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  1. iboats.com lists two props for 4 hp 1981 Johnson...

    iboats.com lists two props for 4 hp 1981 Johnson (4.5's were 83-86) props listed are 8x7 and 8.5x9 (the 9 must be the race wheel) both are 3 blade.
  2. Thread: Omc 25h.p.

    by 36run69n
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    Yes, the early 50,s big twins evinjohns were...

    Yes, the early 50,s big twins evinjohns were 35.9ci and rated at 25 hp. the last 36ci OMC was the 1956 big twin rated at 30 hp. speeds were high 30,s to low 40,s on a 13' DU boat. The Chrysler...
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