yellow72, the primary on mine is .113, and the secondary is .107 stock. your 1406 has .98 and .95 respectively, at least as per Edelbrocks web site. I saw where you replaced your springs, and I did the same today.
Do I pull the whole top of the carb off, since these are secondary jets? I was looking at edelbrocks site re WOT tuning, and it says go with 2 stage richer rods 1st.
You know what? I have a new, in the box Holley fuel pump sitting here. I'll replace that in the morning, just to make sure the carb has enough pressure. It may be dropping below the 2 psi minimum reccomended. at 80 gph, I think that'll be good enough. at least to alleviate any uncertainty, don't you think?
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