Posted 21 February 2012 - 07:07 PM
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Posted 21 February 2012 - 07:48 PM
Check the sealing surfaces - particularly in the area where it was leaking to be sure there is no scratches or erosion that will cause a new gasket to leak in the same place.
Remember that there are different thicknesses of gasket and that they are used to adjust the squish height which affects compression ratios and power. Some people just use the thickest standard gasket to make the job easier. This would lower the compression which will reduce both pinging and power.
Don't drop anything down into the bottom end and be sure to use a torque wrench to tighten the head bolts. I like to use a good anti-sieze on the threads. Retorque the head after a few hours of running.
Posted 21 February 2012 - 10:15 PM
Yes, clean the black stuf from the inside of the head. Be careful not to gouge or scratch the metal. I use carb cleaner or lacquer thinner and a rag.
Posted 22 February 2012 - 08:52 PM
Posted 23 February 2012 - 11:23 PM
sounds like its too late for that.
I did this last weekend to my gas gas, left the head on, took barrel off complete, ,
cleaned up the piston, new thicker base gasket,(two actually)took about an hour.
Cured the pinking/pinging
Posted 24 February 2012 - 09:58 AM
Posted 27 February 2012 - 06:57 PM
Posted 27 February 2012 - 07:37 PM
Edited by tankygsy, 27 February 2012 - 07:39 PM.
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