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Jet feed, pressure feed difference

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Jet feed, pressure feed difference
Ian Williams Offline
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Joined: Aug 2017 Posts: 1,715 Threads: 47
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Location: Auckland NZ
Car type: 36 Nippy, 31 RM, 38 Special, 24 Works Rep
#10
09-12-2021, 08:51 PM
I can not tell you precisely what the big end oil pressure is with Jet feed, but it would appear that with carefully aligned jets and well designed crank oil pickups/pockets the effective PSI created by the centrifugal forces is more that sufficient for it least 6000 RPM. That has proven to be the case with my car and those belonging friends of mine. That said I am not sure I would attempt to drive a 100 miles or more at a sustained 6000 RPM on jet feed, I have however often driven long distances on motorways at a sustained 5000 RPM with no adverse effects at all.
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Messages In This Thread
RE: Jet feed, pressure feed difference - by Ian Williams - 09-12-2021, 08:51 PM
RE: Jet feed, pressure feed difference - by Spex - 09-12-2021, 10:50 PM
RE: Jet feed, pressure feed difference - by Roger - 10-12-2021, 04:51 PM

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