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> Question for all you head guru's
rtalich
post Oct 14 2006, 10:09 AM
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Can anyone tell me if these heads have been modified and/or why they have a little 'step' bored into them? The first picture shows a 'normal' head. Notice the flat surface shown circled.
Attached Image

These next two pictures are the heads in question. Have these been machined/modified in any way? If so, why?
Attached Image
Attached Image


Thanks,
Rob
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Posts in this topic
rtalich   Question for all you head guru's   Oct 14 2006, 10:09 AM
Bleyseng   Looks like a piece of metal was loose in that one ...   Oct 14 2006, 10:40 AM
JPB   The one middle picture looks like they have cracks...   Oct 14 2006, 11:18 AM
rhodyguy   i think *other* head people do the same cut. ...   Oct 14 2006, 11:32 AM
orange914   i think *other* head people do the same cut. ...   Oct 17 2007, 09:39 PM
JPB   :lol: Ahhh, I zee.   Oct 14 2006, 11:37 AM
rhodyguy   geoff, do you mean in the top picture with the val...   Oct 14 2006, 12:10 PM
Bleyseng  
QUOTE
   Oct 14 2006, 02:52 PM
rtalich   :bump: Len and/or Jake...? Need your opinion pl...   Oct 16 2006, 07:37 AM
rhodyguy   rob's heads were NOT used on a high comp engin...   Oct 16 2006, 07:53 AM
Bleyseng   Heck, for all I know those could be virgin heads t...   Oct 16 2006, 08:42 AM
davep   Len Hoffman is member 'HAM Inc' You may wa...   Oct 16 2006, 10:03 AM
HAM Inc   Rob the head with the step has been flycut. Stepcu...   Oct 16 2006, 12:19 PM
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