ConcoursMustang Forums
1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1964 1/2 - 1965 => Topic started by: marbar11 on October 19, 2019, 09:51:40 PM
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Hi folks,
Looking for the correct regulator for my 64 1/2 260 V8, born on June 11th in Dearborn. I've read a few other posts about these here but none specific to my set up. I've narrowed it down to these 2 types but wanted to check with the experts here before purchasing.
My Corcoran/Davis restoration guide states they originally came with a 15 volt/30 amp C2AF-10505-A and all the repos I've seen online with this exact number have the blue FoMoCo stamping on them like this- https://www.kentuckymustang.com/product-p/4877.htm
I've also seen the C2AF-10505-B version with the silver FoMoCo stamping like this- http://stevesmustangparts.com/store/index.php?main_page=product_info&products_id=16972
I've seen a couple more that I've eliminated- the C2DF-10505-A has yellow stamping but was only used on 6 cylinders, and the Scott Drake C2AF-10505-BR is plain blue with no stamping at all.
Thoughts?
Mark
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The blue print one is correct, but none of the repro covers have the imprinted letters that correspond to the wiring.
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Here are some pictures of a NOS regulator that went to a friend "down under". I opened the box. This one is for a 6 cylinder car. Note the part is stamped C2DF-10505-A on the cover but the box says C3DZ-10505-A. The different part numbers are normal. Note the imprinted stamp for the terminals in the cover that Charles was referring to. Note the date code on the bottom.
The correct part numbers for V8 engines are C2AF-10505-A (marked on the cover), and C3TZ-10505-B (marked on the box, tag or shelf, it is an inventory number). The V8 regulator will work on a 6 cylinder car, not the other way around.
Jim
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was there a difference between 260 / 289 V8 cars and AC or non-AC cars?
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Michael,
There may very well be. The "64 Mustang Electrical Assembly Manual" (AM0003 pg 8 ) shows the different regulators for I6 and V8 with a note on the V8 entry as "R.P.O. for 6 cylinder", but no option is listed (R.P.O. is Regular Production Option).
Jim
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Hey guys,
Thanks for all the replies on this, although I now have a few more follow up Q's after reading these responses and digging a little deeper today. Not really concerned about the 6 cylinder ones at this point, but here's what else has come up for my 260 V8-
I found a couple websites that had them listed as "with power top and/or A/C" as Michael mentioned. Mine is a convertible, but doesn't have air conditioning- would that change things as far as correct/different part number?
Also dying to know what application the silver stamped "B" one is for? Most of these type are advertised as "Concours correct for 64/early 65 Mustangs but I can't find any info on the actual differences between the blue stamp/decal "A" one vs the silver stamp "B" one. I've only found 1 place online with the blue stamps in stock (sounds like AMK has discontinued making them) so I'd love to know the answer to this.
Aaaaand...I just found another late entry curve ball here too- a NOS C2TF-10505-A (complete with imprinted words & yellow warning stamps on the sides- see pics) which is also listed in my Corcoran book as being used in the early 65's with generators. Anyone know if this was a dealer or service replacement part number, or maybe used with power tops and/or AC cars?
The quest continues...
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Did you check the 64.5 Electrical assembly manual?
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Keeping in mind that Part Numbers shown in Master Parts Catalogs (MPC's) are Service Parts, the attached may answer some of your questions.
First is a copy from the 1964 only Car Parts and Accessories Catalog (MPC). As this was printed in January of 1964, it does not include Mustangs ; however, it gives you an idea of what Ford was doing with the Full size Fords, Fairlanes and Falcons.
Next is a copy from the 1965 only Car Parts and Accessories Catalog (MPC). This of course does include Mustangs, and shows that all Mustang V8's used the same Voltage Regulator, and that there is no difference with or without A/C (since none is listed as such).
Hope this helps confirm what has been said.
Bob
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Thanks Bob- sounds like I'll go with the C2AF-10505-A version at this point. Even more curious why some of these places list them as "with or w/o AC and power top" though.
Charles/Jim- I don't have that Electrical assembly manual you both mentioned but just found one on eBay for $17 bucks that would probably be a good investment.
Anyone else think it's bizarre that Ford used an "inventory" number on the boxes that was different than the actual part number as jwc mentioned? Seems like it could add a lot of confusion to have two, 10 digit numbers for each part in stock.
Still dying to know what the silver stamped "B" version is used for...
Mark
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Still dying to know what the silver stamped "B" version is used for...
Mark, I got a "glimpse" in my 60-68 MPC before my computer hiccuped, it was used on 62 full size Fords.
Jim
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AH HA- you may be on to something here Jim! I've now seen the "B" regulator with the silver label stamp linked to 1962 Ford Trucks and 1962 Fairlanes. I also just came across a page out of a Thunderbird online restoration guide that showed the original voltage regulator for a 1962 T-Bird, 35 amp is a C2AF-10505-B but doesn't state what color the label stamping is (assuming silver like all the reproductions I've seen).
