16 for me, but I have been turning wrenches for most of my life. Most of the clues are in distributor location, spark plug placement and intake manifolds. The Chevy 348 and 409 are near identical.
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2016 RAM 1500 - 2016 Keystone Laredo 265SRK
The road goes on forever and the party never ends.
Illegitimum non carborundum
16 for me, but I have been turning wrenches for most of my life. Most of the clues are in distributor location, spark plug placement and intake manifolds. The Chevy 348 and 409 are near identical.