Motorcycle EFI? [was: cam timing}

[rbraun at mail.enter.net]

I'm working with my cousin who's considering the same thing.  Here's 
the problem: injectors small enough.  You only have 250cc per 
cylinder. FI bike are rare and no car is small enough.


> When I was racing motorcycles, we would advance the intake cam one 
> tooth.  That brought some very interesting results.  It sure made the 
> bottom end more noticeable.  The 1/4 mile time didn't change but the 1/8 
> mile and 0-70 time went down IF I could keep the tire from spinning.
> 
> But how would cam timing change the requirements for EFI???  Isn't the 
> fuel still delivered at the same time, at the same amount?
> 
> Now, Am I too naive to think that I can find a small car engine with 
> about the same specs, make an adapter (or new intake manifold), and 
> mount the EFI to the bike engine?  Depending on the donor vehicle, I may 
> be able to put the distributor on the bike, too.  In my case it's a 
> 1075cc, 4 cylinder, Kawasaki that puts out about 125 Hp.
> 
> I know that it will take some time to work out the mechanical bugs but I 
> can do that.  It's the software that I'm worried about.  What are the 
> odds that my custom, one of a kind, PROM gets fried and I can't find 
> another one.  If it was a stock chip, it should be easier to get.
> 
> It might be a waste.  The bike moves very well now with 4 carbs and 
> points.  I just thought it might be a nice project.
> 
> Any comments, or suggestions?
> 
> TIA,
> 
> FEF
> __________________ Reply Separator _________________________________
> Subject: cam timing
> Author:  Jeremiah Mahler [SMTP:jeri at shocking.com]  at MSXGATE
> Date:    3/27/98 12:33 PM
> 
> 
> I know a person that I went to school who had a first generation Honda
> CRX.  He supposedly retarded the cam by installing the timing belt with
> an offset of one tooth.  He said this gave it a definite improvement in
> high end as well as an overall increase in output.  Has anyone ever done
> this, or heard of this being done on similar cars?
> 
>     Jeremiah Mahler
> 
> 
Randy Braun     rbraun at enter.net
91  GTA
82 Firebird