Thread: 427T build up

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the rod bolts will be 3/8 that is what you need you can stud the bottom end but would not need it. what are you going to run for pistons and rods ? any ways. the block is 10.200 with that crank and 6.135them stock pistons are four ring piston you just can not put a 427 9.800 deck piston in it an call it good it will be down in the hole . i have put tall decks in my GTO s they do not just fall in for all the work if you want to do this put a 4.1/4 to4.1/2 crank in it496- 526+ or you can run a454 crank and a 427 9.800 deck pistons with a long rod and get a462-469 this has been in many old post .you should look thru them