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-   -   1973 SD Transam 4 spd 1 of 72 built (https://www.yenko.net/forum/showthread.php?t=143100)

black69 06-05-2017 06:42 PM

1973 SD Transam 4 spd 1 of 72 built
 
White with red interior, rare 4 spd.
Restored
$155,000

Will be posting more details later today.
Posting to help a friend.

mockingbird812 06-05-2017 07:27 PM

this should be VERY interesting!!!

PeteLeathersac 06-05-2017 09:55 PM

'

Not a buyer but looking forward to hearing/seeing more of this car too.
Best of luck w/ the sale & congrats to whoever can make it theirs!
:beers:
~ Pete

.

Postsedan 06-05-2017 10:12 PM

Tic, tic, tic.....waiting :D

Dan

njsteve 06-06-2017 12:54 AM

Quote:

Originally Posted by Postsedan (Post 1355371)
Tic, tic, tic.....waiting :D

Dan

Yeah, what he said...

black69 06-06-2017 01:01 AM

Car has original engine, trans, was rust free before restored. Primarily a 1 owner car.


http://i358.photobucket.com/albums/o...pspxzyp1vz.jpg
http://i358.photobucket.com/albums/o...ps6hdffhkc.pnghttp://i358.photobucket.com/albums/o...psqkpnimpg.jpg
http://i358.photobucket.com/albums/o...psfsmkssk8.png
http://i358.photobucket.com/albums/o...psv3cfz5zb.png
http://i358.photobucket.com/albums/o...psslvsh3ma.jpg
http://i358.photobucket.com/albums/o...psphtblowr.jpg
http://i358.photobucket.com/albums/o...ps0dvn4dsh.jpg
http://i358.photobucket.com/albums/o...pszliexwjm.jpg

black69 06-06-2017 01:13 AM

http://i358.photobucket.com/albums/o...psgtr7tnsl.jpg
http://i358.photobucket.com/albums/o...psfjebgowa.jpg

black69 06-06-2017 01:25 AM

Here is a nice overview of what a 73 SD is, except the example in the video is an automatic with air conditioning.

https://www.youtube.com/watch?v=e9UtMwJ9m1U

KenMaisano 06-06-2017 03:08 AM

Is this the one that has been on Cars on line for sale??

black69 06-06-2017 04:11 AM

Quote:

Originally Posted by KenMaisano (Post 1355402)
Is this the one that has been on Cars on line for sale??

Same car. Chicago area location now.

iluv69s 06-06-2017 10:52 AM

Really love the early TA's, but I'm naive about these cars.

ram air delete?? were they all that way?? Is car stripe delete or did they not have the stripe in 73?
GLWS

njsteve 06-06-2017 11:13 AM

No stripes after 1972. Ram Air Delete refers to the mandatory block off plate riveted to the back of the shaker instead of the solenoid operated flapper door. Drive-by noise regulations in 1973 mandated it. Owners simply drilled out the three rivets and the shaker was then open. Very rare to find an unaltered original shaker with the rivets intact these days.

Postsedan 06-06-2017 11:19 AM

A beautiful example.....I love the White :D

Dan

ruc 06-06-2017 11:40 AM

Would love to have it!
Would make a nice mate to my Polar white/red 70 Judge.
Great Car

black69 06-06-2017 05:10 PM

Another point of information is this car has a close ratio 4spd (few made?) and has the more desireable rear end ratio (3:42). This car would be in the 13 second range which was amazing for 1973. On the other hand, a 73 SD w/automatic with air conditioning would have a different rear end ratio (3:08) that would put it at a disadvantage. That version would be in the low 14s.

Not all 73 SD 455s Trans Ams were created equal. This is one of the fastest ones that put it into the performance range of 70 hemi cars, etc. which was just mind blowing for the times.

The more I learn about this car, the more I like it....

njsteve 06-06-2017 05:48 PM

3.42 was the rear end ratio for stick cars and 3.08 was for the automatic cars with or without A/C. (No A/C allowed in stick cars). All the four speed transmissions were the same internally and were no longer built by Muncie in 73.

You are quite correct- these cars are scary fast. And to think that they accomplished all this with 8.6 to 1 compression!

If there is one version to have of a SD455, it would be a stick car. (Unless you're old like me and need to be refrigerated and have the shifting done for you) :-)

Gary Anderson 06-06-2017 06:59 PM

"All the four speed transmissions were the same internally and were no longer built by Muncie in 73."

Can you elaborate on this? I thought Muncie's ran through mid year '74?

njsteve 06-06-2017 07:21 PM

Sorry about that, my typing overtook my memory recall ability. The close ratio Borg Warner Super T-10 started in 74 and was used in the 74 SD455 cars. The SD455 still had Muncies in 1973 but if I recall correctly, it was the M20 wide ratio. The regular 455 got the close ratio M21, (the M22 got dropped after 1972).

BTW, all the transmissions used the "M" in front of the number regardless of who made them (not just Muncie) and what year.

