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#15
by
vic003
on 25 Apr, 2016 19:20
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Thank you a lot for your answer.
I'm currently on holiday so far away of my car, and I project to travel to Ireland for a month or more, so the project will be in stand by.
I'll work on a presentation of my car when I'll be back home, so probably next week.
For you, I can find a tune with no smoke off boost with a boost of 25 psi and nice fueling on boost, that's right? I owned a TDI before with electrical pump, I made my own progs with a GT2052V, and it was way more easy to control smokes!
But I made the choice of a simple and more reactive system, so the MTDI was the good choice. But to find fine tuning it's a bit more toughy but a nice challenge!
The fuel pines you talk to me are those one?
http://www.mandhinc.net/DPD-1-F.htmlThe one I saw are really price, approx 150 bucks the part, so I'll probably to made one myself with my lace and a carbide milling tool a homemade heat treatment. It won't be easy to make it a precise shape but it's costless!
If you have good adress for aftermarket parts at low price in US or Canada it would be fine, I've family in Vancouver so I can ship parts to them and see after.
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#16
by
vanbcguy
on 25 Apr, 2016 23:21
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I'm in Vancouver too. :-)
Yeah the prices I've seen those pins going for is a bit absurd as far as I'm concerned, though the stock Bosch ones aren't exactly easy to come across new. Seems like they should be more straightforward but I guess the combination of the specific diameter and the threading aren't the easiest in the world.
It will be hard to make a 25 PSI tune be COMPLETELY smoke free. You can make it fairly civilized but with the pedal to the floor it's probably always going to have some smoke until the turbo spools up. The LDA is meant as a pollution control device and has its limits. However you should be able to make your car not smoke under normal circumstances. Since there's nothing reacting to actual air mass the "tune" you set up with the pump will make more or less smoke depending on the weather, temperature, altitude, etc.
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#17
by
vic003
on 04 May, 2016 04:01
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Yes I saw that, that's I talked about this. It would be nice to meet you when I go back there. It's a very nice area.
Si I worked on my new fuel pin yesterday, I have to grind it now, but the diameter and surface of my new one is good.
I love my old lace, it's magical!
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#18
by
vic003
on 04 May, 2016 10:54
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So I finished my new fuel pin, say me what you think about it.
Here the shape of the pin
Some hand work to get a good RA
Final shape
And now the piece get heat treaded with my home made fournace. Due to the high level of carbone it's like a surface cementation
Oil cooling
Finish!
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#19
by
libbydiesel
on 04 May, 2016 11:07
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As you have no adjustment with that pin, you may need to swap quite a few springs to find a good match.
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#20
by
vic003
on 04 May, 2016 11:24
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I just try, very very powerfull with moderate smoke, I'm happy, it's much better than my former #75. I think I will need a stronger spring, it just smoke when turbo is loading.
Next step I will try to increase the working range of the LDA with a longer lever!
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#21
by
vic003
on 18 May, 2016 15:31
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Hi guys, here are some new pics just for you!
I installed an oil cooler with a thermostatic sandwich plate that was mount on my old Seat.
I also decided to put some plastidip on my turbo piping.
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#22
by
vic003
on 22 May, 2016 14:49
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Here is my 63mm (2,5") home made downpipe :
Do someone know if I need a support or something like this to avoud stress on manifold and turbo?
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#23
by
vic003
on 11 Jun, 2016 02:14
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Is there someone here or everybody died?
I found a new pump with 20mm shaft but it is a small snout. I saw Tintin mounted it with spacer on the axis, but instead doing that what do you think putting a longer shaft with the correct offset?
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#24
by
theman53
on 11 Jun, 2016 10:29
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I don't know what you are asking on the shaft. I have not died, just don't respond much.
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#25
by
libbydiesel
on 11 Jun, 2016 13:02
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If you have a longer 20mm shaft from an mechanical pump (e.g. Land Rover) you can fit it into a pump case with the shorter snout (e.g. cummins). It will work fine. I have done exactly that.
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#26
by
vic003
on 11 Jun, 2016 13:07
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So, I have this pump and I want to put in this longer shaft, it would get out 13mm more. But idk if the brass bushings would love.
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#27
by
vic003
on 11 Jun, 2016 13:27
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Ok that's what I talked about Libby. I think the bushings will be grind faster.
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#28
by
vic003
on 11 Jun, 2016 13:37
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Another question, I noticed some radial play on the mainshaft, but I can't find brass bushings for 20mm shafts, only for 17.
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#29
by
libbydiesel
on 11 Jun, 2016 20:38
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I understand your concern and in my experience it is a non-issue. I've run several Cummins pumps with the short snout and have not seen an issue.