Several members of my local Studebaker Club have 55 Speedsters which have located on the valve covers the word "Passmaster". I never paid much attention to that fact. Now that I have one of my own is there anything special about the "Passmaster" engine or was it just a marketing tool?
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The Speedster engine was a 4 barrel, dual exhaust, 259 cu. in. engine 185 hp.It was also found in the President sedans.
There was a 2 barrel version in the Commander, called the Bear Cat, 162 hp. I also think the 185 hp could be found in the Commander, optional.
Klif
55 Speedster
42 Champ Coupe55 Speedster/Street Machine
63 Avanti R2
64 Convertible R1
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There was nothing "special" about the engine's used in Speedsters. They were standard (of course, '55 was the debut year for the 259) 259s as were used in many, MANY Studebakers for years afterwards. As was said, the only REAL difference for the Speedster engines was that the Cater WCFB, 4bbl was standard along with the dual exhaust setup. Enhanced airflow - in and out basically. But the engine was the same as the "Bearcat" that saw use in Commanders of that year.
Oh! Wait! There's the Passmaster decals on the valve covers. That's different too![}]
Miscreant adrift in
the BerStuda Triangle!!
1957 Transtar 1/2ton
1960 Larkvertible V8
1958 Provincial wagon
1953 Commander coupe
No deceptive flags to prove I'm patriotic - no biblical BS to impress - just ME and Studebakers - as it should be.
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quote:Originally posted by birdbrain1
Several members of my local Studebaker Club have 55 Speedsters which have located on the valve covers the word "Passmaster". I never paid much attention to that fact. Now that I have one of my own is there anything special about the "Passmaster" engine or was it just a marketing tool?
Gary L.
Wappinger, NY
1959 DeLuxe pickup (restomod)Gary L.
Wappinger, NY
SDC member since 1968
Studebaker enthusiast much longer
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Gary
You would be supprised at how many Speedsters are still around. The Badger Wheels Club in Wi. has at least 7 cars. There are at least 3 in the North Star Chapter. There at least 25 with in a couple hours drive of Minneapolis Mn. I am working on a roster of Speedsters but still a ways to go.
Klif
55 Speedster
42 Champ Coupe55 Speedster/Street Machine
63 Avanti R2
64 Convertible R1
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quote:Originally posted by birdbrain1
Ah, the misuse of the english language. "Several" is two and I'm number three. Thank you to everyone for your answers regarding the engine.
Gary L.
Wappinger, NY
1959 DeLuxe pickup (restomod)Gary L.
Wappinger, NY
SDC member since 1968
Studebaker enthusiast much longer
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quote:When I went to school, several meant more than two, so that would be at least four counting your car.
I realize that you are always looking to make corrections, but if there are two other members with Speedsters then Birdbrain's makes a third, thus meeting your standard for several. Notice that his original post indicated that "Several members of my local Studebaker Club have 55 Speedsters" which could potentially include him in the group. However, if "Several other members..." had been his statement then your observation would be correct.
Guido Salvage - "Where rust is beautiful"
Studebaker horse drawn buggy; 1946 M-16 fire truck; 1948 M-16 grain truck; 1949 2R16A grain truck; 1949 2R17A fire truck; 1950 2R5 pickup; 1952 2R17A grain truck; 1952 Packard 200 4 door; 1955 E-38 grain truck; 1957 3E-40 flatbed; 1961 6E-28 grain truck; 1962 7E-13D 4x4 rack truck; 1962 7E-7 Champ pickup; 1962 GT Hawk 4 speed; 1963 8E-28 flatbed; 1964 Avanti R2 4 speed; 1964 Cruiser and various other "treasures".
Hiding and preserving Studebakers in Richmond, Goochland & Louisa, Va.
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Klif or Klifton1 however you are to be addressed in this forum. So far you are the only person I have seen keeping a list of Speedsters so here are a few numbers for you. 7163493 ; 7170453 ; 7169920 ; 7167177. Now three of these are in a field and one in an open shed. If someone has unlimited funds they might make one car out of them.
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Since 1964 I've owned eight Speedsters. Back in the 60's and 70's everyone knew about the Hawks and Avantis, but the Speedster had slipped from the radar. I would suggest that few people had even seen one, let alone know what they were. Many of the cars that I owned would have been considered parts cars, and I would like to think that I saved them from inevitable destruction.
What's obvious today was not so obvious then, that others felt the same way about these cars as I did. We affectionados were a far flung group, and there was no communication between us. We each lived in our own little world of anonymity. When I would go to a show it was fun to watch the response that the car received. It wasn't until well into the 80's that it began to be recognized by many Studebaker people.
When I restored my car during the 70's the process was a labor of love. Because of some deterioration of many of the models, unique parts, and their scarcity, it was a very time consuming and often expensive proposition. Early on the Speedster defined for me what was special in a collector car. My kinship with the Speedster was instrumental in charting a path for my next 55+ years as a car collector. It's been a great run, I wouldn't have missed it for the world!
Bill
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This is only a minor point, but the Passmaster in the President sedan came stock with a single exhaust.American iron, real old school
With two tone paint, it sure is cool
Its got 8 cylinders and uses them all
With an overdrive that just won't stall
With a 4 barrel carb and dual exhausts
With 4.23 gears it can really get lost
Its got safety belts and I ain't scared
The brakes are good and the tires are fair.
Tried to sell her, but got no taker
I"ll just keep driving my Studebaker
- Likes 1
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There is at least one more thing that is "special" about the Speedster engine. The engine serial number starts with the letter "P" for President, even though it is a 259. In 1956 the 289 was introduced and 289 serial numbers began with the letter "P".
So 1955 is the only year that a "P" serial number on the engine does not designate 289.
I'm not sure about 1964 when they started designating engine serial numbers by the date built.Last edited by RadioRoy; 11-24-2019, 12:24 PM.RadioRoy, specializing in AM/FM conversions with auxiliary inputs for iPod/satellite/CD player. In the old car radio business since 1985.
10G-C1 - 51 Champion starlight coupe
4H-K5 - 53 Commander starliner hardtop
5H-D5 - 54 Commander Conestoga wagon
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Originally posted by greyben View PostThis is only a minor point, but the Passmaster in the President sedan came stock with a single exhaust.Ed Sallia
Dundee, OR
Sol Lucet Omnibus
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What should be mentioned is the '55 259" Passmaster might be the best all-around engine Studebaker ever built. The patterns and tooling were new, so the quality of the blocks were as good as they'd ever be. The 259" is smoother and more durable than the 289" and only slightly less powerful.
The one design problem is it's difficult to get higher compression with the available pistons and heads.
Question - most currently available 1955 specification data bases give 7.0 compression ratio as standard and 8.0 as optional. Most suggest thick/thin head gaskets wouldn't account for a full point of compression on a 259". What have you seen on Production Orders about the 8.0 being chosen and how it was accomplished?
Then, the '60s 259"specifications are usually given as 8.5 compression. My experience is it's difficult to achieve a true 8.5 in a 259" without milling both block and heads and using thin gaskets. What has been your experience?
jack vinesPackardV8
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IIRC, the standard head had a casting number of 535976 giving 7.5 and an optional head of 537555 giving 8.0.Last edited by 64studeavanti; 11-24-2019, 02:56 PM.78 Avanti RQB 2792
64 Avanti R1 R5408
63 Avanti R1 R4551
63 Avanti R1 R2281
62 GT Hawk V15949
56 GH 6032504
56 GH 6032588
55 Speedster 7160047
55 Speedster 7165279
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