[Diy_efi] Interceptor/ECU progress

Adam Wade espresso_doppio
Mon Mar 12 06:48:29 UTC 2007


--- Ernest Buckler <ebuckler at icehouse.net> wrote:

> These advanced guys are actually designing and
> building NEW systems.

The mailing list gets all kinds, from those trying to
find simple ways to remap their stock systems, on to
guys who want to take a GM injection system and adapt
it to their non-EFI car, through guys who build and
program their own MegaSquirt EFI controllers, up to
guys who reverse-engineer old systems and develop new
ones.  I believe we have an archive, and there should
be plenty of info to help the young man along on his
quest already there for the taking.  Here is the
recent archive page: 
<http://www.diy-efi.org/pipermail/diy_efi/>  It
doesn't seem to be searchable, although you can
download the archives by month and then just text
search for info (is there an online search feature? 
Someone correct me please if I am wrong here).

As an aside, Ernest, would you be interested in having
more usable features on a replacement turbo ECU than
the stock one came with?  The closed-loop spark timing
would be a real boon on a turbo bike, as would the
ability to detect ping/knock that is sub-audible (both
via ion sensing).  It should be possible to fit an
electronic wastegate, so the stock ECU can control
boost (it could be set up, for instance, to help
smooth out the transition for the 500 when it comes on
boost, by letting the boost pressure ramp up over a
few seconds rather than having it hit all at once; it
could also be programmed in the other direction, to
work as a "snap valve" (mechanical wastegates open
progressively as they approach the target boost
pressure, then open the wastegate fully when the peak
boost setting is exceeded)).  I get the feeling that
might be a popular daughterboard project, as it will
add a new dimension of tunability to any turbo'd bike.
 Heck, you could even set "progressive boost" for
street riding/commuting, and switch over to "snap
valve" for Saturday nights at the dragstrip.  All
you'd need would be a laptop...

| Kawasaki Zephyr 615 (Daphne)       Kawasaki Zephyr 550 (Velma)|
| "It was like an emergency ward after a great catastrophe; it  |
|   didn't matter what race or class the victims belonged to.   |
|  They were all given the same miracle drug, which was coffee. |
|   The catastrophe in this case, of course, was that the sun   |
|     had come up again."                    -Kurt Vonnegut     |
| M/C Fuel Inj. Hndbk. @ Amazon.com -  http://tinyurl.com/6o3ze |


 
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