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Old 05-14-2017, 08:46 AM
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Radiator question

Will a stock radiator in a 350 chevelle handle a new vintage air . Thanks in advance for your advice.

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Old 05-14-2017, 10:14 AM
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It really depends on how many rows of tubes your stock rad has.
Look in the rad. Likely only 2 rows if it's just a 350. You might need at least 3 or 4 for good cooling.
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Old 05-14-2017, 10:20 AM
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Just looked has a 2 row. Thanks for heads up
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Old 05-15-2017, 07:54 AM
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Depending on the rad and how good the airflow through it is, it may or may not be good enough. It'll also depend on how much power your engine is making and how the car is driven.

Realistically, if the A/C stuff doesn't get in the way of changing the rad easily, I'd try it and see if it's good enough for your application before spending money on a new rad.
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Old 05-15-2017, 08:00 AM
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Make sure you use a shroud to get good cooling out of whatever radiator you use.
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Old 05-16-2017, 09:24 PM
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An aftermarket 2 row radiator with either 1" or 1.25" rows will cool much more than any stock 350 can throw at them. The stock units that have the narrow .5 - .625" rows are a different story.
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Old 05-17-2017, 08:55 AM
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Quote:
Originally Posted by Bamabullet View Post
Will a stock radiator in a 350 chevelle handle a new vintage air . Thanks in advance for your advice.

The factory stepped up the fin quantity if without air and a 2 row radiator with air a 3 row was used. If a big block with a 3 row sans air with it they went to 4 rows.


I haven't found 2 row aluminum aftermarkets to be particularly effective with A/C; you'll be better off to start with a three row aluminum if you go that route.


Bogie
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Old 05-17-2017, 11:58 AM
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FWIW I have a 3 row champion radiator and no AC. I never see heat above 170 while driving and stop and go traffic
I am actually breaking in a new engine and I covered the entire front of the car with 2 heavy quilts clear to the ground and after 15 minutes of idling the engine temp still only rose to 190*
another 15 minutes of increasing engine speed and idle and increasing speed , the temp got close to 200 but that is it. gauge in




each head show the same temp
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