500+bhp Mk3 Fiesta Project
Discussion
Wow... insane level of detail, insane quality of finish... just wow.
I've just read the entire thread from start to finish, not sure how I missed it before now actually, but the ONLY 'criticism' that I would have is the washer jets, haha... and I might have Speedline Turini wheels in bright silver rather than the TD since they look a little more classy and would tie in with the deep metallic red paint and luxury interior better IMO, but that's all down to personal preference.
Phenomenal project.
Cheers,
Grant
I've just read the entire thread from start to finish, not sure how I missed it before now actually, but the ONLY 'criticism' that I would have is the washer jets, haha... and I might have Speedline Turini wheels in bright silver rather than the TD since they look a little more classy and would tie in with the deep metallic red paint and luxury interior better IMO, but that's all down to personal preference.
Phenomenal project.
Cheers,
Grant
Over the past week I've become very interested in the Fiesta one again. Before the hiatus I completed the bulk of the work from the rear of the car to the front bulkhead, leaving the engine bay and management loom to finish, and as of yesterday I have resumed work on completing it.
Ford EECV Engine Management
The original plan was to use the Ford EECV engine management loom from a 2002 Mk5 Fiesta Zetec - matching the car loom I'd used - to run the fans, A/C, and provide the VSS, ECT etc. signals to the instrument cluster; actual engine management duties would be provided by separate Pectel T6 ECU. The Ford ECU will actually output the necessary signals and run the ancillaries providing it is supplied with a CPS signal; technically it will be in limp mode but that doesn't really matter given its purpose as a slave to the Pectel 'standalone' unit.
The Pectel unit is very old now but still well regarded, and is the ECU of choice for a tuner in the Ford scene who has a fair bit of experience tuning high power Zetec Turbo's on their engine dyno, which happened to be built by Ian. For me the downside to the Pectel is that it's 15 years old, still fetches around £2.5k for a loom and unlocked ECU, and I end up with the semi-redundant Ford ECU.
The management I've always liked is the Focus RS Mk1 EECV; EECV is fairly powerful and mass air based whereas the Pectel is speed density. I'd originally given up on the RS EECV because none of the tuners seemed to have the hang of mapping it, but things have changed:
The Sabre tune is on a rolling road and not an engine dyno, but I've decided to go for it and keep an open mind about going back to Pectel and an engine dyno mapping session, if for whatever reason I'm not happy with the result. Going for an EECV allows me to keep a factory wiring loom, EOBD2 diagnostics, and emissions control systems such as evap, and dual lambda. With an ever greater focus on emissions it may help me to keep running the car further into the future.
EECV PATS Security
The PATS security/immobiliser system integrated into EECV ECUs need two programmed keys to enable an end user to reprogram another without diagnostic equipment; there's a learning process that can be followed from the drivers' seat. The problem for a project car is most used ECUs only come with one key - if at all! The answer was always a trip to a main dealer for a PATS memory erasure and reprogram for a new set of keys. Expensive and a little difficult to arrange for a partially complete project car.
Following a bit of research today I've obtained a freeware tool which can erase an EECV PATS ECU key memory and reprogram via the EOBD2 port for a new set of keys.
The transponder in Ford keys can only be programmed once, but I've found new replacements are readily available separately for around £5. Here's the tiny ID60 transponder unit - about 25mm long x 4mm thick:
Based on my new found knowledge I bought a used Focus RS ECU that didn't come with a matching key. £49.99
I will swap the transponders in my existing Fiesta lock set with new replacements and then reprogram the RS ECU for the new transponders (keys).
My Fiesta and EECV
The Mk3 Fiesta used the EECIV generation of engine management which is very old now, but I’ve installed a modified loom from a 2002 petrol Fiesta (Mk5) which did have EECV - so I’m part way there – but, there’s a catch; there are two types of EECV architecture: 60 pin and 104 pin.
The 104 pin has more input and outputs, and is used for turbo applications and TDi cars requiring DBW, and electronic fuel pump control etc.
The Focus RS of course uses the 104 pin management so I need to figure out how to best integrate that into my car. Thankfully there was one model in the 1999-2002 Fiesta range which did have 104 pin EECV, and that was the 1.8 Endura-DI turbo diesel. A few years ago I had the foresight to buy a complete loom from an Endura-DI car with A/C and EHPAS (very rare) – just in case...
I’m now working through wiring diagrams to determine my plan of attack. I've spent some time comparing pinouts in Excel and unfortunately the Endura-DI loom isn't remotely similar to the pin configuration of the Focus RS, and it’s complicated further by a different wiring colour scheme for Focus RS and Fiesta, so I’m now at the stage of planning the optimal approach for converting a Fiesta engine bay loom and fusebox for Focus RS EECV.
