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Heres bit of info from a July? 2001 pg 83 INDUCTION EXTRAVAGANZA article in Mopar Muscle
They used a fresh 360 street mill 10:1 compression mildly ported edelbrock heads Comp cams custom grind cam (7131/7132 on a 108 plus 4.) 272/276 .558/.564 1.6:1 rockers

Edelbrock Performer no 2176
rated idle -5500rpm
Max hp: 451.2 @ 6,000rpm
Max Torque: 452.0 @4100
Average hp 3,000-6300rpm: 375.9hp
av torque: 426.7 lb-ft

Edelbrock Perf RPM AirGap no7576
rated 1500-6500plus
Max hp: 475.4 @ 6,200rpm
Max Torque: 469.8.0 @4100
Average hp 3,100-6200rpm: 391.6hp
av torque: 443.7 lb-ft

Edelbrock Torker II no.5076
rated 2500-6500
Max hp: 476.5 @ 6,300rpm
Max Torque: 457.7 @4800
Average hp 3,100-6200rpm: 387.2hp
av torque: 437.0 lb-ft

Holley strip Dominator
rated: 4500-8,500
Max hp: 476.5 @ 6,300rpm
Max Torque: 457.4 @4500
Average hp 3,100-6200rpm: 385.5hp
av torque 435.2 lb-ft

Mopar Performance 6 pack P4529054
rated: 2500-6,500
Max hp: 464.1 @ 5,900rpm
Max Torque: 455.4 @3,900
Average hp 3,100-6200rpm: 381.2hp
av torque 431.4 lb-ft




Great info. If you were to quess, how would the LD340 compare to the Air Gap & the Six Pack manifold for approx HP & torque numbers?