Jeff, I'm hearing the D0TA-C was recalled and the C9ZE-E was still used. Could it be mine came with the D0TA-C fan (since the build sheet shows that) but it was recalled and replaced with the C9ZE-E?
Haven't seen any documentation of a recall related to a possible fan issue. Did see a mention of a 70 CJ fan recall over on the CJ site but that discussion was a different fan not and not the D0TA-C you have on your build sheet apparently
The thread is titled "1970 Radiator fan Re-call" but the poster is asking about a "Build date 9/19/68 also a discussion touching on the ' G ' fan last May "SCJ Built in September1968?" so its a bit confusing
All the links posted are related to the later "flex fan" concern/reports that we saw at the time and some of Ford and other builders responses to that
Since we see that you have read and included a link to the CJ sites Fan description and application page no reason to revisit it.
My car was built on Sept. 29, 1969. Would it be a Cardinal sin to believe that's what happened and use the C9ZE-E fan?
"Cardinal sin"?? well don't think you will be excommunicated because of the choice. Now it will be incorrect and not a part that anyone would expect on a fully restored car IMO.
You may have to or choose install it temporarily as a "place keeper" to get the car operational until you find the correct one. I've done this on my Boss - not that I've put allot of effort in finding the earlier version as I should
I found a 35 stamped near the end of the fan blade. I assume that's for the 35th week of 69? That would put it at Aug. 25, 1969 to Aug. 31, 1969.
Not familiar with the date code pattern used on the D0 fans. C9 and prior most often used a letter and year. You may be correct in your assumption