Well, I had to try.
My car ran hotter after the rebuild, too, but not in the manner you describe. I attributed it to the .040 overbore. With dual fans and a re-core radiator it stays cool. You've got something else going on there.
Jim
My mom used to have this 95 cadillac that was a beautiful car. In excellent condition. Only problem was that it was overheating. It started making alot of noise and after looking at it, I told my mom I thought the cam was going flat. I told her to take it to the shop immediately before it got worse. One of her boyfriends at the time, lol, always convinced her that he knew about cars, and 99% of the advise was utter nonsense, but she would believe it all...but not from her son who's been at this his whole life...anyway, this asshat told her that the engine was overheating because it has an aluminum block and theres nothing she could do...never mind the fact that aluminum is WAY more thermally conductive than iron, So she kept driving it and overheating it, and the engine was toast within another 500 miles. She had it towed to her dads (my grandfather) shop, and they took a look at it. Verdict? Cam went flat which was contributing to the overheating, and the engine finally seized.
Moral of the story...second guess everything you hear. Take any one persons advise, without listening to other suggestions and you'll be in trouble.
I have a .040 overbore by the way, and every stint with overheating I had, was either the radiator sucked, I had stop leak in the system (radiator stop leak formulas increase the boundary layer on the surface of the metal, to the point that little heat transfer can happen..but I used it cause I was desperate to get home one day...using more water than antifreeze will reduce the boundary layer, allowing better cooling...its why water wetter works..thins the boundary layer (turbulence across the surface) or the high speed/low speed fan circuits werent working at full power because of the gorilla snot in all the pins and sockets on the relays, or I had an air pocket a couple times that needed to be burped. Now I cruise around at 160 with my 100 dollar autozone f-body radiator, and my 20 year old relays and 20 year old, single factory fan and no oil cooler..I just put a bypass hose on it.
jack the car up really high in the fron, bring the motor up to operating temp with the radiator cap off, and lightly rev the engine with your hand on the TB...the bubbles should pop out.....air rises to the top, and jacking the car up will make the fill hole on the radiator, the highest point in the system.