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Old 05-21-2021, 12:53 PM   #68
bmwillia
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Join Date: Nov 2011
Location: Gonzales, LA
Posts: 457
Default Re: Flathead Running rich

Update:

I sent my fuel pump and carb off to Charlie and have received it back. He found a few issues with the carb and lowered the pump pressure from a little over 3lbs to 2.5lbs.

I have not had a chance to try them out yet because why they were away, I did a compression test on each cylinder and got a consistent 80lbs on every cylinder but #8, it was at 30lbs.

I pulled the intake and head on that side and it appears that the intake valve is not closing all the way. There was some carbon build up around the valve seat from it running rich. I have cleaned it and the valve is still not fully seating. Any ideas?




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