Since this thread isn't related to a BJ8, I hesitate to jump in here; but
for those of you in the BJ8 world (or who want to be), be advised that the
BJ8 Registry can provide a build date very close to actual for any given
car. With more than 49% of the cars built now in the registry, and with
about 4500 of those with BMIHT data, BJ8 build dates can be determined
pretty accurately without resorting to BMIHT.
Just sayin'....
Steve Byers
HBJ8L/36666
BJ8 Registry
AHCA Delegate at Large
Havelock, NC USA
-----Original Message-----
From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Peter
Dzwig
Sent: Tuesday, January 19, 2016 6:23 PM
To: Healey
Cc: i erbs
Subject: Re: [Healeys] BN4LS72623
Ira,
I think that it probably isn't possible to provide an exact date without
knowing the detailed build rates for the individual months *and* the
corresponding chassis/engine numbers. The only place that holds those sort
of details is BMIHT.
According to Clausager 72623 is a mid-production number. It almost certainly
isn't a Longbridge car as the highest known chassis number (according to
him) is 50759.
Here's a stab at the date: the entire second batch of Abingdon cars (the
late-'58/early-'59 batch) ran to some 8806, going by chassis numbers. Yours
would then be 3663 into the run (5143 from the end of production).
On the basis of six months production run, about 1470 cars were produced on
average per month. This would suggest that your car would have bsuggest that
it was built towards the end of November.
BUT you have to take into account ramp-up/ramp-down in production (in
September and March) and also the fact that the plant wouldn't have produced
much over Christmas/New Year; and that in the immediate run-up to Christmas
production would probably have at least slowed. This means that production
profile would have risen between September and November, falling back in
December and then going back to higher levels in January and February before
tailing off in March 59. What we don't know is the actual extent of the
variation in production. On this basis it might appear reasonable to suggest
that your car may have been produced between the last couple of weeks in
November and Christmas'58.
You could cross-guesstimate the month by taking the date of first
registration in the US and subtracting two or three months which would
probably approximate the time between roll-out from the shop to arrival in
the US. The time would vary, of course, depending on where it was delivered
to and at what point the then-current US rules required it to be registered
(e.g. on first arrival in the US, on delivery to the dealer, on sale etc.).
Sorry not to be more helpful,
Peter
On 19/01/2016 21:09, i erbs wrote:
> Trying to figure out approx. when my car was produced without going
> the BHMT route. Not finding it on the Internet
> BN4LS72623 My guess is late 58 as it has been registered as a 59. but
> can someone help narrow it down to a month?
> Ira Erbs
> Portland,OR
> 1959 BN4 100-6
> with BT7 engine and disk brakes.
>
>
.
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