PLease help me get up to date/speed

[robert dingli]

Hi everyone,

just adding to a discussion from a few months ago ...

'cat' writes,
> ...
> 1)  Speed density vs mass flow:
> 	It would seem to me that for those of us lacking dynos and lots of
> 	test equipment that mass flow would have a definite advantage.  But
> 	it is my impression that most aftermarket EFI units are speed density.
> 	True?  If so, why  and how are aftermarket users doing the necessary
> 	mapping? 
> 
> 	Those of you with your own projects, which are you using and why?