What PARTS did Hurst and Chrysler put in the Super Stock Barracuda & Dart not in other factory cars

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autoxcuda said:
that would mean one off drums…

hmmm, the front large bolt disk were first used on the 66 Trans Am cars.

Well, if the fronts were large bolt on the Trans Am cars, they must have done something to the rears.

I don’t see any parts references to rear drums in Bob Tarozzi notebooks… well so far.

I have his 66 Trans Am binder too.

@ns1rm21
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I am not posting any pictures yet. I do not want any pictures to get back to the guy before I try to get them all. I don’t want to ruin anything with him. Not sure why he never shared them before, there must be a reason why he never gave anyone these picture. I have 6 pictures so far, from what he is saying he has a whole book of pictures of these cars at hurst Factory being worked on. Give me some time, I will share them all.
The front brakes you are correct on. I have had a set of these(super cool). Be be honest I don’t now why Chrysle did not get rid of the small bolt after they made these rotors. It would have save them some much money. As far as the rear brakes. The 8 3/4 rear had the big bolt pattern but they had the cheaper smaller 10 x 1 3/4 drums and shoes. I thought they where all 10 x 2 1/2. But pictures do not lie. Maybe on the Dana had the bigger 10 x 2 1/2 brakes. Hopefully he will have picture of them too.
 
davescuda said:
I am not posting any pictures yet. I do not want any pictures to get back to the guy before I try to get them all. I don’t want to ruin anything with him. Not sure why he never shared them before, there must be a reason why he never gave anyone these picture. I have 6 pictures so far, from what he is saying he has a whole book of pictures of these cars at hurst Factory being worked on. Give me some time, I will share them all.
The front brakes you are correct on. I have had a set of these(super cool). Be be honest I don’t now why Chrysle did not get rid of the small bolt after they made these rotors. It would have save them some much money. As far as the rear brakes. The 8 3/4 rear had the big bolt pattern but they had the cheaper smaller 10 x 1 3/4 drums and shoes. I thought they where all 10 x 2 1/2. But pictures do not lie. Maybe on the Dana had the bigger 10 x 2 1/2 brakes. Hopefully he will have picture of them too.
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What application was 10 x 1 3/4 rear drums??

some low line /6 B-body? Did 1968 /6 Bodies get 8 3/4’s or did they get 7 1/4’s ?

sorta weird since they were trying to gain rear weight.
 
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davescuda said:
Be be honest I don’t now why Chrysle did not get rid of the small bolt after they made these rotors. It would have save them some much money. As far as the rear brakes. The 8 3/4 rear had the big bolt pattern but they had the cheaper smaller 10 x 1 3/4 drums and shoes.
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Maybe better way to look at it is from their perspective. Why change to the big bolt pattern?
It's still unclear if there was a switch made for any of the Trans-Am cars.
Was it due to a problem? (no record of that, although some talk of issues with the upper ball joints)
Was it to make it easier/cheaper to get the wheels they wanted to run?
Something else?

autoxcuda said:
What application was 10 x 1 3/4 rear drums??

some low line /6 B-body?
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Yes.
10 x 1.75 BBP drums were used on slant six equiped B-bodies like a 67 Belvidere
Drum p/n 2534 173

Set of Rear Brake Linings
upload_2020-3-31_12-38-8-png.png



Set for all four brakes, shoe & lining package
upload_2020-3-31_12-34-18-png.png


Looks like two sets Backing Plates for 10 x 1.75
2533 850 and 1 A and 6 cyl B-body
2534 726 and 7 A-body with trailer towing., (different axle??)
upload_2020-3-31_16-35-43-png.png
 
I can see them wanting to run big bolt pattern for several reasons, 1/2” stud versus 7/16” stud, 4 1/2” pattern is much more common for aftermarket wheels and the center indexing ring on the hub is much more common. Remember they also got rid of the left hand threaded studs as well.
 
Note that it says at the top "Test Car Build-up", suggesting it was for the "Mule Car" only. Having never seen any other LO or BO car with them, I'd suspect them being used as a concept only seems valid.
 
Would've been interesting if a Dart mule car had been built for testing comparisons.
 
ns1rm21 said:
I can see them wanting to run big bolt pattern for several reasons, 1/2” stud versus 7/16” stud, 4 1/2” pattern is much more common for aftermarket wheels and the center indexing ring on the hub is much more common. Remember they also got rid of the left hand threaded studs as well.
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Yes all true
 
  1. hemicop said:
    Note that it says at the top "Test Car Build-up", suggesting it was for the "Mule Car" only. Having never seen any other LO or BO car with them, I'd suspect them being used as a concept only seems valid.
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yes those are parts procurements sheets for the mule.

