Look at those black cragars.......
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Quote from: Bob Gaines on September 19, 2025, 11:54:09 AMQuote from: 98SVT - was 06GT on September 18, 2025, 03:24:38 PMAI version is below. Since people have taken these apart and seen no difference were they different suppliers? The AI says "different version of same part". Were things like tube thickness checked, a different hole in a bracket, weight? I could see Ford bean counters saying we could save a few ounces of brass if we use thinner material.There are also verified unmolested examples of Y2 top tank embossing that were modified with a single letter embossed "G" soldered over a slightly stamped done Y . This further shows how little difference there is between the Y2 and G2 that Ford or Modine made that slight change to inventory on hand to make them visually comply.
Did any of the San Jose cars use the soldered on tag or were they all stamped in the top tank?
https://www.amkproducts.com/parts/ford/radiator-tags/
The Y2 and G2 markings on a Ford radiator refer to different versions of the same component used on classic 1965 Mustangs. The primary difference is the date of manufacture, as the G2 designation was typically used earlier in the model year before transitioning to the Y2 mark.
Key distinctions
Production timeline: The G2-stamped radiator is generally considered the earlier version for 1965 V8 Mustangs with a manual transmission. Production shifted to the Y2 marking around May 1965.
Vehicle application: Both G2 and Y2 radiators were used on 1965 V8 Mustangs equipped with a manual transmission, particularly those from the San Jose assembly plant. The exact changeover is not precise, and some examples exist of both codes appearing around the transition period.
Stamping location: For 1965 Mustangs from the San Jose plant, the code (G2 or Y2) was stamped directly into the top tank of the radiator, not on a metal tag.
Significance for restoration: For classic Mustang restorers, getting the correct date-coded radiator is important for an authentic, "concours" level restoration.



