Will be using AFR 225 heads with manley nextek valve springs that are 235 on the seat and 610 open. Cam is .650 lift. Can i use 5/16 .080 one piece chrome moly pushrods or will i need 3/8. I mocked it up with the 5/16 and it doesn't look like a 3/8 will fit. Anyone know??? Thanks, Brandon.

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1970 mustang coupe restored with the help of my dad soon to be 438 dart block based stroker, afr 225, super victor,BIGS 950hp, accufab 2\" primary headers, solid roller cammed, 4speed toploader, 9\" 3.50 gears, locker