C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

DeWitt radiator

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Old Jan 18, 2005 | 07:27 PM
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Default DeWitt radiator

I just bought a DeWitt 2-row all-aluminum radiator for my 1996 LT4. It's supposed to be an "exact replacement", but it must be a little wider than stock. Should I have a good local radiator shop do the replacement, or is it a do-it-yourself job? I have done lots of my own work on many vehicles, I'm just wondering if there something I've overlooked on this. Thanks in advance.
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Old Jan 18, 2005 | 07:40 PM
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Default be cool radiator

you need to cut open the rubber blocks wider to fit the radiator is what i understand, i have a thread open called what radiator should i buy , hope that helps
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Old Jan 18, 2005 | 07:51 PM
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Default DeWitt's Radiator

Originally Posted by A96LT4
I just bought a DeWitt 2-row all-aluminum radiator for my 1996 LT4. It's supposed to be an "exact replacement", but it must be a little wider than stock. Should I have a good local radiator shop do the replacement, or is it a do-it-yourself job?
Do it yourself. Tom may jump in here. He explained in guywade's thread, yesterday, that the rubber mounting insulators need to be trimmed to mount the 2nd series, C4 radiators. In MY opinion, you've bought the best, where a stock radiator isn't sufficient.

RACE ON!!!
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Old Jan 18, 2005 | 08:52 PM
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The Dewitts rocks. Needs a little coaxing to get in, but one of the best mods I did.
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Old Jan 18, 2005 | 10:23 PM
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Default

Originally Posted by A96LT4
I just bought a DeWitt 2-row all-aluminum radiator for my 1996 LT4. It's supposed to be an "exact replacement", but it must be a little wider than stock. Should I have a good local radiator shop do the replacement, or is it a do-it-yourself job? I have done lots of my own work on many vehicles, I'm just wondering if there something I've overlooked on this. Thanks in advance.
You sound surprised that the radiator is thicker? Most of our customers are purchasing a 2 row to "upgrade" and understand the core is going thicker. You can't double the rows without doubling the thickness.
Each A90 model (90-96) includes details instructions on exactly what needs to be done to make the radiator fit. I can send you a copy if you need another one.
The rubber cushion cutting is no big deal and it only needs to be done to the two uppers. The lowers do not need anything. This can be done with a band saw, hack saw, razor knife, etc.
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Old Jan 18, 2005 | 10:29 PM
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Tom's products are Top Notch, thats why I carry them. Great guy to deal with.
-=Rick
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Old Jan 18, 2005 | 10:38 PM
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The little mod is very easy and the results are awesome. No matter how hot it gets, my no-steam-hole 408 goes from thermostat temp to "fan on" temp and back, 180-187ish.
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Old Jan 18, 2005 | 11:39 PM
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Thanks for the replies, now I'll just wait for the big brown truck!
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Old Jan 19, 2005 | 10:44 PM
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I had to trim the shroud as well on my 94 but it was well worth the trouble.
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