They say 1967 barracuda. That is just a placeholder.

The mule started out as a 1968 red 340 4spd Barracuda. All documented with Lot ID # even.
 
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Always interesting. Thanks for bringing this back up
 
In theory, the radio/heater delete plate on the Darts could be had if you ordered a car without them. Practically speaking, that doesn't make sense for a street car. Anyone ever see one? Years ago my first delete plate I got from a junkyard in Tucson, Az. so I guess someone could have ordered a car like that in that area. But that's the only one I've ever seen. The outside mirror delete was something else as any place I know of requires them. Anyone ever see a non BO/LO car with these parts?
 
DID they use the same plate? The A-body radio/heater delete plate was a one piece unit, not like what was on the Barracudas which was a single, simple rectangular plate.
 
hemicop said:
In theory, the radio/heater delete plate on the Darts could be had if you ordered a car without them. Practically speaking, that doesn't make sense for a street car. Anyone ever see one? Years ago my first delete plate I got from a junkyard in Tucson, Az. so I guess someone could have ordered a car like that in that area. But that's the only one I've ever seen. The outside mirror delete was something else as any place I know of requires them. Anyone ever see a non BO/LO car with these parts?
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i bet that was a Mexican A-body with the heater delete. We used to see them here and there in So Cal junkyards back in the day. Never thought to look back then. Tucson would have a even higher rate of them.

Yes, I’ve seen them in two Mexican 68 318 GTS, a 72 Mexican “Demon” but I think was called a Valliant, a ‘69 barracuda at Pomona swap meet with the remains of it (had 200+ kph speedo too). There a 73 or something Mexican Dart with those extended rear pillars, but I think that car had A/C or was converted once.

the 68 Darts had barracuda rallye dashes in them. Not sure if that was because it was a GTS or not.

Those cars in Mexico get absolutely hammered.

I’ve heard of some Hawaiian E-bodies with heater delete. I would assume there were Hawaiian A-bodies also with heater delete.

The mirror block off was probably something for another country too. Chrysler sold cars and truck all over globe.
 
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hemicop said:
DID they use the same plate? The A-body radio/heater delete plate was a one piece unit, not like what was on the Barracudas which was a single, simple rectangular plate.
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the barracuda heater control block off’s have molded clips behind them that precisely fit into the control slots in the heater control area. And snap in.

One guy with a Mexican GTS showed them to me in his glove box. He had converted the car to heater since the car was in LA. He wouldn’t sell me the clips BTW.
 
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In Bob Tarozzi’s notes from designing the cars, he just lists those parts like they were off the shelf nothing special.

I think the mirror block off has an 25xxxx part number??? So that originates to 1964-1965. The second digit is typically the year it was first used (intended to use).
 
....... And the Dart plates are similar but they have the grainy texture like the rest of the plastic on the dashboard.
 
a lot of the parts on these cars were off-the-shelf items for a variety of things---- A100 (van) seats, these delete plates, the de-clutching unit for the fan, to name a few. So if one is careful enough, have the part numbers and is patient, one can find these "specialized" parts pretty easily.
 
hemicop said:
a lot of the parts on these cars were off-the-shelf items for a variety of things---- A100 (van) seats, these delete plates, the de-clutching unit for the fan, to name a few. So if one is careful enough, have the part numbers and is patient, one can find these "specialized" parts pretty easily.
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I agree most of the stuff is common. You ever take a real seat apart? They are not the same, close but not the same. When you order seat covers from legendary you have to tell them original seats or A100 seats
 
On the Barracuda it had a radio delete a fan switch and controls delete plates. They were all available on all Barracudas
 
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Yeah. Actually the S/S "A100" seats are a bit narrower & have no welting along the seams. I got my upholstery from Legendary & did have to mention that. I was at a car show years ago where a well-known S/S 'cuda was on display. I mentioned these little quirks to the owner who said he never knew that. looking back, these cars really were the epitome of factory race car builds. I'd even say the newer package cars weren't engineered from factory pieces as well as these cars. Oh, I'd love to have a new DragPak Challenger but very little of it is "factory" so IMO it doesn't quite count.
 
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