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| Engine and Piston measurements https://www.slantsix.org/forum/viewtopic.php?t=23360 |
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| Author: | Shaker223 [ Sun May 27, 2007 7:30 am ] |
| Post subject: | Engine and Piston measurements |
Does anyone have the deck height measurement of a 225 block and the compression height of a stock piston? Thanks |
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| Author: | slantzilla [ Sun May 27, 2007 8:42 am ] |
| Post subject: | |
I know that the deck height is in one of Doug's articles on the 'Articles' page. |
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| Author: | dakight [ Sun May 27, 2007 8:49 am ] |
| Post subject: | |
I measured mine once and got .187 +- .003 if I recall correctly. I understand that they can vary quite a lot due to sloppy manufacturing tolerances. |
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| Author: | Shaker223 [ Sun May 27, 2007 4:02 pm ] |
| Post subject: | |
Unless I missed it I did look in the articles first. Dak, the measurement I'm looking for is from the crank centerline to the deck. |
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| Author: | slantedview [ Sun May 27, 2007 5:17 pm ] |
| Post subject: | |
I have two uncut blocks that both measured 10.75 inches from crank centerline to top of deck. Piston compression height is listed as 1.74 inches in my FSM. Hope this helps. |
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| Author: | Dart270 [ Mon May 28, 2007 7:11 am ] |
| Post subject: | |
The official (at least early/mid 60s) deck height was 0.141" and 10.68" from crank to deck. I have never seen a motor like this. Almost all of mine (1963 - 1975 motors) have been around 0.180" stock deck ht. This gives an actual comp ratio (w/55-60 cc head) of around 7.5 - 8:1 stock. Lou |
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