DCOE 45 Jetting!!!

[73MidgetLigon]

So theses are some recommended setting but when im trying to order them with the idle jet they want to know 55/F?

Choke tube: 34MM
Main jet: 140
Air correction jet: 200
Emulsion tube: 5
Pump Jet: 40
Idle Jet: 55/F?
Auxiliary Venturi: 4.5

 

[RonMacPherson]

Huh?

The fuel stack is the emulsion tube, jet holder, main air jet and main fuel jet,

numbers are being switched around or dropped.. The emulsion tube should be around an F11 to start with, top, under the jet holder would be the idle air of 200, then the emulsion tube and on the bottom the fuel main jet of 140

The idle jet I would recommend, start around a 50 F9. Perhaps their experience says a 55 F8. The idle jet has two flows to work with, the fuel in the bottom(the 50 or 55 number) and the F number which is the air hole on the side of the jet.

 

[RonMacPherson]

https://www.teglerizer.com/dcoe/index.html

Is a good place to start. You will see, that the recommendations start with which 45DCOE is on the manifold.

Looks like the later ones recommend the 55F9 for idle, rather than the 45-50(which I grew up with).

HTH

 

[DrEntropy]

55F8's seem good for the B but that's an 1800, so not sure on the 1275. Ron's 50F9 suggestion would seem to be the better choice there.