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Forum: Members Helping Members 01-14-2022, 06:08 PM
Replies: 0
Views: 362
Posted By SD Formula
Previous ownership search

I'd like to fill in the ownership gap on my 1969 GTO RA conv, from the time the PHS shows it being delivered to the Royal dealership (May1969) until about mid 1972.
I have the ownership information...
Forum: 70-73 Firebird & TA TECH 12-03-2021, 02:21 PM
Replies: 5,647
Views: 662,435
Posted By SD Formula
SD Formula VIN 22779 is not listed on the SD...

SD Formula VIN 22779 is not listed on the SD Registry.
Forum: 74-76 Firebird & TA TECH 11-30-2021, 10:49 AM
Replies: 2
Views: 1,639
Posted By SD Formula
Thanks!

Thanks!
Forum: 74-76 Firebird & TA TECH 11-29-2021, 02:21 PM
Replies: 2
Views: 1,639
Posted By SD Formula
74 SD Formula colors

Does anyone know if there has ever been a break down posting of the fifty eight 1974 SD455 Formula exterior color? X many - red, X many - blue, etc.
I know the SD registry has a a breakdown of the...
Forum: 68-69 GTO Tempest & LeMans TECH 09-09-2021, 06:30 PM
Replies: 32
Views: 3,614
Posted By SD Formula
I agree with you, that the 1969 vacuum power door...

I agree with you, that the 1969 vacuum power door lock switch was installed farther back on the door panel than the 1970 and later electric power door lock switch.
We can all speculate why The...
Forum: 68-69 GTO Tempest & LeMans TECH 09-09-2021, 05:39 PM
Replies: 32
Views: 3,614
Posted By SD Formula
Attaches is a photo from a January 1970 Car and...

Attaches is a photo from a January 1970 Car and Driver Road Test article. The subject of the road test is 1970 GTO 455 hardtop, with remote outside rear view mirror, power windows and power door...
Forum: 68-69 GTO Tempest & LeMans TECH 09-08-2021, 11:11 PM
Replies: 32
Views: 3,614
Posted By SD Formula
Good analysis!

Good analysis!
Forum: 68-69 GTO Tempest & LeMans TECH 09-08-2021, 08:37 PM
Replies: 32
Views: 3,614
Posted By SD Formula
Yes I see what you mean. So the electric...

Yes I see what you mean.
So the electric reproduction 1970 switches will not look correct or properly fit the hole in the panel, as they are not the same size as the original vacuum switch....
Forum: 68-69 GTO Tempest & LeMans TECH 09-08-2021, 08:26 PM
Replies: 32
Views: 3,614
Posted By SD Formula
Yes I can see that it's going through the same...

Yes I can see that it's going through the same door location on both doors in your photos. However, if you look at post number four in this thread, Ben M posted a picture of a '69 LeMans with the...
Forum: 68-69 GTO Tempest & LeMans TECH 09-08-2021, 07:34 PM
Replies: 32
Views: 3,614
Posted By SD Formula
North, With this post, you have at least...

North, With this post, you have at least quadruple the amount of information on vacuum locks, Thank you so much!
Years ago I pulled a set of 1970 electric power locks from a Skylark. Everything was...
Forum: 68-69 GTO Tempest & LeMans TECH 09-08-2021, 12:37 PM
Replies: 32
Views: 3,614
Posted By SD Formula
Thanks, PM Sent.

Thanks, PM Sent.
Forum: 68-69 GTO Tempest & LeMans TECH 09-08-2021, 11:06 AM
Replies: 32
Views: 3,614
Posted By SD Formula
Here it is, plain as day, in my 1969 Pontiac...

Here it is, plain as day, in my 1969 Pontiac owners manual.
I should have looked here first!
Forum: 68-69 GTO Tempest & LeMans TECH 09-08-2021, 09:36 AM
Replies: 32
Views: 3,614
Posted By SD Formula
Yes, The one I showed in the previous post is...

