Author Topic: Distance between top of piston and spark plug  (Read 1212 times)

Offline 7Dcuda

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Distance between top of piston and spark plug
« on: June 07, 2010 - 01:39:30 PM »
On a 440 with stock heads, how much distance is there between the top of the piston and the spark plug when the piston is at TDC?  I want to try the Champion RJ12YC plugs that this forum recommends but it is much longer than the Bosch plug that is currently installed....it's like twice the length.   




Offline Chryco Psycho

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Re: Distance between top of piston and spark plug
« Reply #1 on: June 07, 2010 - 04:14:20 PM »
That is the factory plug , you will have no clearance issues

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Offline swede-cuda

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Re: Distance between top of piston and spark plug
« Reply #2 on: June 08, 2010 - 06:18:06 PM »
 :wave:wow,i bet your motor will feel better with the spark in the combustion chambers. :woohoo: