Tapping the hole using the seat and guide machine to center the tap #cresapmachine #Cresapautomotivemachine #block #Cleveland #351C #351 #351cleveland #instamachinist #seatandguidemachine #tap #tapping #screwincoreplugs
Cleened up ready to have the step ground and be washed off. #Cresapautomotivemachine #8boltracing #flywheelgrind #flywheelgrinder #machining #enginemachineing #diesel #overroadtruckparts #instamachinist #cresapmachine