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Kastner, on direct throttle control of Pi


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  • 4 months later...

The majority of Lucas PI race systems used some form of control cam to modulate the control stop based on throttle position, instead of vacuum. The lightweight E types used both. Some used eccentrics on the cam instead of shims for adjustments, with the fancier ones using a micrometer style adjustment.

Here you can see a video of one in action on the Ferrari 512M:

 

Harm Klijn of Power Props in the Netherlands services these, and has some excellent pictures on his website. He also has two books which I highly recommend to gain some understanding of the units and how they work, as well as some plain great pictures.

 

V12-kleur-2.jpg

 

4-cil.-kleur-1.jpg

From another website.

Lucas-mechanical-fuel-injection-Ferrari-

Lucas-mechanical-fuel-injection-Ferrari-

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