 Any clues as to engine size? |
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| Dave_Darling |
 Aug 16 2018, 11:49 AM
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#21
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914 Idiot  Group: Members Posts: 15,204 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California 
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The cylinders don't look like cast iron. Chances are they aren't a stock diameter, in that case. Likely between 96mm and 105mm. (Note that each statement in that chain is more and more speculative.)
"Button it up and drive it" sounds like the best advice. (IMG:style_emoticons/default/smile.gif) --DD |
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| Mark Henry |
Aug 16 2018, 12:09 PM
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#22
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
QUOTE(bretth @ Aug 16 2018, 12:39 PM)  Interesting looking cylinders, definitely not cast iron. Those are aircraft cylinders, likely modified Lycoming or Continental. Even the head casting looks odd, take the tins off and lets see..... |
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| brant |
Aug 16 2018, 01:21 PM
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#23
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914 Wizard Group: Members Posts: 12,012 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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There is a test that is used by race organizations to "pump" a motor and discern displacement.
I believe it takes some equipment I don't know how, nor whom can do it but google it... there is a test you can likely pay a race shop to test it for you and give you some accurate informed guess.... leak down can throw the test results off, so run a leak down test first and then have the motor pumped. brant |
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