Injector Sizing: REALLY dumb question

Greg Hermann bearbvd at sni.net
Thu Aug 27 14:25:17 GMT 1998


And the whole idea I'm beating on is that matching (a much shorter) squirt
with inhale will improve high end torque just as is does low end
torque--but you need a much bigger injector to do it, and a way to turn it
down far enough so the fool thing will idle.

Regards, Greg

>I'm aware that what I suggested is'nt how most current systems work -
>The
>injection event is fixed at whatever advance the designer feels will
>accomodate
>the rpm range he has in mind.
>Per matching "squirt" with "inhale", the idea of advancing/retarding the
>injection
>event is to improve the low-end torque characteristics of motors
>designed to
>produce HP at high rpm - Free low-end torque is not a bad thing.
>
>Regards, Jack
>
>Tom Sharpe wrote:
>> My ProFlow fires before the intake stroke, hoping that the hot intake valve
>> will vaporize the fuel. Edelbrock calls it "settle time". Above 5500 RPM at
>> WOT, the injector is open 100% of the time. So much for matching the squirt
>> with the inhale.  Just more brain food! Tom





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