much more trickery to report - although it's a very useful piece of research, Rog.

It would seem that a Trophy isn't really worth the extra pennies compared to an aftermarket retrofit to get better power and brakes - having said that, at least the Trophy will be in warranty...
James Allan

Except for one thing James - the Trophy comes with a warranty - tinker with an MGF yourself and you are likely to 'void' your warranty.

Ted
Ted Newman

You may void your warranty, but you don't have to live with a lurid yellow plastic cockpit!
David Bainbridge

David, you can have red, blue or black - black being my choice. The Trophy has two big points for me. It basically has all the mods I have on mine, you don't get clobbered by the insurance because they are standard equipment and you don't void the warranty because of the same reason.

But I agree, Yellow is a little bright. If I got one, it would go straight to Mike to get the console changed.

Steve.
Steve Childs

Good point David, but you can probably re-spray the interior without voiding your warranty!

Ted
Ted Newman

I would suggest that the sum of the Trophy is greater than the individual value (effect) of individual parts. Whether that becomes good value is a personal matter.

One slight correction Guys to note re my side comment on the temp sensors.

The sensor change I refer too where a blue GTR 240 has superceded all previous applies to the temperature gauge and not the engine control.

The original brown coolant temp sensor is GTR 206 and applies to all cars up to VIN 522572 and is still a current part. Newer cars, inc auto, use GTR 241 and there is no reference to that later part being suitable for the early cars. Sorry for any confusion.

Rog
Roger Parker

i wouil be interested in the air intake arrangement if it could be obtained from dealer or other supplier, the appeal is the extra power without the noise associated with the k&n.
martin

This thread was discussed between 02/06/2001 and 07/06/2001

MG MGF Technical index

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