98' 400f intake cam


4 replies to this topic
  • yz400fsmasher

Posted March 01, 2009 - 04:12 PM

#1

i was checking the valves on my 400f and needed to shim them. so i pulled the cams of and noticed that my intake cam was scored like it lost oil supply to it or something. my head was also scored:banghead: i purchaced hot cams but would i need a new head as well do to the scoring?
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  • 426 NOOB

Posted March 01, 2009 - 06:25 PM

#2

i was checking the valves on my 400f and needed to shim them. so i pulled the cams of and noticed that my intake cam was scored like it lost oil supply to it or something. my head was also scored:banghead: i purchaced hot cams but would i need a new head as well do to the scoring?


upload a pic if you can so we can see just how bad it is. that way we can give you accurate advice.

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  • Birdy426

Posted March 01, 2009 - 10:43 PM

#3

Engine Dynamics can do wonders repairing these if it is FUBAR...

  • Mattbrown707

Posted March 03, 2009 - 05:36 PM

#4

That sucks.

  • grayracer513

Posted March 03, 2009 - 08:13 PM

#5

http://www.enginedynamics.com/





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