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Pre combustion chamber design research

Rockabillyrat

SlIgHtLy StUpId.
Messages
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2,151
Location
Ohio
Are just doing stock pumps or are you doing any hot rodded pumps?

Both. I'm waiting to hear back from the machine shop I've been working with on custom big plunger head and rotors. I can squeeze up to 130cc @ 2800rpm out of a stock 6.5 DB2 with the .310 H&R. But I have some .370 and .350 H&Rs I'm working on. But I had to send them back to the machine shop because of an issue I had with the .350 so hopefully they can figure it out because I have a .450 on the shelf for Nates build.

Will I believe I only got 60cc out of your pump. That 110cc will be a fun upgrade for you hummer!! I ill let you know when its done, The machine shop has the .310 H&R for your pump. I want to get a reman in yours for testing.
 
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