you've bought a new truck and want to show off your ag engineering skills by painting the bore, stroke, piston displacement, clearance volume, and compression ratio for the engine on the hood. All you know about the truck is that has a 4 cyl 250 cubic in engine. An internet source indicates the piston travels .40 ft in cyl and the top of the piston is 1.95 in below the cylinder head at the top of its travel cycle. what values do you paint on your hood?

Question

you've bought a new truck and want to show off your ag engineering skills by painting the bore, stroke, piston displacement, clearance volume, and compression ratio for the engine on the hood. All you know about the truck is that has a 4 cyl 250 cubic in engine. An internet source indicates the piston travels .40 ft in cyl and the top of the piston is 1.95 in below the cylinder head at the top of its travel cycle. what values do you paint on your hood? 
i got pd=62.5in^3 250in^3(ed)=Pd*4cyl

stroke is .4ft to in is .033in

and im lost i try getting bore but it isnt coming out to 62.5 in^3 i need before before i can find cv HELP!

nevermind got it