Quote:
Originally Posted by GMCPaul
You need to use 69-72 Rad. mounts. The difference is in the frame mounted rad. support brackets. On a 67-68 frames these brackets are flush with the top of frame on 69-72 frames these brackets are below the frame top and require a thicker mount. So if its a 67-68 ALWAYS use 67-68 radiator support mounts even if you put a 69-72 front clip on it, if its a 69-72 frame always use 69-72 mounts even when using a 67-68 front clip.
GMCPaul
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Just a word of caution to 69 owners. My 69 C/20 has the core support brackets flush with the top of the frame and had the 67-68 style core support mounts. It was produced in early Dec. 1968. Either the 3/4 tons did not make the change or like most GM changes it actually occurred during the model year. So, I assume the thing to do is check the bracket location to determine the type of mount to use. Is that correct GMCPaul?
Here's a picture of my bracket locations.