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Tuning & Upgrades Discuss performance enhancements for your Alfa Romeo

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Just have checked Alfa recommendation on Selenia webpage - Selenia - tblAlfaRomeoAuto

Alfa Romeo GT 1.9 JTD-M 170HP
TUTELA TRANSMISSION MATRYX SAE 75W-85, API GL 4

Alfa Romeo GT 1.9 JTD-M 150HP
TUTELA TRANSMISSION TECHNYX SAE 75W-85, API GL 4 PLUS

Alfa Romeo 147 1.9 JTD-M 150 CV - Q2
TUTELA TRANSMISSION TECHNYX SAE 75W-85, API GL 4 PLUS

Alfa Romeo 156 SPORTWAGON Q4
TUTELA TRANSMISSION TECHNYX SAE 75W-85, API GL 4 PLUS
TUTELA TRANSMISSIONS W 90/M-DA SAE 80W-90, API GL 5 (rear differential)

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Matryx is a newer product which was not available when Q2 came to market AFAIK... So I guess if you want to go "selenia route" then Matryx should be a better choice.

But IMHO you can get much better oils for that kind of money... lets say Motul Gear 300 (LS) or the Redline I suggested in previous post... Both are far superior to anything Selenia has to offer.
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Well, I'm not sticked to Selenia, just looked for Alfa recommendation as I'm in doubt using Castrol TAF-X (I already have in garage).

Unfortunately there is no REDLINE oils available in CZ (at least I haven't seen them here). MOTUL Gear 300 75W90 is available here.
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Well you can still order them through Opie oils...
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Quote:
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Matryx is a newer product which was not available when Q2 came to market AFAIK... So I guess if you want to go "selenia route" then Matryx should be a better choice.

But IMHO you can get much better oils for that kind of money... lets say Motul Gear 300 (LS) or the Redline I suggested in previous post... Both are far superior to anything Selenia has to offer.
Matryx was always recommended voor 20v and other gm based gearboxes.
Thought it was because off other used materials for synchromesh rings.
Looks odd that it is also recomended for 170bhp gt
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Get the Motul...

I have in my 147 for a few years with the Q2....
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Yep, have Motul Gear 300 on the way as Redline is not available here (and I'm not willing to pay half the price of these 3 bottles for shipping).

Btw anyone has tried BG MGC (Multi Gear Concentrate)? BG Products, Inc.
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I say its ********. Any proper gearbox oil has all the additives that it needs inside. No need to add anything.
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So, finally an update for my project.

FMIC is installed. It went a lot faster than with my previous car, now that I've prepared all pipes. Fog lights are still in place. Some pics:

fmic engine bay 1.jpg
fmic engine bay 2.jpg
fmic front.jpg

And of course, I made some logs before and after. The result is really awesome:
Temperature difference (map-maf) during 100-160 kph acceleration:
Luchttemp fmic.jpg
The FMIC knocked off 40-50 degrees Celsius !!

Airmass to rpm in 3th gear:
Luchtmassa fmic.jpg
Around 8% more airmass here. Ofcourse this value increases with higher load.
Also nice to see is, airmass is 1 on 1 comparable to engine torque as you see in the curve form.

So now, the installation of the GTB turbo is not that far away anymore...
I'll keep you updated!

Giulia JTD 180 AT8
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Very similar results to mine... I also saw temperature drop of over 40C after instaling FMIC. Problem is that over time the fins of the IC get clogged with dirt/insects and you can very clearly see drop of performance over time. I would say after 1 year of use you get around 5-10C higher intake temps. I was thinking of disassembling mine and cleaning it, but I dont really have time for that.

Your observations on airflow/torque correlation are quite correct, you only need to take into consideration the friction torque of the engine that is rising with revs.
Around 40Nm @2000rpm and 65Nm @4000rpm

And of course, the air to fuel ratio is important. Usually AFR at 2000rpm is lower than at 4000rpm...

BTW, how much boost with stock turbo?
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Very similar results to mine... I also saw temperature drop of over 40C after instaling FMIC. Problem is that over time the fins of the IC get clogged with dirt/insects and you can very clearly see drop of performance over time. I would say after 1 year of use you get around 5-10C higher intake temps. I was thinking of disassembling mine and cleaning it, but I dont really have time for that.
Same problem here, lots of ideas but so little time.

