Where to start... well I guess it was back in the Summer when I ditched the v-band for a full 5 stud 3" downpipe and lost just about all low down torque making off-boost driving less than urgent <img src="/forum/images/graemlins/grin.gif" alt="" /> So much so that it made my coupé very black and white i.e. it was either on or it was off! So back to the drawing board, I either revert back to my previous setup, change to a smaller turbo or really have a good think <img src="/forum/images/graemlins/idea.gif" alt="" /> Enter the magician, he needs no introduction, pure genius in a car... Barbz <img src="/forum/images/graemlins/laugh.gif" alt="" />

So we started talking about what could be done and of course the obvious 2.4 conversion sprung up but while I am not a poor man lets just say I couldn't quite commit myself that far <img src="/forum/images/graemlins/wink.gif" alt="" /> Sooo, what to do? Well we both believed that the 2.4 had created a little bit of a chasm between its smaller 2.0 brother. There was no reason not to pursue the 2 litre with a vengeance, it simply required a bit of thought to create the right mix… so that’s what we did <img src="/forum/images/graemlins/laugh.gif" alt="" />

Roll on 3 months and we arrive at the breaking point. The mechanical element had been masterfully put in place by Monsieur Barbz, all it needed now was an engine management up to the job. Going standalone was an option but I wanted to try and force the issue by keeping with the standard Bosch Motronic and Unichip combo which had thus far served me so well. Possible… well first off was running bigger injectors, 440cc the weapon of choice, so this immediately creates an issue with idle, throttle response, closed loop etc. Then we have the fabled MAF creating a restriction at the top end and therefore allowing enough air to flow and fuel accordingly.

At this point I should thank Suba for introducing FCCUKers to the new and undisputed heavyweight champions of Coupé mapping… Perfect Touch <img src="/forum/images/graemlins/smile.gif" alt="" /> The holy grail of Coupé mapping, live mapping, is now a reality! This was much more than a remap, this was a “new” map for a “new” engine going further into the Bosch Motronic than ever before. Rob is the mapping guru at Perfect Touch, a more dedicated or skilled mapper you will not find anywhere. In fact Rob is to mapping what Barbz is to engine building <img src="/forum/images/graemlins/laugh.gif" alt="" /> So what could be done? Well the Unichip was tried but just wasn’t capable of such dynamic management. This is not surprising as while it is very effective for fine tuning the standard fuelling setup or even slightly greater, it is unfortunately out of range for more extreme requirements. So the only resource left was for Rob to truly get to grips with the Bosch Motronic… this was no easy task!

After 4 days of battling with bytes and code, relentless exhaust fumes, a multitude of never ending questions from myself, Rob created a brand new base map allowing for perfect idle, throttle response, lambda readings, ignition timing, rpm limiter and POWER <img src="/forum/images/graemlins/laugh.gif" alt="" /> I now only have the Unichip controlling my water/methanol injection which works great <img src="/forum/images/graemlins/smile.gif" alt="" /> This is a complete first in coupe tuning (at least in the UK) where the Bosch Motronic has been successfully modified to accommodate such a highly tuned engine. Nice one!

So the results… if you haven’t already scrolled down to this bit <img src="/forum/images/graemlins/wink.gif" alt="" />

Wheel Power @ 1.5bar

392bhp @ 7000rpm

Flywheel Power @ 1.5bar

420bhp @ 7000rpm

355lbs/ft @ 5500rpm

Not too shabby for a 2 litre Fiat on pump fuel without any nitrous <img src="/forum/images/graemlins/wink.gif" alt="" /> There were so many runs conducted that is hard to recall and certainly most were not saved during the course of developing the new map. The best run from memory produced 398bhp @ the wheels <img src="/forum/images/graemlins/smile.gif" alt="" /> For some reason the fly power is a bit lower than normal due to very low transmission losses of 6%!!! Looking at Suba and TurboNick’s results at Perfect Touch they both had 15% losses, which is just about perfect for FWD, and Nigel and Highwayman had 10-11% which is a little on the low side… but 6%?!!

If we use the Puma racing FWD formula of wheel power +10bhp /0.9 (approximately 12-15% transmission losses) then this gives a fly power of 447bhp and 370lbs/ft… not that it matters as the business end is wheel power <img src="/forum/images/graemlins/smile.gif" alt="" />

On the road I have to admit that it’s borderline ridiculous… just perfect then <img src="/forum/images/graemlins/laugh.gif" alt="" /> Off boost driving is now a pleasure with very good throttle response and super smooth cruising. Thankfully the Apexi can limit the boost in first and second so as to get maximum traction but when 3rd gear lets go I would not be lying to say that it feels quicker than first gear in a standard coupe and requires a strong arm to keep it in check. The top end is really quite something with a huge power band that just keeps holding all the way to redline at 7750rpm… and all at just 1.5bar <img src="/forum/images/graemlins/smile.gif" alt="" /> Yesterday driving back it was horribly wet which meant 4th gear was lighting up the wheels (proper wheel spin!) Just want some dry weather now… maybe at Silverstone <img src="/forum/images/graemlins/idea.gif" alt="" /> <img src="/forum/images/graemlins/smirk.gif" alt="" />

