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1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1968 Mustang => Topic started by: Richard P. on July 07, 2015, 02:31:20 PM

Title: Spark Plug Wire Separators
Post by: Richard P. on July 07, 2015, 02:31:20 PM
Please excuse my last post. I recently did some work on a 1968 Mustang Coupe with 12,999 miles. It is my understanding that the car had been sitting for the past 25 years. The car had a 289 2 V engine with one white separator on the passenger side. I worked on a 1967 Thunderbird with a 390 CU IN (big block) engine this weekend that had TWO white spark plug wire separators. Apparently Ford was using them earlier than 1968 and not just on Mustangs.
Title: Re: Spark Plug Wire Seperators
Post by: stangfan on July 07, 2015, 03:35:51 PM
What happened to the earlier discussion about the white separator?  I have one from my 68 GT/CS and was following the thread.   ???
Title: Re: Spark Plug Wire Separators
Post by: ruppstang on July 08, 2015, 09:00:26 AM
I too want to know what happened to the original thread, there were a number of posts on it? I find it strange that Richard P. thread above was edited by Carlite 65.

This was my post yesterday.

"Our 67 SJ C code GTA had one on it. I have not seen on a big block from any plant. Few cars that had them have them now, most were lost the first time the plug wires were changed. Most that I find are on low mile unrestored cars".

I would like to clarify that because I have not seen one on a BB does not mean that I do not believe hat BB did not have them. IMHO I think that they were used at all plants on all car lines.
Marty
Title: Re: Spark Plug Wire Separators
Post by: Richard P. on July 08, 2015, 09:20:57 AM
Marty I accidently deleted the former posting. I'm still learning computers. SORRY
Title: Re: Spark Plug Wire Separators
Post by: carlite65 on July 08, 2015, 09:32:13 AM
my edit was for a spelling error in the title on both posts.
Title: Re: Spark Plug Wire Separators
Post by: Dudley on July 09, 2015, 01:29:49 PM
my '68 C code May/June build has the white on the pass side and the black on the driver side
Title: Re: Spark Plug Wire Separators
Post by: mhubert89 on July 14, 2015, 10:33:25 AM
so my 68 suppose to have 1 black and 1 white between the valve cover and distributor ? how about the one bolt on the valve cover, 2 are black ? did someone have a picture of what suppose to look like ?
thanks
Title: Re: Spark Plug Wire Separators
Post by: Dudley on July 14, 2015, 01:22:32 PM
the valve cover pieces are black on mine. They show slightly in pictures that I have, for better pictures I would have to take more when I'm back home.
Title: Re: Spark Plug Wire Separators
Post by: Bob Gaines on July 14, 2015, 02:04:58 PM
so my 68 suppose to have 1 black and 1 white between the valve cover and distributor ? how about the one bolt on the valve cover, 2 are black ? did someone have a picture of what suppose to look like ?
thanks
This is a interesting topic but would caution against drawing any hardline conclusions on it's frequency of usage. I am not sure of the reason for usage other then what has been described already . I DO know that my personal observations is that the white spark plug wire separator was used sporadically at best for what ever reason regardless of plant. I am confident others similar observations will bear this out. It is reasonable to conclude by myself at least that the white separator is not expected to be seen on every car because of this . 
Title: Re: Spark Plug Wire Separators
Post by: J_Speegle on July 14, 2015, 04:59:32 PM
so my 68 suppose to have 1 black and 1 white between the valve cover and distributor ?.........

IMHO - nope

Better description might be "so my 68 may have had   1 black and 1 white.."


Often details are not so black and white   ::)
Have a number of very nice unrestored cars (pictures) with both black versions being used
Title: Re: Spark Plug Wire Separators
Post by: ruppstang on July 15, 2015, 12:06:43 AM
I would say that there are way too many of these seen to be dismissed. As others have said not all cars had them. IMHO if you car had it put it back. If it did not no need to go looking for one.

Often details are not so black and white   ::)  Nice pun Jeff just had to jump on that one didn't you!
Marty
Title: Re: Spark Plug Wire Separators
Post by: Bob Gaines on July 15, 2015, 12:20:25 AM
I would say that there are way too many of these seen to be dismissed. As others have said not all cars had them. IMHO if you car had it put it back. If it did not no need to go looking for one.

