727 Build for Mid-10s

oldkimmer said

John Cope does not drill a hole in the front drum. Nor does he plug pump vent and relocate it. So I didn’t bother on mine and it works fine. Kim

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Turbo action wants hole drilled, griner wants hole drilled, tranzact want hole drilled. NHRA wants a guarantee that you will not puke fluid on the track. Only way is to relocate the vent to the rear and plug the front. John cope now has a video on plumbing a puke can
From the rear vent. If you drill the hole in the piston, it will not spray at the pump. This is for modern transbrake only. Ihmo