Hi
 Thanks for quick reply. I am looking at using a single injector only
 as a performance booster on an old diesel motor injecting small
 quantities of petrol. Was going to use TPS to vary injector output,
   4 x pulse outputs off the crank.Thought that the 555 was a good
 place to start playing.
   Scott Pearson
   That should work.
 Most diesel run WOT all the time and the amount power and fuel flow
 is controlled by the TPS. You'll get smoke like at a tractor pull :)
 Make sure you use the CMOS version of the 555.
   Paul Lamar
   Scott,
 re you planning to use gasoline or diesel fuel? Gasoline has a major problem
 with the high compression and WILL cause knock. I would use propane or CNG
 nstead if that is the case.
 Dale Davies


 Dale


 Have been using 20 % petrol(high octane Approx 105) using wvo(waste veg oil) just
 seems to advance ignition on the diesel motor. Thought that electronic injection (as
 sorts) would be a bit me precise in volume and injected timing This a booster ,not on
 100% of the time. Mate,just playing around to keep the busy and learning at the same
 time. love to play with all sorts of different stuff.Any input is taken on-board and
 not to have the nose turned up at it, if you know what I mean.
 Thanks In Advance
 scott



 You've got me confused Scott! I too use gasoline with WVO to improve starting in the
 Oz winter, but I use the lowest octane I can find to improve the Cetane rating of the
 fuel  - in case  you don't know  Cetane rating is the inverse of Octane rating.

 As it is timed injection in a diesel it is best carefully mixed with the WVO before
 putting in the tank. Yesterday it would not start on 15%  on an 8* C morning so I am
 going back to  20%. Mercedes recommend not exceding 30%.

 John Evans



They probably don't want you to exceed 30% because the gasoline does not
provide sufficient lubrication to the injector system at greater
concentrations.

 Mark LaPierre

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