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Wow, that is a different type of crack I haven't seen before. Is that right in the center of the head?
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Well I got 8 tanks of gas on this head before it broke. I talked to Oneill
and they are going to send a new head after they find out why they keep cracking. Well i'll just have to put the old head back on for now.
Are you sure when you over heated the bottom end didn't warp and the heads are not fitting flush?
No not with this head. This was a new head and i was still breaking it in. This head was for 30.5cc so is was machened for 2mm strorker. the next head i put on has run all last year till the chrome started to come off. The temp killed it, it went over 425F the head got full of grass so I was at fault.
Yup, that is what I was thinking. Just trying to help ya.:blush:
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