Packard Merlins

Mk28, Lanc, P-40, Canadian Hurricane
Mk29, P-40, Canadian Hurricane
Mk31, P-40, Canadian and Australian Mosquitoes
Mk33, Canadian and Australian Mosquitoes
Mk38, Canadian Lancs
Mk68 & 68A, Avro Lincoln
Mk69, NA P-51
Mk224, Lanc
Mk225, Canadian Mosquito
Mk228, Lanc
Mk266, Spitfire XVI

V-1650-1, P-40, XP-60
V-1650-3, P-40, XP-60, XP-78, P-51
V-1650-5, XP-63
V-1650-7, Commonwealth CA-17 Mustang, P-40, P-51
V-1650-9, P-51
V-1650-11, P-51
V-1650-21, P-51
V-1650-23, XP-82
V-1650-25, XP-82

That`s most of them. The first lot are generally Packard-built versions of Rolls-Royce spec engines for use in British aircraft whereas the V-1650 is an American designation and most of these went into P-40s and P-51s for the USAAF.

Pete