Answer by user62737 for Help me diagnose the cause of this intake valve burn
In my opinion, the CR is higher than 10:1 and the valve burn is due to the higher compression ratio.You have shaved too much from the cylinder head.
View ArticleAnswer by axa for Help me diagnose the cause of this intake valve burn
As @Zaid points out the smaller valve is the exhaust, thus i was confused to the point of more confusion...Truthfully i never even thought much about port size variance..Im thankful for everyone's...
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Help me diagnose the cause of this intake valve burn
I would like some help diagnosing the probably cause of this intake valve burn as seen in the picture.167fmm engine.229cc OHV push rod type.Now here is the rub.this is engine originally 9:1 CR, I have...
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