Quote:
Your observations on airflow/torque correlation are quite correct, you only need to take into consideration the friction torque of the engine that is rising with revs.
Around 40Nm @2000rpm and 65Nm @4000rpm
That is ofcourse true and not taken into account.

Quote:
And of course, the air to fuel ratio is important. Usually AFR at 2000rpm is lower than at 4000rpm...
Yes, ofcourse A/F ratio should be kept constant.

Quote:
BTW, how much boost with stock turbo?
2450 mbar, enough for OEM turbo.
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And of course, I made some logs before and after. The result is really awesome:
Temperature difference (map-maf) during 100-160 kph acceleration:
Attachment 142992
The FMIC knocked off 40-50 degrees Celsius !!

Airmass to rpm in 3th gear:
Attachment 142993
Around 8% more airmass here. Ofcourse this value increases with higher load.
Also nice to see is, airmass is 1 on 1 comparable to engine torque as you see in the curve form.

So now, the installation of the GTB turbo is not that far away anymore...
I'll keep you updated!
What do you use for logging? I _really_ miss a good tool that will be able to log IQ, MAF etc. at a high enough resolution.
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I think he uses FiatEcuScan, as most of us here.

Btw. you need KKL cable (and enabled fast KKL protocol in the logging sw) for high resolution.
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I think he uses FiatEcuScan, as most of us here.

Btw. you need KKL cable (and enabled fast KKL protocol in the logging sw) for high resolution.
Yes indeed, FiatEcuScan. IMO a very nice program.
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btw. well done Joel, but we need mooore
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btw. well done Joel, but we need mooore
You mean more logs, or more mods to my car?
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mooore mods, mate
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mooore mods, mate
I thought so.

Good thing is, it's not that much work to put the GTB on since it should be plug & play.
Hopefully I will have some free time in a weekend soon to mount it.
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I think he uses FiatEcuScan, as most of us here.

Btw. you need KKL cable (and enabled fast KKL protocol in the logging sw) for high resolution.
Hmm I might look into that.

My problem is that my car does not have any OBD-II compliance (Peugeot 206 HDI 2001), only way to get logged data is by using an original tester, but it is painfully slow. Approx 1 update per second. I have made a datalogger that logs, Turbo, AFR, EGT, Railpressure and rpm, but I cannot get logs with IQ.

I hope that the fiatecuscan can be made to work..
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I'm afraid it can't. I tried to connect to Lancia Phedra 2.2JTD, which is defacto Peugeot 2.2HDI engine and it didn't detect the ECU.
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I'm afraid it can't. I tried to connect to Lancia Phedra 2.2JTD, which is defacto Peugeot 2.2HDI engine and it didn't detect the ECU.
hmm if the car type is defined in the 95P08, then we can alter the image in it to read "FIAT".

The fiat was also sold with the 2.0l HDI enigne running an EDC15C2, so if it works on this one (it does according to the supported cars list) then I hope it will work on mine.

..but I need to tinker a bit in order to get it to work I think.
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Finally... I installed the GTB turbo to my car.
All custom parts I made did fit good, and the compressor housing is just clear of the gearbox housing without modding it.
But exhaust, compressor outlet and actuator are very close to each other.

The pics:
GTB 1.jpg

GTB 2.jpg

GTB 3.jpg

GTB 4.jpg
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.... I have only one issue.

The oil feed banjo bolt is leaking. I tried to tension it more, but then I felt I ruined the thread in the engine block.
So I removed it and put it back with some loctite on it. Now it's still leaking, but only with a droplet every 30 secs or so.
I ordered a longer banjo bolt (since the original M12 one is in only about 8-10mm), I hope this can be tensioned just enough. I do have a nasty feeling about it since it's about the worst spot to ruin thread.
Hope I got it fixed asap, if someone has a good suggestion for me, please share.

GTB oil feed problem.jpg
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Looks nice Joel
I would wrap the downpipe/front exhaust pipe, or put there some insulation sheet at least.
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Looks nice Joel
I would wrap the downpipe/front exhaust pipe, or put there some insulation sheet at least.
Thanks!
Good plan, I will do that for sure.
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