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Posted

There is a 'C' channel in the bottom of my door sill that is supposed to hold a 2ndary seal.
One member sent me the attached image and I have contacted a rubber supplier in an attempt to source the seal, but he wants a small sample piece to match up the hardness, etc.

Can anyone out there oblige or provide an existing source for this seal?

Posted

Quoted from thebrookster
Have you spoken to Bill from rarebits? He has most of the seals AFAIK, although postage may be your biggest problem?


This one's on my 'to-do' list, however I've not been able to obtain a sample to work from. Most cars have lost theirs along with their retaining channels when new sills have been fitted.

Cheers,
Bill.

Posted

I bought all my seals from Bill with the exception of these ones as he's still working on them, so I got these ones from Canley's

As Bill says, due to my sills being replaced I no longer had the retaining channels to fit the seals to
I got the bodyshop to make some retaining channels for me and the seals fit perfectly

If you're not planning on making the retaining channels yourself, be aware, despite being a small item, they're extremely labour intensive

Posted

Although the individual I bought my car from did it no favors, its obvious that it was pampered for most of its life (no rust).  The sill 'C' channels don't have a single bend, crimp or other imperfection.  They look rather silly sitting there when its so obvious that something that should be there, isn't.  Also, I don't think Triumph would have gone through the engineering and expense if these seals didn't have value.

I'll likely buy the weatherstrips from Rimmers (a bit less than Canleys) come Spring, but I would certainly appreciate pictures showing the correct profile and orientation in the 'C' channel.  Neither Rimmers or Canleys images are of much help.

I've emailed Baines - I'll report back to the forum.  Thanks Leigh!

Posted

Quoted from Docman
I've emailed Baines - I'll report back to the forum.  Thanks Leigh!


Baines have an online catalogue showing all of their (theoretically) available profiles at actual size. The problem comes with some of the more obscure profiles, where the tooling exists, but there is no stockholding. In these cases Baines usually require an order for 300 metres to produce a batch to order. Being familiar with the Baines catalogue, I've failed to find anything which approximates images of the original. I've been trying to obtain a section from an original sample to allow proper dimensioning of a replica seal.

With this in mind, the cost of tooling is reasonably low, with other extrusion specialists offering lower minimum order quantities than Baines. If you're looking at getting a batch made as I was, shopping around for a manufacturer would be a good idea,

Cheers,
Bill.

Posted

Bill - therein lies the rub, Baines stocks a large variety of seals, but are unable to tell me which may or may not be suitable without a sample to match the dimensions, profile hardness, etc.  If you know that none of their seals match what I need, I don't know where to turn.

On the US forum, an owner claims that the door seal on his 1967 GT6 is the same as the convertible top seal for a Spitfire (unknown vintage) per attached image.

I've recently suffered a broken leg so I haven't been out to verify, but I believe my 'C' channel is against the outer edge of the top of my sill (horizontal surface) extending slightly up the forward door opening, not the side of the sill (vertical surface) as his 67.  He has a nicely restored car but I wonder if his sills have been replaced or perhaps Triumph changed the 'C' channel and seal location between 1967 and 1972???

Posted

Hi Bill (Rotoflex),

Kyle (Triumph Experience) said the profile you sent me (thanks, by the way, I forgot where that image came from) was the incorrect profile?!?

The weatherstrip on the silver GT6 came from Spitbits, apparently the same as the Mk3 Spitfire winshield header seal.

Baines wanted a sample to match before selling.  I would have thought they might already have catalogued which seal is correct per a given application.

I'm more confused than ever.

Posted

I'm pretty confident that Baines have nothing to match the original profile. That said, there may be something in their catalogue, or the catalogues of other extruders, which may fit the 'C' channel and provide a workable replacement.

If we can get the dimensions of the 'C' channel then at least we can find a profile which fits that. If we do, we then need to see if it provides an effective seal to the door.
I suspect the original seal is a co-extrusion; a relatively rigid base which locates in the channel, with the sealing face made from a softer compound,

Cheers,
Bill.

Posted

Thanks Bill (Rarebits) - I'm sure you are correct in that (at least) the base that resides in the metal channel needs to be a relatively high durometer whereas the seal probably doesn't.
A coextrusion makes sense.

Posted

Quoted from Docman
Hi Bill (Rotoflex),

Kyle (Triumph Experience) said the profile you sent me (thanks, by the way, I forgot where that image came from) was the incorrect profile?!?



Belated happy birthday, Docman!

I promise you, that bit of seal is straight from British Leyland:  I ordered it when I had the car painted back in the late 70s or so & never put it on.  
I took it out of the plastic bag with the BL logo & part number back when to uncurl it, sorry!
I can't look it up now, but maybe the Mk3 seal was different from the earlier cars?



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