what do i need and were can i find the parts to swap in a bigblock?i have a 85 s10 reguler cab,short box that is in very good condition and my old race motor and trans.the motor is a 468 that produces about 700 hp and a powerglide with all the goodies the truck will be narrowed and set up as a prostreet or weekend warrior.what hedders,motormounts[or motorplates],and anything else would i need to complete this swap.it seems nobody can give me a straight answer or they say put a smallblock in it but im not gonna build another motor when this one is perfectly fine.