Charlie
The geometry is different.
You can see the difference in this photo of the two types of hood frames.
The later model is the one on the left with the thicker bars that fit
directly in into the same holes that are used for the tonneau cover. 3000
Car number 1529 is the cut off point.
This is the link
http://www.healeysix.net/Longbridge%20Top.htm
Derek
On Mon, Jun 6, 2011 at 9:08 PM, Charlie Baldwin <mgcharlie at comcast.net>wrote:
> Does anyone know at what chassis number a change occurred with the top
> frames, going from a smaller cross section tube to larger, heavier
> tubes? There may be a difference in geometry too.
> This would be with the removable frames for a BT7, or maybe BN4.
> A friend had a lighter frame on his 3000 Mk. I and his top would not fit
> on it right, so maybe the geometry is different.
> Thanks
> Charlie
>
> On 6/6/2011 12:27 PM, S and T Miller wrote:
> > Hello all, I am requesting a favor. I bought a late 100-6/ early 3000
> top
> > frame from Carlisle Import swap meet this year with the legs cut off.
> This is
> > the type with the bent legs and tapered bottom section. I want to
> fabricate
> > the legs, but need a close up/ side view picture of this type of top
> frame
> > from the pivot points down. From the picture I should be able to
> calculate
> > the measurements/ bends of the missing legs. So I need a really clear
> > complete (in one picture) straight on shot of the lower half. Would also
> need
> > some part of the rectangle folding pieces in the picture so that I could
> also
> > use that as a "known" measurement.
> > Thanks, Shawn
> >
> > The Millers
> > "British Car Nuts"
> >
> > 1957 Austin Healey 100-6 BN4 35299
> >
> > 1959 Austin Healey 100-6 BN4 77219
> >
> > 1964 MGB 40841
> >
> > 1960 Austin Healey Bugeye Sprite AN5 34351
> >
> > "Always drive them, but remember each drive in an antique car is a test
> > drive."
> > _______________________________________________
> > Healeys at autox.team.net
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>
> [demime 1.01d removed an attachment of type text/x-vcard which had a name
> of mgcharlie.vcf]
> _______________________________________________
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