Holley 2100 jeting issues

T

Twinzer4

Junior Member
I'm using twin 2100's on my A and it is way to much carb. Has anyone used one on a single manifold? And if so what main jets? I'm new to this and I've been fighting with them. I have them jetted down to 47's and I'm still fouling 1&2 plugs, 3&4 look pretty good. Any ideas would be great.
 
You are WAY over carbed,One would be more in line with that 4 banger and you would have to down jet that one to at or below .043's ken ct. You will be fighting them till doomsday with 2 on there. You really need 81's or 92's to run 2x2.
 
ck the front carb for running rich. echo valve ? fuel level ? i run one ECG on my a with a miller ovh. runs great ! ck your manifold vacuum under your normal driving conditions, your echo valve should be 1 inch above ie 9.5 intake. valve 10.5 usually stock jetting is best. possibly a little richer because of no manifold heat esp. in colder weather. scotty
 
you bet it would. ken ct. Get a 1 carb manifold and jet the 2100 to .042 or .043. Put accelerator pump link in the rear hole and try it. Your just batting your head against the wall with 2 2100's on there.Itl never run right and your just washing all the oil off your cylinder walls n/g. Smell your dip stick. ken ct.
 
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