There's some SD455 trivia on the trans question half way down the page here: http://www.angelfire.com/mi/jamos1/sdtrivia.html

KenMaisano 06-06-2017 08:09 PM

Quote:

Originally Posted by njsteve (Post 1355488)
3.42 was the rear end ratio for stick cars and 3.08 was for the automatic cars with or without A/C. (No A/C allowed in stick cars). All the four speed transmissions were the same internally and were no longer built by Muncie in 73.

You are quite correct- these cars are scary fast. And to think that they accomplished all this with 8.6 to 1 compression!

If there is one version to have of a SD455, it would be a stick car. (Unless you're old like me and need to be refrigerated and have the shifting done for you) :-)

I'm one of the old guys, I had a 74 Four speed and sold it. And bought a Auto A/C Car.

The Boss 06-06-2017 10:38 PM

Damn!

auwrestling 06-07-2017 03:05 AM

Quote:

Originally Posted by black69 (Post 1355482)
Another point of information is this car has a close ratio 4spd (few made?) and has the more desireable rear end ratio (3:42). This car would be in the 13 second range which was amazing for 1973. On the other hand, a 73 SD w/automatic with air conditioning would have a different rear end ratio (3:08) that would put it at a disadvantage. That version would be in the low 14s.

Not all 73 SD 455s Trans Ams were created equal. This is one of the fastest ones that put it into the performance range of 70 hemi cars, etc. which was just mind blowing for the times.

The more I learn about this car, the more I like it....

Got addicted to these cars in mid 70s and have owned many super dutys .Still have my 73 Red TA SD 4Spd I found locally 40 yrs ago this month . Best muscle car built!

flyingn 06-07-2017 12:02 PM

holy crap is that nice!!!!

olredalert 06-07-2017 02:02 PM

Quote:

Originally Posted by njsteve (Post 1355501)
Sorry about that, my typing overtook my memory recall ability. The close ratio Borg Warner Super T-10 started in 74 and was used in the 74 SD455 cars. The SD455 still had Muncies in 1973 but if I recall correctly, it was the M20 wide ratio. The regular 455 got the close ratio M21, (the M22 got dropped after 1972).

BTW, all the transmissions used the "M" in front of the number regardless of who made them (not just Muncie) and what year.

There's some SD455 trivia on the trans question half way down the page here: http://www.angelfire.com/mi/jamos1/sdtrivia.html

----I'm sure that the wide ratio M-trans helped that 3.42 geared SD get those kind of quarter mile times......Bill S

auwrestling 06-07-2017 04:21 PM

Quote:

Originally Posted by olredalert (Post 1355609)
----I'm sure that the wide ratio M-trans helped that 3.42 geared SD get those kind of quarter mile times......Bill S

Yes much better off with wide ratio , I've had both .

Stefano 06-07-2017 08:33 PM

Looks like Tommy Lembeck's car. It was for sale at MCACN VIP.

L78steve 06-08-2017 02:54 PM

Quote:

Originally Posted by njsteve (Post 1355488)
3.42 was the rear end ratio for stick cars and 3.08 was for the automatic cars with or without A/C. (No A/C allowed in stick cars). All the four speed transmissions were the same internally and were no longer built by Muncie in 73.

You are quite correct- these cars are scary fast. And to think that they accomplished all this with 8.6 to 1 compression!

If there is one version to have of a SD455, it would be a stick car. (Unless you're old like me and need to be refrigerated and have the shifting done for you) :-)

The 3.08 was for auto with A/C. Auto or stick can be had with the 3.42 w/o A/C. I had a 74 SD Auto no A/C with 3.42, unless 73 was different for the auto and 3.42.

njsteve 06-08-2017 03:20 PM

That is correct. From personal experience I think the autos run better with the 3.08 rather than the 3.42.

black69 06-09-2017 11:07 PM

Quote:

Originally Posted by njsteve (Post 1355803)
That is correct. From personal experience I think the autos run better with the 3.08 rather than the 3.42.

Here is some info out an attached link on the performance related to rear end ratios:

Where the SD-455 Trans Am dropped to low-14 second quarter-mile range was when it was equipped with both the automatic transmission and air-conditioning which gave it a mandatory 3.08 rear axle ratio.

Link of reference:

http://www.firebirdnest.com/index.ph.../9-1973transam

black69 06-09-2017 11:13 PM

Hey, I think a relative to this car just sold.
http://www.legendarymotorcar.com/inv...55sd-1178.aspx

70post 06-11-2017 06:59 AM

It is a cool car. If it's the same car that was in the Austin, TX area, now sans the Screaming Eagle decal on the hood, then I know it well.

black69 06-21-2017 11:46 PM

Quote:

Originally Posted by 70post (Post 1356080)
It is a cool car. If it's the same car that was in the Austin, TX area, now sans the Screaming Eagle decal on the hood, then I know it well.

I agree, it is a cool car!


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