1969 Dodge Dart Pro-Street 440

Ok well I may have corrected the problem.

I fixed the plugs, I started the car and it idled normally enough. But I used clear silicone to fill the gaps. The engine rpm was enough to move he plugs around and it got another leak in it.

So I need to get another semi pemanent caulk or some glue to hold them in place better.

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Was there an issue with the old hat, or did you need a different one with the injection? You've done so much since getting the car, I've forgotten all that's been done.