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I have 7.4 horizons. Do you need to pull the throttle body assy to change the IAC? If so is it a big deal? Thanks
Agreed ! Very simpleJust take the throttle body off, 4 bolts and be done with it. Simple stuff.
True story. If you have v-drives, then the engines are facing backwards, so the elbows are turned around vs. straight drive like you would find in an EC. Further if you have elbow risers (mine are 6") to get rid of the log exhaust in favor of water lift mufflers, the problem is further compounded. I found it much easier to just lift the plenum, and put it on the bench. Your studs for the throttle body air inlet are likely going to need some persuasion to come out. I'd be willing to bet that your 380 AC is V drives, and you have riser extensions.Depending which year, some are mpi and horizon manifold is different, and depending on trans/drive being used it may have the elbow in the way of "just"removing.
Is the corrosion a salt water issue? HopingVice grips and Aero-Kroil and patience. Perhaps double nut the end and use a long wrench.
Or, they might come right off. Had one stud that was so locked up, I put the stud in a bench vice and turned the plenum for leverage.
hoping with no salt mist, i will be good when i have to do this....salt mist + heat + steel + time = concrete