I need to clarify something I mentioned earlier. I was telling you what to do assuming you know you need a radiator.... however...
I agree with HGW. There shouldn't have been a need for a aluminum radiator in the first place. Something has to be wrong if you're having an overheating problem... whether it be install, charger, radiator or waterpump.
No matter what the cause, my thought to putting an aluminum radiator in your truck is a band-aid for the real problem. It may indeed cure your overheating problem but something has to be causing it to overheat in the first place. (back to heads, radiator, waterpump, install, charger, etc, etc) Hell, it could even be in the tune, perhaps they messed up the field in where they input timing.
I had a problem with a supercharged corvette that I had dynotuned at least by 4 different guys. We kept having a pinging problem. It wasn't until another shop was going over the fuel and timing tables that we realized that someone made a simple mistake.
I'm not sure if you've ever looked at a fuel table but it's an entire page with little blocks with data that tell the computer what degree, what temp, when and how long to do whatever function the table is talking about.
Anyway, I agree with HGW again. I think the cure is to start from scratch... including another tune. Somebody screwed something up.
Hope it works out.
Mark
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