Ford EECV Engine Management
The original plan was to use the Ford EECV engine management loom from a 2002 Mk5 Fiesta Zetec - matching the car loom I'd used - to run the fans, A/C, and provide the VSS, ECT etc. signals to the instrument cluster; actual engine management duties would be provided by separate Pectel T6 ECU. The Ford ECU will actually output the necessary signals and run the ancillaries providing it is supplied with a CPS signal; technically it will be in limp mode but that doesn't really matter given its purpose as a slave to the Pectel 'standalone' unit.
The Pectel unit is very old now but still well regarded, and is the ECU of choice for a tuner in the Ford scene who has a fair bit of experience tuning high power Zetec Turbo's on their engine dyno, which happened to be built by Ian. For me the downside to the Pectel is that it's 15 years old, still fetches around £2.5k for a loom and unlocked ECU, and I end up with the semi-redundant Ford ECU.
The management I've always liked is the Focus RS Mk1 EECV; EECV is fairly powerful and mass air based whereas the Pectel is speed density. I'd originally given up on the RS EECV because none of the tuners seemed to have the hang of mapping it, but things have changed:
The Sabre tune is on a rolling road and not an engine dyno, but I've decided to go for it and keep an open mind about going back to Pectel and an engine dyno mapping session, if for whatever reason I'm not happy with the result. Going for an EECV allows me to keep a factory wiring loom, EOBD2 diagnostics, and emissions control systems such as evap, and dual lambda. With an ever greater focus on emissions it may help me to keep running the car further into the future.
EECV PATS Security
The PATS security/immobiliser system integrated into EECV ECUs need two programmed keys to enable an end user to reprogram another without diagnostic equipment; there's a learning process that can be followed from the drivers' seat. The problem for a project car is most used ECUs only come with one key - if at all! The answer was always a trip to a main dealer for a PATS memory erasure and reprogram for a new set of keys. Expensive and a little difficult to arrange for a partially complete project car.
Following a bit of research today I've obtained a freeware tool which can erase an EECV PATS ECU key memory and reprogram via the EOBD2 port for a new set of keys.
The transponder in Ford keys can only be programmed once, but I've found new replacements are readily available separately for around £5. Here's the tiny ID60 transponder unit - about 25mm long x 4mm thick:
Based on my new found knowledge I bought a used Focus RS ECU that didn't come with a matching key. £49.99
I will swap the transponders in my existing Fiesta lock set with new replacements and then reprogram the RS ECU for the new transponders (keys).
My Fiesta and EECV
The Mk3 Fiesta used the EECIV generation of engine management which is very old now, but I’ve installed a modified loom from a 2002 petrol Fiesta (Mk5) which did have EECV - so I’m part way there – but, there’s a catch; there are two types of EECV architecture: 60 pin and 104 pin.
The 104 pin has more input and outputs, and is used for turbo applications and TDi cars requiring DBW, and electronic fuel pump control etc.
The Focus RS of course uses the 104 pin management so I need to figure out how to best integrate that into my car. Thankfully there was one model in the 1999-2002 Fiesta range which did have 104 pin EECV, and that was the 1.8 Endura-DI turbo diesel. A few years ago I had the foresight to buy a complete loom from an Endura-DI car with A/C and EHPAS (very rare) – just in case...
I’m now working through wiring diagrams to determine my plan of attack. I've spent some time comparing pinouts in Excel and unfortunately the Endura-DI loom isn't remotely similar to the pin configuration of the Focus RS, and it’s complicated further by a different wiring colour scheme for Focus RS and Fiesta, so I’m now at the stage of planning the optimal approach for converting a Fiesta engine bay loom and fusebox for Focus RS EECV.
Edited by mwstewart on Sunday 13th December 02:12
RumbleOfThunder said:
This is the "whoosh!" part of the build for me 
.
. EarlOfHazard said:
It's people like mwstewart that got the Vulcan in the air. Hey maybe that could be your next project?
Thank you, too kind - the people who do design and make those things are far more switched on than I am 
Incidentally my mate's Dad flies - or did fly - XH558. I was sad to see her retire.
mwstewart said:
I'm starting work on this once again, and I'm starting by finishing the engine bay loom however, I no longer have a copy of TIS - can anyone help?
Which data are you after? I might have an old disc lying around somewhere. Failing that I have access to online systems so might be able to get some of the info you are looking forGassing Station | Readers' Cars | Top of Page | What's New | My Stuff