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Replacement Radiator
#1350370 Tue Mar 17 2020 04:17 PM
Joined: Jun 2019
Posts: 20
G
Geo55 Offline OP
New Guy
I need to replace the original radiator in my 53 chevy 3100 with the 216. I want to keep the original look with a stamped upper and lower tank and have found a variety of prices on-line. Unfortunately, most listings are for 8 cylinder trucks. I would consider an aluminum replacement if it looked original . I found a brass replacement at LMC for $279.00. The low price sounds too low for brass. I was hoping someone on this site has used a LMC replacement and could advise me. thanks.

Re: Replacement Radiator
Geo55 #1350380 Tue Mar 17 2020 05:36 PM
Joined: Aug 2011
Posts: 117
P
Shop Shark
I would think the V8 model would have better cooling as we need that. What are the radiator specs other than materials?
The question is ... Brass or aluminum? Which cools better while retaining the stock top and bottom?

Re: Replacement Radiator
Geo55 #1350383 Tue Mar 17 2020 06:08 PM
Joined: Jun 2019
Posts: 20
G
Geo55 Offline OP
New Guy
From what I have gathered, both the inlet and outlet are both 1/4 inch larger in diameter on the V/8 radiators. I was advised by both Auto City Classic and Engineered Cooling Products that the V8 and 6 cylinder radiators were different. Was disappointed that neither offered a 6 cylinder version because their V8 versions were very close copies of originals. I know companies like Champion offer cheaper alternatives , but they seem to me to resemble street rod radiators with tanks made of welded together flat stock aluminum.

Re: Replacement Radiator
Geo55 #1350387 Tue Mar 17 2020 06:46 PM
Joined: May 2015
Posts: 3,251
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
You might be able to use the V8 radiator with larger hoses if it's configured otherwise like the 6 cyl one. Just use a liner inside the hose at the engine connections (a short piece of smaller hose inside the larger one). It would look very close to stock, and only the most eagle-eyed inspector could tell if you did a good job of finishing the ends of the hose with the liner inside.

Last edited by klhansen; Tue Mar 17 2020 06:47 PM.

Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
Busting rust since the mid-60's
Re: Replacement Radiator
Geo55 #1350425 Tue Mar 17 2020 11:28 PM
Joined: Apr 2016
Posts: 585
M
Shop Shark
Why don't you just put an original one in. I would think it would be fine for a 216?


Old enough to know better, too young to resist.
Re: Replacement Radiator
Geo55 #1350530 Wed Mar 18 2020 05:37 PM
Joined: Oct 2015
Posts: 28
N
Wrench Fetcher
Gates makes hose I.D. reducers, they slip inside a hose to reduce the I.D. by 1/4". Gates 26390 goes from 1.5 to 1.25, 26391 goes from 1.75 to .15, 26392 goes from 2 to 1.75, 26393 goes from 2.25 to 2. I used one in another application where the water pump was smaller than the radiator outlet, they work well.


1935 QD 1.5 ton stake bed
1937 SD 1.5 ton stake bed
1944 MS 1.5 ton stake bed
1946 PW 2 ton stake bed
Re: Replacement Radiator
Geo55 #1350596 Wed Mar 18 2020 10:14 PM
Joined: Dec 2017
Posts: 866
D
Shop Shark


Mike
Re: Replacement Radiator
Geo55 #1350604 Wed Mar 18 2020 11:23 PM
Joined: Mar 2014
Posts: 1,781
J
Shop Shark
In Tulsa your summers are going to be worse than winters. I've found the aluminum radiator (which looks different from the original) to cool incredibly better in the hellish summers we have here. There's no way I'd go back to the original after using the aluminum one. Good luck. You can buy hoses with different size ends, you know...those are general fit and not formed, but they work fine.


Jon

1952 1/2 ton with 1959 235
T5 with 3.07 rear end

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