might have to just try it, I dont run a stk dizzy. mine is an msd billet with the large cap adapt to run large style mag cap and rotor. when you get alot of spark entry inside a very tiny cap you can ionize the air inside and cause cross fire. with the larger cap you spread the terminals apart to help prevent this. gm did this with the first hei system. looks goofy but it fits just barely
I'll have to try it and see. First I am going to use an old cap and see if there is even a problem in the first place.
Mine started out stumbling at wot at first and then got to where it would die at anything above an idle when it was warmed up. It never kicked back on the starter though. I replaced the coil first and it didn't help. Then I replaced the module and it fixed it. It was an msd ready to run billet.