Crank Case Blow Bye And Related Info

Grumpy

Grumpy

The Grumpy Grease Monkey mechanical engineer.
Staff member
 
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Will the catch can alone help with reducing any blow by pressures?

Thinking one of those cans plumbed into each valve cover then routed to the header EVAC system would be a good idea.
But I'm not sure the breather would allow the draw from the crank case...
 
yes your idea of a dual catch can and exit to each valve cover exiting to a header should help reduce crank case pressure issues,
Id suggest a minimum of 5/8" hose and fittings
 
For me it was Having optimal Emulsion circuits in a Carburetor.
Just when you think its really good, I switched 4150 Double pumper Carburetors.
Mark at BLP Told me install that 40365AB I built you myself for your Chevy 410 ci your late friend's engine onto your Pontiac 455. Get back to me !
So I did...Wow!
I swear it picked up 50 hp.
Zero blowby
 
Going to install the Moroso catch can , this fall.
About $200 in #10AN race hose and fittings.
What we use at Eddie's garage on all the Chicago Street race cars Boosted to 1000-1500 Hp true.
They work.
Just have to buy another for the old TA.
 
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