Running that same one probably five-ish years now w/ an electric fan setup and it’s been great. Holds like 3/4 of a gallon more than the stocker too IIRC.
I’ve used Chinese 4 row radiators on all 3 of my LS swaps with no issues whatsoever. I’ve used eBay and Amazon and can’t tell the difference. The mounting holes were a little off on one, a rat tail file took care of that. Having said that...
I first changed the radiator cap in Dallas, where I first experienced the not-overheating/boil over. It resolved it until I got to the mountains in AZ. Currently I’m running a week old 13psi cap.
The GM cap on the expansion tank is 15
I said this before. I was repeating what my engine guy has told me for the last 10 years ecm tac and pedal should all come from the same donor vehicle to make 100% sure everything works as it should ive never flip flopped anything and ive not...