2 stroke injection

Clare Snyder snyder at huron.net
Wed May 13 00:49:16 GMT 1998


Espen Hilde wrote:
> 
> if I had the time and the money,I would try fitting a timed seqential efi
> to a
> two stroker.I would figure out where to put 2 injectors,over the transfer
> ports and
> just under ekshaust port( in higth) ,I  would aim them sligtly uppwards
> against the spark
> plug.I think I had to use two injectors because of the short time to
> inject.
> standard injectors directly into the cylinder.....
> Mercury dfi  uses 80% less fuel at idle......
> I tryed to take a exshaust HC test on a Mercury 200 efi  ,It showed the
> same
> figures as if you put the probe inside a gas tank and messure the fumes....
> 2000-3000 ppm HC
> very little difference in consumption at max torque.dfi better at slow
> running and high rpm.
> Espen Hilde
> > From: Clare Snyder <snyder at huron.net>
> > To: diy_efi at efi332.eng.ohio-state.edu
> > Subject: 2 stroke injection
> > Date: 12. mai 1998 05:18
> >
> > Anybody ever tried mechanical injection, like a diesel pump, on a 2
> > stroke gas engine?Figure the oil in the mix would handle lubrication OK
> > - but would it work? Not talking direct injection, just port, timed
> > injection on a V4 Evinrude.Pressure reduced from doozle pressure, and
> > injection volume determined strictly by throttle opening, with possible
> > manual mixture control.
> > --
> Maybe you must have some oil coming in by the air stream to, to lubricate
> the crank shaft bearings.
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with DFI, how do they handle the crankshaft lubrication? Do they just
inject oil spray into the crankcase at the inlet port? Somehow this oil
has to travel throughout the engine.I am thinking more along the line of
"port" injection, like in an SFI automotive system.
-- 
                               _/\_
                       --|-----([])-----|--
                         S    0/  \0    B
         Alls well that ends well!! www.snyder.on.ca is back
                  E-Mail service is back to normal
                  To avoid bouncing E-Mail messages
                    Reply to Clare at snyder.on.ca
                                OR
Remove the R from clsnyder in my E-Mail Address to reply. Stop the
spammers!!!
It's hard to soar like an eagle when your stuck with a bunch of
Turkeys!!!



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