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 Why are Js numbered but Ps lettered?
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michaelsproule

United Kingdom
58 Posts

Posted - 16/08/2013 :  10:42:46  Show Profile
At a recent show somebody asked me what does the 'P' stand for when talking about the PA. I'm embarrassed not to have the answer so could somebody please enlighten me. Many thanks - Michael
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Nick Feakes

USA
3372 Posts

Posted - 16/08/2013 :  13:05:35  Show Profile
Michael
The "P" is the type, the successor to the "J" type. Within some types there were sub-types or variations of the main type. The letter in and of itself didn't mean anything as far as I know. In the case of the P-type, the PB had a larger engine than the PA (so it could keep up with the competition) as well as other detail changes to make it distinct. The PA started life as the P, when the PB came along the P became the PA (see the previous discussion in this thread).
Nick
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tjackson

Australia
105 Posts

Posted - 02/09/2013 :  22:16:40  Show Profile
Related to this thread is the question as to why the factory allocated the particular blocks of numbers for the J-types ...

J1: J0252 to J0631
J2: J2001 to J3750; J4101 to J4432 (J0251 was the prototype)
J3: J3751 to J3772 (J3773 was finished as a J2 and renumbered)
J4: J4001 to J4009
J5: ??

Why did they start at 3751 for the J3s (is it 3500 plus Abingdon phone no 251) and perhaps also related to this question, the first of the K3s?

The first J3 was completed in time for the 1932 Scottish Motor Show held in November, well before J3001 was used on a J2 in March 1933. Perhaps the factory initially planned for 1750 J2s, 250 J3s and up to 100 J4s, in the end they sold more J2s and had to start again at J4101. It must have been confusing at the time hence the later chassis knuckle stampings (eg J2/4211) possibly to avoid a mix up on the production line. I wonder what chassis number a J5 would have been allocated?!

Could it be that the success of the J2 and the factory running out of J2 numbers contributed to the change to the PA, NA, QA etc. for the new models introduced in 1934?
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pauly45

United Kingdom
435 Posts

Posted - 04/09/2013 :  12:54:37  Show Profile
I was intrigued by no.3 in the 'register listing guidelines' that implies more than one chassis could have been supplied by the factory with the same number.

Could this mean that there is more than one car out there, with the same chassis number?
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