[Diy_efi] CX 500 EFI?

[Steven P. Donegan]

Boost pressure is not directly related to engine RPM on a belt-driven
supercharger setup. i.e. My Mustang can get serious boost at 700 RPM
simply by hitting the gas :-) Similarly it can have zero boost or even
some manifold vacuum at cruise - it's more a throttle position/load
thing...

On Thu, 2007-01-11 at 02:22 +0000, Ian Molton wrote:
> Adam Wade wrote:
> > you can get fairly involved into
> > building a useful 2D or 3D ignition map, and often it
> > will take significant trial-and error unless you have
> > access to a dyno and a variable wastegate so you can
> > test for a given engine load, engine speed, AND boost
> > pressure as a 3D matrix.
> 
> Questions:
> 
> Firslty, do you have any references on how to map an engine both on road 
> or on dyno, both 2d and 3d maps
> 
> Secondly, is 3D mapping worth the effort on a supercharged motor, where 
> boot pressure is directly related (I imagine) to engine RPM?
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