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Does A35 make anything different on the radiator?

fesser

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Not sure how to phrase this question clearly.

While researching a radiator I have, 2898070 I found one of the lists ( https://www.mopar1.us/radiator.txt ) that show it is from a 1968 C body, 26", for a 383 with A/C, auto, and A35.
The next radiator down on the list is 2898072 shows it is for a 1968 C body, 26", for a 440 with AC and auto.

Does anyone know what would be the difference between these two radiators? Did the A35 (trailer package) application add anything to the 070 that the 072 wouldn't have, or vice versa?

I started down this rabbit hole after foolishly taking the radiator that was in my 68 Coronet, a 2949055 and having it re-cored without even looking at what it was. Rookie mistake thinking there were 26" radiators and 22" radiators and that there weren't too many variations. I was really surprised when I looked at it after paying a butt ton to have it re-cored and seeing that it is a two core radiator. I still can't believe I didn't research it first. I am simply amazed at how many variants there were for each model, each year.
 
Most likely the only difference would be 3 rows of tubes vs 2 rows of tubes. The 055 radiator was 2 row x 26" radiator if I remember correctly.
 
Most likely the only difference would be 3 rows of tubes vs 2 rows of tubes. The 055 radiator was 2 row x 26" radiator if I remember correctly.
You are correct about the 055 being two rows.
The 070 I have is three rows. I am curious about what is different between the 070 and the 072.
 
You are correct about the 055 being two rows.
The 070 I have is three rows. I am curious about what is different between the 070 and the 072.
It will likely be the difference in fins/inch, the WWW fins between the tubes on the air side.....as the fins are the heat exchange surface with the air stream......more fins/inch, the greater the heat exchange area.....the tubes conduct the coolant from the inlet tube sheet to the outlet tube sheet......
BOB RENTON
 
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