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In V6 engines using a 90 degree vee engine block (as used for V8 engine blocks naturally balanced in that arrangement, used for the V6 to save pruduction costs) the crankpin journals have to be splayed by 30 degrees to maintain an even firing order, and because the crankshaft only has 3 instead of 6 crankpin journals (which is even and balanced but not used in this case for the same production reasons as above). A crankshaft flying web is the thin webing that joins the split pins together, and of which is said to make these crankshafts considerably weaker than a 6 pin crank. This method is also used for the VW range of "W" 4, 6, 8, and 12 cylinder engines for similar reasons as highlighted above but involves a much more indepth explanation.
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