There were no V6's in gen 1 or Gen 2
If you want to know the ratio of inline-6 to V-8 for the first generation as a whole it was 80% V-8 to 20% Inline-6.
Based on a total of 699,138 total gens, 146,025 Inline-6 and 553,113 V-8's.
Give or take a car or two
-Mark.