My project is to turbocharge a BMW E30 325i M20 engine.
Engine specs:
- cyl count=6
- main trigger= 60-2 on crank http://www.vems.hu/wiki/index.php?page=MembersPage%2FGergelyLezsak%2FTrigger
- stock internals
- T3/T4 turbo 50 A/R Compressor, 0.63 A/R Turbine .57 Trim 3" inlet stage 3 wheel
- Oil cooling on pistons http://www.e30tech.com/forum/viewtopic.php?t=5223
- Intercooler will be as big as possible
- Lime green 440 cc bosch high imp petrol injectors
I guess we have a lot in common: http://www.vems.hu/wiki/index.php?page=MembersPage%2FGergelyLezsak
[\ MembersPage/JanSaenen/LPG LPG Section]
[\ MembersPage/JanSaenen/Links Links]
read: original MegaSquirt documentation besides VEMS manual, since MegaSquirt is basically the same.
[GenBoard Version User's Manual]
http://www.vems.hu/wiki/index.php?page=GenBoard
Assembled v3.3 controller
- ignition driver 6+2
- Knock and EGT yes
- LCD and PS2 yes
- MAP connection offboard(electronic)
- primary_trigger VR
- secondary_trigger HALL
- Bosch sensor: http://www.geocities.com/tech4tdi/pages/map.html
IAT sensor: GenBoard/Manual/IntakeAirTemperature
Spark control
With your stock 60-2 wheel you can control a wasted spark coilpack directly with VEMS without any additional triggers. You can borrow a coilpack for a 6 cylinder car from an EDIS6 equipped car, like a Ford V6 (You don't need the EDIS module itself, just the coilpack!).
Laptop connection: Basically you use the serial port on the computer, and the corresponding port on the Genboard is either through the smaller EC18 connector or from a pin header inside on the board, which is usually routed to an end-plate in the form of a regular DB9 (standard serial RS323) connector.
links
BMW on LPG: http://zymo.homemail.com.au/bmw2.htm
More info on nitrous systems: http://www.diy-nitrous.fsnet.co.uk/index.htm
VEMS GenBoard/VerThree (v3.x, like v3.3) has 8 output channels that are capable to drive low impendence injectors.