03-20-2014, 02:32 PM
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CC Member
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Join Date: May 2002
Location: Ashburton, New Zealand,
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Cobra Make, Engine: UK Ram SC. KC-Yates 373, Jerico 5 speed.
Posts: 1,240
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Dry sump venting open or closed
My recommendation is to try what u have, and see what the results are (pump). Replace spring as soon as u get the pop off.
Make sure it will pull a vacuum at idle while engine is warm, prior to doing you dyno pulls (if u run it sealed).
Hope this helps
Mark
Mark what you are saying is the pop off doesn't react quick enough for pressure spikes?
I am intending on running a Peterson inline Pop off from my fuel pump plate, I assume Peterson have gone a little heavy in the return spring so the valve seals in most situations so its a matter of me finding a light spring to hold the valve in place.
My Nascar Ford valve covers have a pop off valve welded on approx 3/8" ID I was going to weld a -12 boss fitting there and use a breather for road, and cap it for race use.
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A J. Newton
The 1960's rocked!
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