Just one bolt is drilled for oil passage, and only on some 235's. It would be the one closest to the rocker oiler assembly. And no, putting thread sealant won't prevent oil from getting thru it.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.