Ici les moteurs, je fait simple, tu vois quand face des moteur certin sont marqué Barracuda et d'autre Cuda.
Cuda était l'option sport. 
La page 
là
1970	
198 Slant	 L-6	3.400	3.640	Wedge	125 @ 4400	180 @ 2000	8.40	1 bbl.	Vans A, Duster, Valiant
 	225 Slant	 L-6	3.400	4.125	Wedge	145 @ 4000	215 @ 2400	8.40	1 bbl.	Vans A, Duster, Valiant, Barracuda, Challenger
 	318 LA	V-8	3.910	3.310	Wedge	210 @ 4400	380 @ 2400	9.20	2 bbl.	Vans A
 	318 LA	V-8	3.910	3.310	Wedge	230 @ 4400	320 @ 2000	8.80	2 bbl.	Barracuda, Belvedere, Duster, Challenger, Coronet, Charger, Fury, Satellite, Valiant, Dart
 	340 LA	V-8	4.040	3.310	Wedge	275 @ 5000	340 @ 3200	10.50	4 bbl.	Cuda, Challenger, Duster
 	340 LA	V-8	4.040	3.310	Wedge	290 @ 5000	340 @ 3200	10.50	3-2 bbl.	Cuda, Challenger
 	383 B	V-8	4.250	3.380	Wedge	290 @ 4400	380 @ 2400	8.70	2 bbl.	Barracuda, Belvedere, Challenger, Coronet, Charger, Fury, Satellite, Polara, Monaco, Newport, Town&Country
 	383 B	V-8	4.250	3.380	Wedge	330 @ 5000	425 @ 3200	9.50	4 bbl.	Barracuda, Belvedere, Challenger, Coronet, Charger, Fury, Satellite, Polara, Monaco, Newport, Town&Country
 	383 B	V-8	4.250	3.380	Wedge	335 @ 5200	425 @ 3400	9.50	4 bbl.	Cuda, Challenger, GTX, Road Runner, Charger, Coronet
 	426 RB	V-8	4.250	3.750	Hemispherical	425 @ 5000	490 @ 4000	10.20	2-4 bbl.	Cuda, Challenger, GTX, Road Runner, Charger, Coronet
 	440 RB	V-8	4.320	3.750	Wedge	350 @ 4400	480 @ 2800	9.70	4 bbl.	Imperial, Newport, New Yorker, Town&Country
 	440 RB	V-8	4.320	3.750	Wedge	375 @ 4600	480 @ 3200	9.70	4 bbl.	Cuda, Challenger, GTX, Road Runner, Charger, Coronet, Newport, 300, New Yorker, Polara
 	440 RB	V-8	4.320	3.750	Wedge	390 @ 4700	490 @ 3200	10.50	3-2 bbl.	Cuda, Challenger, Road Runner, Fury, Coronet, Charger