'Pop's Engine' another 440 on the dyno.

So #1 we put the 346 heads back on with the increased flow using the Performer RPM manifold as before.
#2 swapped manifolds to a Torker II
#3 swapped manifolds again to a single plane M1
#4 installed a 2" Super Sucker 4 into 1 spacer on the M1.

RPM.............#1 TQ/HP.......#2 TQ/HP.......#3 TQ/HP.......#4 TQ/HP

3100...............444/262.........416/246.........423/249..........439/259
3300...............478/300.........447/281.........452/284..........467/294
3500...............496/330.........481/321.........480/320..........488/325
3700..............500/352.........488/344.........487/343..........502/353
3900...............486/361.........476/353.........485/360..........490/364
4100...............482/376.........464/362.........477/373..........487/380
4300...............485/397.........470/385.........488/399..........494/404
4500...............484/415.........489/419.........503/431.........514/441
4700...............476/426.........487/436.........490/439..........509/456
4900...............485/452........503/469.........504/471.........512/478
5100...............478/464.........485/471.........493/478..........502/488
5300...............486/490.........495/499.........499/503..........510/515
5400...............485/498........490/503.........493/507.........505/519
5500...............474/496.........475/497.........482/505..........495/519
5600...............437/466.........463/493.........469/500..........480/511