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(Post Link) post #1 of 18 Old 31-08-18 Thread Starter
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Project alfa 156 1.9 jtd 16v E3 with gtb2056v

Hello i have one alfa romeo 156 1,9 jtd 16v E3 140cv, these are the photos of the project of coupling turbo of an alfa 159 210cv gtb2056v
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File Type: jpg 2.jpg (72.2 KB, 16 views)
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(Post Link) post #2 of 18 Old 31-08-18 Thread Starter
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more images
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File Type: jpg 11.jpg (108.8 KB, 10 views)
File Type: jpg 10.jpg (45.6 KB, 10 views)
File Type: jpg 9.jpg (49.1 KB, 11 views)
File Type: jpg 7.jpg (52.3 KB, 10 views)
File Type: jpg 12.jpg (41.0 KB, 9 views)
File Type: jpg 13.jpg (65.1 KB, 10 views)
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(Post Link) post #3 of 18 Old 31-08-18 Thread Starter
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I had downpipe, but I had to do it again
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File Type: jpg 17 vieja.jpg (93.5 KB, 14 views)
File Type: jpg 16.jpg (98.1 KB, 16 views)
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File Type: jpg 17-2.jpg (28.0 KB, 17 views)
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(Post Link) post #4 of 18 Old 31-08-18 Thread Starter
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the exit towards the intercooler would be worth me with a 90 degree elbow but it would take a long time to get it
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File Type: jpg 23.jpg (93.7 KB, 16 views)
File Type: jpg 22.jpg (108.4 KB, 14 views)
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(Post Link) post #5 of 18 Old 31-08-18 Thread Starter
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I had a lot of problems with the turbo oil return
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File Type: jpg 29.jpg (74.6 KB, 15 views)
File Type: jpg 27.jpg (87.0 KB, 17 views)
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(Post Link) post #6 of 18 Old 31-08-18 Thread Starter
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when I was squeezing the last screw of the collector, an asparagus broke, with a welding machine I could remove it, then change all the asparagus
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(Post Link) post #7 of 18 Old 31-08-18 Thread Starter
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more problems with oil return, image 39 and 38
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File Type: jpg 39.jpg (91.2 KB, 17 views)
File Type: jpg 38.jpg (39.3 KB, 22 views)
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(Post Link) post #8 of 18 Old 31-08-18 Thread Starter
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i think the problems with the oil, I have solved them, the front intercooler is of another previous modification
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(Post Link) post #9 of 18 Old 02-11-18 Thread Starter
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First logs of the project with 90mm3, after having done 12 tests to ensure that it did not have very high pressure peaks with the amount of diesel of 80 mm3, after that increase iq up to 90mm3
I am afraid that the advance is excessive,
afr I have put on 14.7 from 1900 to 5000 rpm.
I think my flowmeter is in poor condition
regards
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File Type: jpg IMG_20181102_101204.jpg (90.7 KB, 40 views)
File Type: jpg IMG_20181102_105946.jpg (101.8 KB, 30 views)
File Type: jpg IMG_20181031_181234.jpg (95.2 KB, 34 views)
File Type: jpg log 80 mm3.jpg (133.2 KB, 33 views)

Last edited by handmade; 02-11-18 at 12:57.
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(Post Link) post #10 of 18 Old 09-11-18 Thread Starter
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return to 80 mm3 , I return to the previous file with 80mm3 until well calculated SOI and adequate duration, the exhaust temperature rose a lot, the water also notice that it rose more, with 80mm3 the maximum exhaust temperature I have had so is 810 degrees (the probe is in egr cover)
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SOI already is high in JTD 16v Euro3 vs others JTD (even JTD 8v Euro 2) due to "slow" injectors and Unijet pump.