Found out too that Fabulous Fords sells a Silver Voltage Regulator Decal for Ford Part #C2AF-10505-A for "Early 1962" cars and ALSO sell a blue one for the same part # for "Late 1962-63" cars (and obviously 64 Mustangs with generators) so the "A" version in fact had both color stampings on them. This makes sense, since I know they used a lot of parts from other Ford cars on Mustangs in those first 6 months of production.
This also clears up why the 2nd digit on this part is a "C2XX" (for 1962) instead of a "C4XX" (for 1964) which most of my other parts have on them, but it's starting to make sense. Here's my theory after researching this for WAY too long now-
C2AF-10505-A- original/correct stock regulator for the 64 1/2 V8 with generator that came with BOTH blue AND silver label stampings on them. It was also used on other "late" 1962 and 1963 Ford cars, and they probably used these "extra" ones on the early year Mustangs, then changed to a C5XX regulator after 12/1/64. AMK made the reproductions with the blue stamp but this one is not listed on their website anymore, and 3 other Mustang places I called are out of them (and aren't getting more in stock) so I have a feeling AMK has stopped making them now. My last hope is a guy I found today in AUSTRALIA online who has one and said he'll look into what shipping to the U.S. would be for that. I should probably post it in the Parts forum here too and see if anyone has one laying around their garage for sale.
C2AF-10505-B- original/correct regulator for OTHER 1962 Ford cars (T-Birds, Galaxies, trucks), ONLY came with Silver stamps, were NOT installed in early Mustangs BUT are considered "Concours correct" for judging purposes according to multiple Mustang sites. This is what threw me- Concours correct does not always equate to "original" parts, which finally got through to me today.
Would love to hear from any judges out there (Charles?) to see if I'm closer to the truth here than when I started...
Sorry this got so long!
Mark
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UPDATE
Got an email from AMK's sales dept and they confirmed they no longer reproduce the C2AF-10505-A with the blue stamp on it.
And the Australian guy ghosted me on our emails so I won't be getting his reproduction one after all
Went ahead and just bought the cover here for $20 on eBay so at least it will look correct-
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I am also interested in this VR-case with blue stamp. Does it has the yellow warning sentence at the side?
btw: what is the link in ebay?
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Hi Michael,
Yes it has yellow warning stamps on both sides, so no need to add decals to it (see pics of my item). eBay seller is in Plano, TX USA, and the link is below. Not sure if they ship outside the U.S. but if you do a search for "C2AF-10505 cover" you should be able to find others available.
https://www.ebay.com/itm/New-1964-Mustang-C2AF-Cover-Generator-Regulator-Cover-voltage-reg-Black/401906323078?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
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I am not sure if you are aware or not but the cover that comes in the brown box is a AMK product.
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Didn't realize that Bob- maybe they still make the cover but not the regulator itself?
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I know that this is a bit of a stale post but wanted to add that the color of the top stamp changed over 64 to 66. The bottom left is a 3L dated original, bottom center is a 6B dated original. Note how the earlier one the color is more towards Ford blue, while the 66 is more of a teal or aqua. The others are pics of the the two repro lids from AMK posted earlier in the thread and one of the complete repro regulators that AMK used to sell, all having an aqua color. Also note how the stamp on the repros is much thicker, almost looks silk screened, rather than ink stamped as the originals were.
-Scott
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I know that this is a bit of a stale post but wanted to add that the color of the top stamp changed over 64 to 66. The bottom left is a 3L dated original, bottom center is a 6B dated original. Note how the earlier one the color is more towards Ford blue, while the 66 is more of a teal or aqua.
Sorry Scott you lost me - voltage regulators for generator cars in 66? Are you referring to service replacements made in 66?
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Sorry Scott you lost me - voltage regulators for generator cars in 66? Are you referring to service replacements made in 66?
Just providing the date stamped on the back. Must assume that the 66 date was a service replacement, yes. Don't know if the lighter color was used on the line. I point it out because the repro has been done closer to this lighter color.
-Scott
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Just providing the date stamped on the back. Must assume that the 66 date was a service replacement, yes. Don't know if the lighter color was used on the line.
Would not be used on the line in 65 or 66 after generator installation ended
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Of course, this regulator would have only been used prior to the August 64 changeover. The question is whether any of these regulators with the aqua colored top stamps were produced and installed on the line prior to the changeover.
-Scott
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Of course, this regulator would have only been used prior to the August 64 changeover. The question is whether any of these regulators with the aqua colored top stamps were produced and installed on the line prior to the changeover.
-Scott
Good question. Don't think any of the ones I have pictures are clear enough or not faded enough to tell with any certainty