Quote:
Originally Posted by Cupcar
The second plug drilling looks to me to add about 1 cc to the combustion chamber volume. See below photo of a plug recess.
One extra cc in the last engine I built would have lowered the CR from 10.2:1 down to 10:1
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True, I do not see that as a detriment. ( with the plug installed and all,, are you sure it would come dwn that much ? Just flip the head over with the plug in the hole and see how much you can get in there B4 running over )
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162 Assault Helicopter Co,(Vultures ) D troop 3/5 Air Cav. ( Bastard CAV) South of Saigon, U Minh Forest, Delta, and most parts in between.
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