7a help, so i need some help .....in april i start school at wyotech when im t Options

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so i need some help .....in april i start school at wyotech when im there im building my 7a im thinking head work 4a rods and pistons clutch ..... do you know anything about put 4a rods and pistons in a 7a does the block have to be bord whats the stroke on a 4a what sthe 7a stroke is it true the 4a rods and pistons are good 4 300 hp if i got my ecu remaped would the stock crank hold up at 75or 8000 rpms what would i need to do about fule ..... with that motor built cuold it hold up to a 75 shot...... most of my motor experience is with v8s so building a 4 banger is new to me so any help i thank u 4