The old 4.3 V6 was basically a 350 sbc with 2 cylinders missing.
There is 2 crankshafts available, one has a journal for every connecting rod
called the even fire crank.
The other crankshaft looks like a sbc crank with two connecting rods per
journal, called the odd-fire crank.
The even fire crank had a habit of breaking in marine or performance applications.
When I heard of someone using that engine in an ultra lite aircraft,
I said; "What!!!??".
If that crank breaks during a full power take-off he's toast.
The odd fire crank is many times less prone to breakage and used in motor sport
applications.
I've looked, but I can't find information on the engine design of the
new 4.3L.
There is 2 crankshafts available, one has a journal for every connecting rod
called the even fire crank.
The other crankshaft looks like a sbc crank with two connecting rods per
journal, called the odd-fire crank.
The even fire crank had a habit of breaking in marine or performance applications.
When I heard of someone using that engine in an ultra lite aircraft,
I said; "What!!!??".
If that crank breaks during a full power take-off he's toast.
The odd fire crank is many times less prone to breakage and used in motor sport
applications.
I've looked, but I can't find information on the engine design of the
new 4.3L.