Best Current Radiator Options?

[Erik]

I know there are a lot of options discussed around here, but availability seems to come and go. I don't need dramatically more cooling then stock, but I do not want some cheapie, made in China unit either.

So what do you guys recommend that is currently available?

[tf95ZR1]

Why are you looking at another radiator?
Most times any cooling problems are remedied
by cleaning out and around the radiator.
You will be amazed at all the crap you collect
from a "bottom feeder". Plastic bags, critters,
Supras...

If it's leaking that's another matter. Plastic
side tanks attached to a metal core never
made any sense to me. That being said,
many just get another NOS radiator.

One issue if you are doing the switch yourself
is "drop in" vrs "some adjustment necessary."
Be careful of the claims.

I placed a DeWitt's 3 row. Did require some
work trimming the shroud. Looks cool (pun)
works well. Worth the $$? Up to you. You
still have to remove and clean as necessary.

[Paul Workman]

Originally Posted by tf95ZR1

Why are you looking at another radiator?
Most times any cooling problems are remedied
by cleaning out and around the radiator.
You will be amazed at all the crap you collect
from a "bottom feeder". Plastic bags, critters,
Supras...

Totally agree. I got my NOS radiator from Pete who was swapping the stock radiator (which I now have in my Z) for an upgraded one for someone's Z. And, before installing the used stock one, I pressure washed (back flushed) it first. I kid you not, there must have been a quart container worth of sand and vegetation debris that came out of that thing! I've never had a heating issue with it since - even in stop and go traffic on 90+ degree days.

[sleazy rider]

the po on my z put either a 2 row or 3 row, i have not looked to verify which one, griffen radiator in mine. the shroud had to be trimmed for it to fit properly but it is effective in handling the temp here in houston, tx.

[dredgeguy]

I second the DeWitt's 3 row. Several of us in Wazoo land have gone this route and are happy we did.

[Erik]

Originally Posted by dredgeguy

I second the DeWitt's 3 row. Several of us in Wazoo land have gone this route and are happy we did.

Thank you sir!

[Young1]

Installing a Dewitt single row right now. Beautiful piece. I went single because not planning to up HP or mod. But the extra capacity over stock of the single should allow me to run AC when running hard in mountains. It?s an absolute beautiful piece of workmanship too bad it?s all covered with a shroud.

[Erik]

Originally Posted by Young1

Installing a Dewitt single row right now. Beautiful piece. I went single because not planning to up HP or mod. But the extra capacity over stock of the single should allow me to run AC when running hard in mountains. It?s an absolute beautiful piece of workmanship too bad it?s all covered with a shroud.

Hey Steve.
Did you run a stick one in the red 91? This one is going in blue? Any differences worth mentioning? Other then price, of course.

[Erik]

You nailed it on the plastic side tanks. Those will start leaking. Pretty well a matter of when rather then if. And if they do, it will always be far from home and at a really inconvenient time. I'd rather do it on my schedule, and if I'm gonna be yanking out the radiator anyway, I might as well drop a nice new one into it.

I don't have an issue going with a stock replacement. It doesn't get that hot out here that often. Nor am I going for an insane horsepower build. I am planning a top speed run though for 2021, so I want it to all hold together well for that.

[Karl]

I have the Dewitt's single row with a underdrive & lightweight water pump pulley.

Car never runs hot.

I am very satisfied with the radiator.

Currently I run approximately 70% distilled water and 30% green antifreeze. Good to 0*

If I were in a warmer climate I would run 80/20 ratio.