So there we go, another coupe tuning story <img src="/forum/images/graemlins/laugh.gif" alt="" /> I like to think I played a small part in this tale (project manager me thinks <img src="/forum/images/graemlins/tongue.gif" alt="" />) but in reality it comes down to some seriously skilled people pushing the boundaries <img src="/forum/images/graemlins/wink.gif" alt="" /> Barbz is the man, nobody knows more about the coupé and quite simply nobody does it better. Coupled with our new friends Rob and Claudio at Perfect Touch, coupé tuning has just turned another page <img src="/forum/images/graemlins/smile.gif" alt="" />

Well you did what you said you were going to do all those months ago, well done <img src="/forum/images/graemlins/wink.gif" alt="" /> Got no idea about all that gobledegook in the middle but the figures look nice <img src="/forum/images/graemlins/cool.gif" alt="" /> <img src="/forum/images/graemlins/shocked.gif" alt="" />

Bagsy a ride at Silverstone. Purely for comparison purposes obviously <img src="/forum/images/graemlins/laugh.gif" alt="" />

Excellent ~ 420 bhp from a 2 litre without nitrous...very impressive, I bet these slippy roads are a real test of nerve, but a whole lot of fun. <img src="/forum/images/graemlins/laugh.gif" alt="" />

This live mapping is really picking up steam. I'll have to save some money for this and an EBC once i get my new exhuast.

.....good work there Flea <img src="/forum/images/graemlins/cool.gif" alt="" />

flea,
without giving away to much info what else have you added to your set up??

Jamie

<img src="/forum/images/graemlins/cool.gif" alt="" /> <img src="/forum/images/graemlins/cool.gif" alt="" />

Nice one Flea <img src="/forum/images/graemlins/laugh.gif" alt="" />! Can't wait to see you in action at Silverstone next week, keeping the Exiges et al honest <img src="/forum/images/graemlins/smirk.gif" alt="" />. Hope you've got your brakes sorted <img src="/forum/images/graemlins/shocked.gif" alt="" /> <img src="/forum/images/graemlins/wink.gif" alt="" />.

Phil

Ditto. And any graphs to speak of??

Ross

what turbo are you running then flea?

I take it they have ironed out the live mapping problems they had with Jimbo's car (not being able to access certain maps or something like that)?

<img src="/forum/images/graemlins/shocked.gif" alt="" /> And the crown is stolen and firmly on King Flea's head <img src="/forum/images/graemlins/love.gif" alt="" /> What a monster <img src="/forum/images/graemlins/cool.gif" alt="" />

Flea: Have you changed any hardware or did you just do a Live mapping?
Which octane did you use?

Awesome Flea, you must be so pleased. <img src="/forum/images/graemlins/cool.gif" alt="" />

So, other than the 2.4's, you've now got the most powerful 1998cc engine in the UK, possibly the world, you lucky git. <img src="/forum/images/graemlins/tongue.gif" alt="" /> <img src="/forum/images/graemlins/laugh.gif" alt="" />

Nice one. <img src="/forum/images/graemlins/cool.gif" alt="" />

As said by Matty, awesome Flea!!!!!!!!!!!

392 @ the wheels is insane for a 2ltr FWD <img src="/forum/images/graemlins/smile.gif" alt="" /> maybe its time for a proper LSD?

So whats the full spec of this engine/turbo/ancillaries?

No, nyssa7 has, 530-ish?

Oh and well done Flea <img src="/forum/images/graemlins/smile.gif" alt="" />

Let's see if my plans will beat your output <img src="/forum/images/graemlins/laugh.gif" alt="" />

Er- actually it was 562 at the last map, but we'll retime the cams, chop out one of the silencers (89db is a joke for a race car) and try again in spring

But Flea's is still an impressive figure given that mine really is a race engine these days

I stand corrected, apologies Nyssa. <img src="/forum/images/graemlins/smile.gif" alt="" />

Hmm, same engine but it's not a coop though. So Flea is still the daddy <img src="/forum/images/graemlins/laugh.gif" alt="" />

Excellent results Flea <img src="/forum/images/graemlins/cool.gif" alt="" />

So, is anybody going to tell us what mods is Flea running?
<img src="/forum/images/graemlins/laugh.gif" alt="" />

V.

I think its all hush hush at the moment. Knowledge = money. So i think your gonna have to speak to Barbz and ask how much and get it actualy fitted yourself before you will know. Impressive power dude.

Ross

Is this not up to date then? The RR results match.

No. because he got 392 at the wheels this time!!!

Ross

<img src="/forum/images/graemlins/blush.gif" alt="" />

h2ypr,

I don't even have a 20VT, I just wanted to know basic things, like, is he running stock internals at this power???
Besides, I'm too far away from Barbz for him to do any work in my car <img src="/forum/images/graemlins/grin.gif" alt="" />

cheers

Im in the same position. Too far away. But thats the way it has to be! I doubt hes running standard internals. Just because of the power.

Ross

Fantastic results!!! I hear it is also relatively lag free which is even more impressive!! <img src="/forum/images/graemlins/laugh.gif" alt="" /> Good to hear that the Motronic is finally tamed for 440cc/min injectors too.

Holy fccuk!! Come on tell us what engine mods you have <img src="/forum/images/graemlins/smile.gif" alt="" />