Given you location, you’re facing a very typical overheating issue that arises using a shortened stock style water pump on a 235 swap into your truck.
A better solution is to use an adaptor plate (and the original 216 water pump), designed by a fellow Member
Pre ‘68 Dave and offers a pump relocation kit that will put the water pump in the correct "sweet" spot for getting that engine in your truck and providing the best cooling. Check out his
website for a ton of great info 235's and the relocation kit!
