Re: Piston Dome Volume Determination

Posted by Aaron Ford on November 20, 2006 at 17:02:36 from (72.84.34.93):

In Reply to: Piston Dome Volume Determination posted by Aaron Ford on November 20, 2006 at 16:17:27:

Well, the missus tripped up the cooking oil idea, so I went and got some wd-40. Took the wd-40 and sprayed the piston top. Then I formed the playdough around the dome. I turned it upside down and the playdough fell off leaving a perfect imprint. I filled this with water using the cat's medicine dropper. Took 22 cc's to fill 'er. (Knew that cat was good for something)

Claculating this with my bore and stroke and combustion chamber volume I found that I have increased my compression from 7.1:1 to 9.1:1. Should still run on pump gas.

Any thoughts on possible increase in HP or decreased lifespan on my main bearings?

Aaron

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