overheating
04-08-2004 | 09:13 PM
#26
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From: Richmond,
VA
RE: overheating
ORIGINAL: ericheller
well by shaving the bottom of the head off lets say .05 in. so that it sits lower, it will decrease the combustion chamber, and slightly increase compression. it is the same concept as taking out a head shim except there is no head shim.
ORIGINAL: Frost_
Actually it lowers the point of volatility, the compression ratio cannot be changed except by changing the volume of the combustion area.
ORIGINAL: ericheller
you need head shims because the higher nitro content increases compression...
you need head shims because the higher nitro content increases compression...
04-08-2004 | 09:14 PM
#27
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From: defiance, OH
RE: overheating
ORIGINAL: Frost_
But hold up, that's not what you said, you stated that merely by changing to higher nitro changes compression. It does not.
ORIGINAL: ericheller
frost, i also understand your second post there, and that is why you need head shims. that happens often in glow engines because the glow plug is constantly "glowing". but by increaseing the nitro percentage and richening the motor you will increase compression ....
frost, i also understand your second post there, and that is why you need head shims. that happens often in glow engines because the glow plug is constantly "glowing". but by increaseing the nitro percentage and richening the motor you will increase compression ....
