carb model number 4160
650 cfm vac secondary
primary needle and seat 6-516
primary main jet 122-74
primary power valve 125-65
primary discharge .040
secondary spring (pink)
rebuild kit # is 703-33
trick kit #N/A
Or so the book says.
Not sure where you could find a J tube. There are some guys that post here that could probably tell ya.
If I'm reading this right, the second one is
carb model number 4150
650 cfm mech secondary
primary needle and seat 6-504
primary main jet 122-67
primary power valve 125-65
primary discharge .028
secondary spring or nozzle (.028)
rebuild kit #37-485
trick #37-910