30wt oil of any brand will work
1ml
SAE 30
the best would be to use 10w-30 synthetic oil all year long
Run the car good
.030
A good quality 30wt is Briggs recommendation
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.035 spark .020 points
All the small Briggs engines seem to have a points gap of 0.02 inches
any where from 120 lbs to 180 lbs
80-90WT hypoid gear oil. I use synthetic because it lasts longer, seems to lower the drag on the gears, and shifts easier from F-N-R
A Champion CJ8Y or J19LM will perform fine