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120 HP/Liter is all I ask
Join Date: Feb 2005
Posts: 337
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I have used these restrictors with the early pre '75 oil pump along with the 1980 SC oil pick up "venturi" and '75 pressure bypass modification.
My thought is that the decreased oil going into the crankcase from the top end and oil bypass along with the relatively larger scavenge side in the early pump working with the SC "venturi" to lower oil level and cut windage losses.
Whether this works as I think is open for discussion.
The idle oil pressure seems better with the restrictors and the early pump too.
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"It all started when I began looking around and just could not find my dream car. So I decided to build it myself” - Ferry Porsche
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