For the 394 blocks:
L65 low compression deep dish 4 pocket pistons for model 3400s (D88s)
L74 4bbl carb, models 3500 (S88) and 3800 (98s). There was an export 8.3 comp ratio with those green and argent valve covers in this series of cars.
L75 Starfire engine with flat top pistons. This engine was released for use on the 3457 hardtops.
L76 and L77 are B01/B07 Option only. With L76 having single exhaust and used in the D88 fiesta only. The chassis configuration of the fiesta did not allow for dual exhaust. Used 43s plugs and had the apprehender label in the air cleaner.
The L77 was for dual exhaust celebrity sedans (body 469) and combines with a 3.42 axle ratio. Also had the 43s plugs and air cleaner label designating apprehender engine.
for the 330 block:
L74 was 4bbl carb
L76 B01/B07 option, same as L74 but had 43s rather than 44s plugs. Found in the F85 and J88 only).
L79 B09 option
I do not know of a 860 body as you and Joe discussed. The 840 was a short sill cowl ambulance. 850 short sill cowl limo. 890 short sill cowl hearse. There is an 867 3800 series convertible.
