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Hi all,
can anyone tell me how the start of the Holden assembly line was organised?
I am assuming that as a batch of vechiles were required that firstly the Broadcast sheet was printed on the date specified thereon, then any special componets were ordered to forfil the construction of these vehicles.
I may be completely wrong about this, I am just trying to apply some logic to what I have found so far!
The main thing I would like to know is, would the Broadcast sheet date match the engine cast date?
Any information on this would be appreciated,
Mike
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Mike
I don't know much about broadcast sheets but I very much doubt the cast date on an engine would match the broadcast sheet, especially for Canadian sourced engines. As far as I am aware, engines were sent to each plant in batches from the Dandenong engine plant, Australian engines already with numbers and Canadian engines stamped at the assembly plant. The assembly plant would use engines as they needed them out of their onsite storage. This sort of explains I think why the engine numbers jump around all over the place on the original service records microfiche.
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what canadian engines are we tlking about here byron???
pete.
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1973 is the subject, so HQ 350ci SBC.
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Hello Mike,
The broadcast sheet was printed once the car was assigned a position on the production line, so all the parts would be organised then he car allocated tot eh line on the day the parts were to arrive at the plant. For example, if today was the day your XU1 was built with 25 othwr GTRs then 26 GTR dashes would arive today, the supplier would have been told weeks iin advanvce how many dashes they would nd to send to the plant on this day.
The order that they made them in would be up to them, so they may have made 100 dashes last week and sent 26 today and another 22 tomorrow.
When you start to consider all the sub assemblies that make up an assembly then add them up to make a car its a time and motion nightmare.
Some cars take extra length to get onto the line due to availability of some parts.
Warren
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Thanks Warren,
Your information is very helpful.
The componnet dates for my car vary from the 27th of June for the head to the 2nd of August for the fine spline diff.
I have three dates for my car, the first is the Broadcast Issue date 27th July 1973 then the car sales date 9th of August then the production date 16th of August, so I am guessing this XU-1 was ordered then paid for on the 9th of August before it had even left the production line,was that normal?
Perhaps the indications that this XU-1 was ordered may also account for why it seems to have been a pre release Bathurst 73 XU-1, there was a dozzen other Bathurst XU-1's in this category too.
Thanks again Mike
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The car would have been paid for on delivery, the sales date, as far as I can tell, is the date the car is confirmed as being sold. As stated some cars take longer to get through due to supply of parts, so in this case the rear axle assemble may have been the problem. This may have been due to the new splines on 73 axles. Being unique at the time may have ent that the factory making them waited till they had enough orders to justify making.
For example they may have made them in batches of 100, as your car was one of the first to be ordered, they may have delayed production until the first batch of axles was made. These would then need to be sent to the final assembly of the whole axle assembly.
As you can see this is getting rather complex. You may find some XU1s made a long time after yours with parts built at the same time as yours.
Warren
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I was recently told that they only made enough axles for all of the 1973 Bathurst cars, and that as they broke especially on race cars, axles had to be pulled from production designated stuff. This probably explains why the last 2 x (I think it was Elizabeth) XU-1's weren't completed until Novembr but were September plated.
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Thanks again guys,
For ages now I had been trying to work out why only aprox 160 Bathurst XU-1's were made when 250 was the requirement for Homologation.
The most logical conclusion that I came up with was that only 250 sets of parts were made, but due to a spare parts requirement this limited the number of XU-1's that could be completed, which matches pretty well with what you have just indicated.
I have also heard of another late 73 that did not have the late manafold parts due to none being available.
There must have been some rule bending!
Now I know this subect has been done to death and I hope I don't start a long thread with this comment.
Mike
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