Re: Engine life
The smoke is probably a little oil seeping through the valve guide. I'd do a compression test just to make sure all the numbers are even. If they are and are not to low....no less than 105 PSI. Then I'd run a higher viscosity oil that's good quality and keep driving it. I will be running 20w-50 and Power Punch additive in my 305e when the weather gets hot.
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