Often details are not so black and white   ::)  Nice pun Jeff just had to jump on that one didn't you!
Marty
Marty, I hope you didn't misunderstand my post to suggest dismissing the white separator . I have seen many also but just a small fraction compared to the ones that didn't have them in similar undisturbed context. I have seen seldom used (relatively speaking) details like this misused is the point I was trying to make.
Title: Re: Spark Plug Wire Separators
Post by: ruppstang on July 15, 2015, 08:51:52 AM
No worries Bob, I agree. The first few cars that I restored I added a lot of optional equipment to them. I believe that is a natural tendency to make the car as desirable as possible. Much latter I learn that it is more important to keep the car as original as possible. We are still learning plant patterns and dates, if restorations are done with no regard to date, plant and original build they will be of little use in the future to learn from. This forum and it's members has made me a better judge and restorer.
Marty   
Title: Re: Spark Plug Wire Separators
Post by: somethingspecial on July 15, 2015, 07:44:34 PM
To add a little more to this discussion I ask: How many engine assembly plants were there?  It is my understanding the engines were built in Detroit, then shipped to the proper assembly plant.  If only one plant was used in 67-68, would the white separator be be used as the bin was filled with what ever color was dumped in, or if multiple engine assembly plants were used, would it only be that plant?  I hope I make sense. 
Title: Re: Spark Plug Wire Separators
Post by: J_Speegle on July 15, 2015, 08:16:03 PM
To add a little more to this discussion I ask: How many engine assembly plants were there?  ..............

Think 3-4  but that represents all the engines that were available. For the small block we have Cleveland and (not sure) if Windsor Would have to check the books


In any case - could this be a multiple supplier thing. Yes possibly IMHO since Henry (and it likely rubbed off on the son) hated single sourcing.

Odd that it appears to be a one year/one engine type only thing (for Mustang)

Title: Re: Spark Plug Wire Separators
Post by: ruppstang on July 15, 2015, 08:30:58 PM
"Odd that it appears to be a one year/one engine type only thing (for Mustang) "

I have found them on Fairlane's, Galaxy's and Mustangs 67 and 68. I think at the start of this thread Richard P. said he found them on a 67 BB Tbird.
Marty
Title: Re: Spark Plug Wire Separators
Post by: J_Speegle on July 15, 2015, 11:05:04 PM
"Odd that it appears to be a one year/one engine type only thing (for Mustang) "

I have found them on Fairlane's, Galaxy's and Mustangs 67 and 68. I think at the start of this thread Richard P. said he found them on a 67 BB Tbird.
Marty

Just thought keeping the focus on the small block might be helpful in the long run. Yes saw the one T bird observation
Title: Re: Spark Plug Wire Separators
Post by: somethingspecial on July 16, 2015, 09:29:48 AM
My J code May-68' SJ built coupe had a white one on the passenger side, black on the drivers side.  Found a white one on a 68' 390 Fairlane in a wrecking yard, on passenger side.  Unknow build date or plant.  I assume the engines were built at different plants, or were the SB and BB engines made at same plant?   Looking at the "Close up of engine" photo in the "engine installation" thread in the San Jose assembly plant section it is hard to tell what color the separator is as the flash produced a glare in that area.  it appears lighter color, but so do the wires.  Mike
Title: Re: Spark Plug Wire Separators
Post by: Bob Gaines on July 16, 2015, 09:54:08 AM
My J code May-68' SJ built coupe had a white one on the passenger side, black on the drivers side.  Found a white one on a 68' 390 Fairlane in a wrecking yard, on passenger side.  Unknow build date or plant.  I assume the engines were built at different plants, or were the SB and BB engines made at same plant?   Looking at the "Close up of engine" photo in the "engine installation" thread in the San Jose assembly plant section it is hard to tell what color the separator is as the flash produced a glare in that area.  it appears lighter color, but so do the wires.  Mike
The FE engines were built at the Rouge plant facility and the smallblock at the Cleveland plant.
Title: Re: Spark Plug Wire Separators
Post by: Hipo giddyup on July 16, 2015, 10:48:48 AM
I have ran across a coupe of these "white" separators in the parts bins in my dad's old garage (he was the chief mechanic for our Mustangs and storage for all of the swap meet parts/lots we picked up to keep our cars on the road,etc..  ). I think I tossed them due to these not looking "correct" for our stangs   ??? ???? Now I am regretting it!!!!   :o  :-[
Title: Re: Spark Plug Wire Separators
Post by: J_Speegle on July 16, 2015, 07:44:32 PM
..............I assume the engines were built at different plants, or were the SB and BB engines made at same plant?   .............

Found two references about 67-68 small block production. Bob M's Small block V8 book states "between 1966 and the end of 1967 production , Cleveland shared 289 production with Windsor, Ontario engine plant. In 1968, Cleveland  switched to 302 V8 production, exclusively. The Windsor engine plant continued 289 production."

If members take this up as a long term project it appears that documenting the information from the engine tag might be really important since the code would indicate which plant assembled the engine and this might produce a unidentifiable pattern