Big block running hot. Can’t figure out the issue

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nvrenuf

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Not sure what was in it originally, it appears to be the original rad. I ordered a replacement off rockauto


With only 2 rows and 1-9/16" core thickness, that looks pretty small.
 

Slooptin

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Vance
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With only 2 rows and 1-9/16" core thickness, that looks pretty small.
Interesting. I thought it said 4 row on the description. Oddly enough I just slapped a similar radiator in my suburban with a 2-1/4” thick core so if this one is thinner, I might just put it in my suburban and put the suburban radiator in the k30 since they both are 19” tall radiators
 

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