what did a 200r4 come in originally? What modifications are needed to put it behind a 59 235?

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'50 Chevy Fleetline DeLuxe ('55 235)
'48 Chevy Fleetmaster coupe (late 261)
Chicago
http://www.geocities.com/hellfish122


'59 Chevy BelAir (v8)
'50 Chevy Fleetline DeLuxe ('55 235)
'48 Chevy Fleetmaster coupe (late 261)
Chicago