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Old 09-11-2020   #1
Erik
 
Join Date: Nov 2016
Location: New Brunswick
Posts: 936
Default Best Current Radiator Options?

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?
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Old 09-12-2020   #2
tf95ZR1
 
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Join Date: Aug 2005
Location: Northridge, CA
Posts: 1,445
Default Re: Best Current Radiator Options?

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.
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Last edited by tf95ZR1; 09-12-2020 at 01:41 AM. Reason: Wanted 2
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Old 09-12-2020   #3
dredgeguy
 
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Location: Ellicott City, MD
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Default Re: Best Current Radiator Options?

I second the DeWitt's 3 row. Several of us in Wazoo land have gone this route and are happy we did.
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1992 Bright Red/Black ZR1 #246
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Old 09-12-2020   #4
Erik
 
Join Date: Nov 2016
Location: New Brunswick
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Default Re: Best Current Radiator Options?

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.
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"All Corvettes are red. The rest are mistakes." - John Heinricy
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Old 09-12-2020   #5
Erik
 
Join Date: Nov 2016
Location: New Brunswick
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Default Re: Best Current Radiator Options?

Quote:
Originally Posted by dredgeguy View Post
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!
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"All Corvettes are red. The rest are mistakes." - John Heinricy
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Old 09-12-2020   #6
Young1
 
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Location: Ocala, FL
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Default Re: Best Current Radiator Options?

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.
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1991 ZR-1 Quasar Blue Metallic/Black #729
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1991 ZR-1 Dark Red Metallic/Black #2040
SOLD

1990 ZR-1 Dark Red Metallic/Saddle #1670
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Old 09-12-2020   #7
Erik
 
Join Date: Nov 2016
Location: New Brunswick
Posts: 936
Default Re: Best Current Radiator Options?

Quote:
Originally Posted by Young1 View Post
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.
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1990 ZR-1 # 996

"All Corvettes are red. The rest are mistakes." - John Heinricy
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Old 09-12-2020   #8
Karl
 
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Join Date: May 2013
Location: Chicago
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Default Re: Best Current Radiator Options?

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.
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Old 09-12-2020   #9
Jagdpanzer
 
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Join Date: Apr 2007
Location: Northern VA
Posts: 2,644
Default Re: Best Current Radiator Options?

Can't go wrong with either Ron Davis or Dewitt.
I'm running a Ron Davis Desert in front of a 427 Stroker. Never had an overheating episode yet.
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Old 09-13-2020   #10
Young1
 
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Location: Ocala, FL
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Default Re: Best Current Radiator Options?

Hey Erik. I put a new plastic tank stock style in red. Only the best for blue. Putting on a new set of hoses from Heibeck also. The 30 year old ones were a bear. I cut them all off. They were nearly bonded to the metal.
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Steve Young
1991 ZR-1 Quasar Blue Metallic/Black #729
Second Owner
1991 ZR-1 Dark Red Metallic/Black #2040
SOLD

1990 ZR-1 Dark Red Metallic/Saddle #1670
SOLD
Double your happiness.....complain half as much.
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