I have a big block throttle body and bored out intake manifold I want to run on a 383. I tried running the big block throttle body on my Edelbrock intake with stock throttle bores as an experiment, and I had to back the screw all the way out to get it to even try to open the IAC when controlling idle. I don't like doing this because then you're blocking fuel during idle also because the butterflies are as closed as they can be. So when I install the big block throttle body for good, I want restrict the flow of air through the IAC passages so I can get more air going down through the throttle bores to push fuel into the intake. Does anyone see a problem with filling the yellow areas with Moroso A&B or JB Weld? Anyone have a preference on which one to use over the other?
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