Compression test shows 95 to 110 in all 8 cylinders; not very good for a 10.5 piston motor.

Since they were all within 10% of each other, the problem would not seem to be piston/ring failure.

That lead to the carb; there is a problem with lack of sufficient air flow. Carb and intake coming off next.

Vacuum steady so no issue there.

thanks again.