John,
An 1850 Holley is a very common universal 600 cfm vac secondary ... any auto parts store should have a kit for it..
If memory serves me correct the holley kit should be a 37-119.
Im sure there are plenty of youtube videos on holley carbs
Good luck with it 
__________________
Jay
40 years of Using and playing with IH Cub Cadets!
Proud owner of the following:
Cub Farmall, Super A Farmall, Original, (2)70's, 72, 100, 102, 123, 105, 125, 127, 108, 128, 1450, (3)782's, Yellow 982, 1782, "Sam's" 2182, M Farmall and a #7 trailer
|