810ºC with your injection duration is not bad, anyway duration looks like sligtly high. +17 AFR on high revs looks like ok.
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(Post Link) post #12 of 18 Old 21-11-18 Thread Starter
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rpm mm³/i ms deg. mm³/i mg/i °C mBar MBAR % VNT RAIL bar EOI?¿ AFR
1611 47,83 1,132 5,18 44,84 721,6 34,6 1482 2071 75 953,8 -5,762 18,06
1717 63,63 1,028 7,05 60,23 959,9 35,2 1920 2262 75 1019,7 -3,540 18,06
1800 71,4 1,102 7,92 69,17 1199,3 35,9 2445 2396 60,7 1118,6 -3.982 20,11
2180 78,67 1,121 10,43 78,47 1292,8 36 2626 2493 53,9 1228,5 -4.233 19,68
2461 83,91 1,151 12,61 83,87 1315,2 36 2642 2632 50,5 1307,6 -4,386 18,77
2774 91,96 1,222 13,55 91,64 1325,9 36,3 2687 2641 41,4 1345 -6,789 17,26
3071 96,77 1,262 15,26 96,17 1282,2 36,8 2622 2641 36,03 1476,9 -7,994 15,86
3363 97,44 1,243 17,86 97,37 1270,8 37,6 2603 2642 32,66 1646,1 -7,221 15,61
3648 98,23 1,219 19,66 98,18 1245,4 38,6 2568 2642 27,8 1652,7 -7,021 15,18
3932 98,54 1,225 21,21 98,37 1231,5 39,8 2571 2641 27,15 1641,7 -7,690 14,96
4172 98,84 1,227 22,85 98,79 1233,8 41,2 2613 2642 28,18 1648,3 -7,864 14,94
4403 98,92 1,227 25,4 98,71 1199,8 42,8 2619 2623 28,56 1654,9 -7,015 14,5

New mod, increase RAIL pressure to 1650bar, SOI is too late,boost are low and i know that duration are too long (+- 50us), car have smoke after 3000rpm (afr 15, i will have 17 with more boost)

how i can calculate EOI correctly?

I have not increased turbo pressure because I do not know how to calculate EOI correctly, I am afraid that SOI is very early, I have deliberately delayed it,
thanks in advance
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Here my calcs very similar to yours, so your AFR/EOI from theory is ok. Real EOI is dificult to know without professional utils. You can finetune durations (I prefer to calc short that long here because EGT, smoke etc).

Beautiful to see Unijet pump doing 1650 bar and 98 mm3. Anyway it seems high quantity, I would go from 96 to 90 mm3 now.
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Votre réalisation est excellente .


J adore .
Si seulement je pouvais faire pareil .
Cordialement
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(Post Link) post #15 of 18 Old 30-11-18 Thread Starter
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thanks ceecao for the file,

new updates, I broke the clutch, I did not slip, I had a smf with clutch of gta, I think the springs were broken, I did not skate, I directly broke, I left the cut at 4750 rpm similar to a gasoline I do not know if it was good idea (the springs surely suffered)
If someone is thinking of fitting a large turbo that is fixed on whether it is possible to remove that nut from the gearbox, next week after removing the gearbox, I will turn the turbo compressor so that it runs perpendicular to the radiator, above the turbo lung as have done in this post

ALFA 156 SW 1.9 16v TUNING by BERTOL
Thanks for the cheering
regards
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File Type: jpg salida turbo tornillo cambio.jpg (120.5 KB, 16 views)
File Type: jpg salida turbo cambio.jpg (93.2 KB, 17 views)
File Type: jpg 2yxg19c.jpg (143.4 KB, 20 views)
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(Post Link) post #16 of 18 Old 07-12-18 Thread Starter
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photos of the broken clutch (99mm3 IQ)and the new dual-mass flywheel, on the left it looks like the turbo with the turbine rotated frees a lot of space, better access to the return of lubrication, we hope that endurance,
regards
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File Type: jpg IMG_20181204_171156.jpg (89.1 KB, 17 views)
File Type: jpg IMG_20181204_171205.jpg (58.4 KB, 12 views)
File Type: jpg IMG_20181204_171338.jpg (93.8 KB, 17 views)
File Type: jpg IMG_20181206_120407.jpg (126.1 KB, 23 views)
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(Post Link) post #17 of 18 Old 05-03-19 Thread Starter
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Hello new updates, thanks to @robertopp , sharing logs and commenting on what made the car with a single file he has managed to drive the turbo pressure, the clutch does not skid with 100mm3, flowmeter has 1400mg / i at 4400 rpm
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File Type: jpg IMG_20190305_163719.jpg (101.3 KB, 15 views)
File Type: jpg log mod robertop.jpg (128.9 KB, 10 views)

Last edited by handmade; 06-03-19 at 06:35.
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It has been a pleasure to lend a hand in the regulation of the vnt, to adjust SOI / EOI well for those 100 mm3 and above all to remove some limitations that you had in some maps. Now to enjoy that car that will be around 260cv comparing it with what you and I know.
Greetings.
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