Yes, The one I showed in the previous post is from a 1961 Cadillac, I marked it when I pulled it years ago.
To further clarify, of the dozens of power lock switches both electric and vacuum, I've...
Forum: 68-69 GTO Tempest & LeMans TECH 09-07-2021, 05:04 PM
Replies: 32
Views: 3,614
Posted By SD Formula
& they say LOCK on them.

& they say LOCK on them.
Forum: 68-69 GTO Tempest & LeMans TECH 09-07-2021, 05:01 PM
Replies: 32
Views: 3,614
Posted By SD Formula
OK, I think I finally got it, DUH! Just like...

OK, I think I finally got it, DUH! Just like these electric PW window buttons, except vacuum operated.
I'm guessing they are hard to find!
Thanks!
Forum: 68-69 GTO Tempest & LeMans TECH 09-07-2021, 04:45 PM
Replies: 32
Views: 3,614
Posted By SD Formula
That looks exactly like the 1970 electric power...

That looks exactly like the 1970 electric power lock switch used on the GM A body cars.
Is that a vacuum switch? Or has the electric option been added or the vacuum locks, or converted to electric...
Forum: 68-69 GTO Tempest & LeMans TECH 09-07-2021, 03:33 PM
Replies: 32
Views: 3,614
Posted By SD Formula
Here's a better view of the switch, showing the...

Here's a better view of the switch, showing the corners and the thickness, which is slightly over a quarter inch.
Do you happen to have a photo of a correct vacuum lock switch?
Thanks for your...
Forum: 68-69 GTO Tempest & LeMans TECH 09-07-2021, 12:32 PM
Replies: 32
Views: 3,614
Posted By SD Formula
1969 GTO vacuum power lock switch.

Does this look like a correct 1969 GTO vacuum power lock switch?
Forum: 69-71 Judges only TECH 05-23-2021, 06:47 PM
Replies: 15
Views: 3,433
Posted By SD Formula
Unfortunately no! Sorry!

Unfortunately no!
Sorry!
Forum: 69-71 Judges only TECH 11-24-2020, 12:32 PM
Replies: 15
Views: 3,433
Posted By SD Formula
The answer please

So combining the information from Johnta1 and Uncle Judge. Is the answer 17 455 automatic only 1970 GTO Judge convertible and hardtop, and only 3 455
Judge convertibles.? 7 with AC, distribution...
Forum: 69-71 Judges only TECH 11-23-2020, 10:51 PM
Replies: 15
Views: 3,433
Posted By SD Formula
I've asked him if he could dig up more...

I've asked him if he could dig up more information on the car, or a picture would be nice. He said he would. I'll post any additional information he provides.
Forum: 69-71 Judges only TECH 11-23-2020, 09:31 PM
Replies: 15
Views: 3,433
Posted By SD Formula
Does it still exist???

Just to clarify, this is a memory of the original owner who purchase a brand new, 1970 GTO Judge 455 4 speed convertible, in 1970, at a Pontiac dealer in the Boston Massachusetts area.
It's not a...
Forum: 69-71 Judges only TECH 11-23-2020, 10:34 AM
Replies: 15
Views: 3,433
Posted By SD Formula
1970 GTO Judge 455 4 speed convertible.

I have recently found an original owner of a triple tan 1970 Judge 455 convertible sold at a Boston Mass dealer.
He told me it was a four-speed car but I thought all 455 judges were automatic....
Forum: 74-76 Firebird & TA TECH 03-15-2019, 09:11 AM
Replies: 159
Views: 10,074
Posted By SD Formula
Amelia Island

I trailer my SD Formula to the Amelia Island Concours d'Elegance Cars and Coffee event on Saturday March 9th. Really a great show, a lot of Pontiac enthusiast there. I met some guys from the local...
Forum: 74-76 Firebird & TA TECH 02-25-2019, 02:58 PM
Replies: 159
Views: 10,074
Posted By SD Formula
Source for SD Formula data.

Other than the SD registry, is there a good source for SD Formula specific data, such as # of: exterior color, interior color, options, etc? Maybe a sticky? Somebody must be tracking PHS data on...
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