[Diy_efi] RE: Diy_efi Digest, Vol 1, Issue 506

[joeld]

>Whatever it is it must be capapble of precise sequential injector control.
>This seems to be the big trick to it. The rest of the GDI system is not so
>difficult. I think the Mitsu system uses MAF. I don't know how you'll go
>shoehorning any of the GM ecu's onto it though. Sounds like a backward step
>to me!
>
>Oh, and the fuel rail pressure is varied to change the spray pattern more
>than flow rate (that was a query from an earlier post about GDI).


We are getting a complete 2-stroke 600 engine direct from one of my contacts 
at Polaris Industries. We are also getting a complete Mitsu GDI shipped in 
from NZ.

Our plan is to get the Mitsu stuff, figure out if we will need 1 or 2 injector 
per head (dwell time), and then machine a new head for the 600 that will 
incorporate the injectors and a spark plug.

We already have a D.T.A controller that we are going to modify to run the 
injectors. There was never a plan to use any GM equipment.

This will be a DI system, that is the whole point of doing it. As well, then 
we have the option of sealing the crankcase and going Detroit style.

So, that brings me back to my question of if anyone has worked with these 
injectors? Knowing a few specs ahead of time would save us some time.

thanx

Joel Day


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