VEMS and TurboSmart Solenoid

[A80Avant]

it is now done and checked. turbosmart solenoid can be used with vems succesfully.Ill post my settings later,but settings might differ from ecu to ecu. only use them as a reference/ starting point

edit:
pwm period: 16ms
map target
boost control reference position: 4/5
target offset: 12
off: 98kpa
P:250
I:5
D:48
PID integral limit: 125

infjet channel 7 enabled

Duty cycle:

2000:55.3
2500:65.1
3000:70.1
3500:72.4
4000:74.1
4500:74.9
5000:74.9
5500:78
6000:78
6500:78
7000:78
7500:78

rpm/map based boost set to 290kpa from 3500rpm.

small changes above.

small decrease on high rpm boost is still noted on 2nd/3d gear pulls but it is down to turbo backpressure as this is something i get with all setups now. I believe that a stiffer spring could cure it,but TBH i dont mind. Next turbo will not have such issues

[A80Avant]

just so that i dont forget,
these settings are for the stock wastegate spring.If you are using the 1.9bar spring or other, then there may need to be some changes.I do have the 1.9bar spring,but never fitted it.Bram uses the 1.9bar spring so he may try it out as well.

at least now we know that VEMS can use the solenoid without problems,and without having to buy the whole turbosmart boost controller.

can anyone get a hold of the importer of MAC pneumatic valves in the UK? i have emailed them once and got no replies. Reason being that those solenoids are dead cheaper to get them from them directly and it wouldnt cost 70GBP for them!

[A80Avant]

Update:

whoever uses turbosmart solenoid, make sure you use teflon tape on the nips otherwise you will have a leak. I did that today and noticed that i had to alter the boost settings slightly because i was getting more boost than programmed on VEMS.(offset). Now everything seems to be in order again.

[A80Avant]

update:

im in the process of locating the part number on the solenoid that would enable anyone to buy it directly from mac rather than turbosmart/aem etc which all use the same type of valves. Once i have the proper part number i will post it.

there is a possibility that the watts may be different in which case the sensitivity of the solenoid may be affected(more sensitive). There shouldnt be any problems with VEMS,but i cannot say anything about the eboost though

[s2_bo]

Im up for that. Keep us posted!

[A80Avant]

2 shops can provide the solenoid.

1) USA: http://www.frightprops.com/FrightPro...ID=A-0013-0082 with a total cost of $42.45 (shipping is included and is $15.95)
2) UK: sales@pneusol.co.uk distributor of mac valves in the UK with costs of 26GBP+9GBP for shipping within the uk(more expensive)

i just placed the order for one from the US. the only difference i can find is the wattage on these solenoids, being 6.2 on the turbosmart one rather than 5.4 that are on the mac original ones,but i believe that it wont make a difference.

[GazzaG60]

sounds good but ill stick with the eboost. i lkie to be able to change settings on the fly.

[s2_bo]

Great, looking forward to see how well they work!

[S2central.net]

I've yet to test mine on Motronic - should be plug and play with main advantage of higher reliability than the factory item.

I still want to test in dual-port topology as well but doubt it will be this side of chrimbo.

[GazzaG60]

limitied thinking on it paul and dual should just work. you dont tell eboost its in a different config. its to do with the routing of the hoses to it.

should just work and hopefully stop creep a little.

[A80Avant]

it does in mine. that is how i use it now with no issues.
i wont use the new one,i bought it as a stock part. so far the turbosmart i have does the job

[s2_bo]

When the new one arrives can you compare them and see if there is any other differences?

Also could you try it out to see if the lower voltage span makes a difference?



Thanks for being the guinea pig

[A80Avant]

sure i will do that

[Jonas_R]

I can then confirm that you can run dual port on motronic. My tuner tried this and it worked perfectly

[s2_bo]

Can you post anymore details on this? Did he have to tweak the mapping?