your 2 bolts stronger than his drilled 4 bolt. id keep the 988, i just had 2 of mine honed with 2 bolt studs. if you were gonna put 4 bolt caps and line bore, your 988 blocks better. you can use splayed caps. i have a 988 block and a set of splayed caps i plan to use at some point. for now i have the 2 studded 400s, i also have a 4.250 2 bolt block that im gonna just run with bolts
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