Extraneous Screws in Holes in '38 SS Scuttle

(Rob Reilly) #1

Installing my ID Plate (thanks Ed, now the car feels like it has an identity, it told me so) I noticed some long screws with nuts under there that weren’t holding anything. Plus four smaller round head screws, also not doing anything.
So I removed them.

And there are two little round head ones on the left side as well, also not doing anything except filling holes in the scuttle.


What’s up with that? Am I missing something?
Anybody know?

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(Peter Scott) #2

Hi Rob,

Definitely non-original. I don’t recognise the hole pattern but presumably some accessory item. Radio or radio power supply, windscreen washer, heater, use of an alternative type of wiper motor???

Peter

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(Rob Reilly) #3

Ok thanks Peter, I figured it would be turn out to be something like a radio.
Not heater related, as the Delaney Gallay unit was all located in the center. No evidence of windscreen washers and the wiper motor is still original.

Any guesses on the two holes on the left side? They are #2BA screws and the normal thick nuts and washers that we see in other places on these cars.

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(Peter Scott) #4

The other two are also non-original and I can’t think what they were securing either. If it was on the inside then it would be hidden behind the glove box.

Peter

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(Ed Nantes) #5

Not radio whichw as a Philco on the SS and under the dash Pic attached

2 BA seems to ean it wasn’t put there in USA , possibly a clip for wiring

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(Rob Reilly) #6

Ok thanks. I will mark them on my chart in my notebook as holes to be filled when I get to that point. I have to fix the battery area as well.

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(Rob Reilly) #7

But wait, there’s more!

Curiosity snuck up and trounced me when I wasn’t looking.
I found eight more holes behind the battery plugged by screws. This time it seems to be a more serious effort, as there were rubber washers on them above and below. Various types of screws, cheese head and hex head and seem to be 1/4 BSW thread near as I can determine.



I am beginning to suspect that there was once a different heater here, before the Delaney Gallay, possibly a Smith’s.
But as I recall, the Smith’s heater was not offered in 1938, so if it was a Smith’s, it is likely an after-sale installation that went bad in the 1950s, and so the Delaney Gallay replaced it.

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(Peter Scott) #8

The rubber washers might indicate a desire to reduce noise from a vibrating heater fan or possibly a vibrating radio power supply.

Peter

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(Ed Nantes) #9

I don’t think a heater was offered till more like 1940
The pattern of the 4 hles sort of reminds me of the mounting bolt pattenr of a MK IV heater bracket
Presumably the big holes were forheater hoses which ona MK IV came through fittings on the vertical face
There will be small holes where bi-furcated rivets held the unde r dash insulation up

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(Paul Wigton) #10

Lightening holes…:yum:

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(Rob Reilly) #11

I can believe the rubber washers were for either rain water sealing or vibration isolation.
The larger holes certainly had the hoses with grommets for the Delaney Gallay heater, and presumably could have been for whatever heater may have been previously there.

I decided to remove the battery tray, which was quite obviously not original. I think Peter S pointed that out some months ago.


And I find more holes. And the obvious reason the battery tray was replaced. There is insufficient support under the battery and the vibration of that weight caused the metal to fatigue and tear.
I now have 45 holes to fill, and 3 long tears caused by the weight of the battery.


So it raises a new question. What was there originally?
I saw three strengthening pieces welded underneath, two of which have threaded inserts such as I have seen on door window winding mechanisms. They are 1/4-26 BSF thread.


I ran a tap through them and stuck a couple of bolts in them.

Also what looked like an L brace along the front that was bent over to fit the tray, so I straightened it up.
I’m thinking these threaded inserts were originally for holding down the battery, and the third piece with a larger hole was where the battery ground cable was originally attached.

Does that seem right to you all? Were there L braces on all sides of the battery? The tray I removed, those 3 L braces are riveted to the main panel. Could that have been cut from another donor car?

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(Peter Scott) #12

Mine just has the metal of scuttle with the 1/4" BSF captive nuts in it.
Here’s photo of a restored car (not mine) that has a section set into it but I don’t think there was any additional strengthening originally. My top deck has always seemed fairly solid and secure.

Perhaps mine originally had four small angle pieces like this fairly original car although it didn’t have them when I bought it…

Peter

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(Graham Jordan) #13

Here is my '40 before and after. If you can zoom in enough I attempted to identify any holes I could and filled the others. Many holes were carried right on through to the MkIV

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(Rob Reilly) #14

Thanks, Peter and Graham.
Surfing through my photo files and ssjaguardata, I found a few others with the L angle pieces, notably 30562 and 46030. I’m now confident this is how it was, though there may well be variations between '38, '39 and '40 cars. For example in Peter’s second picture the front piece steps forward where mine is backward.

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(Ed Nantes) #15

LIghtning is attracted to rod s not holes.

Rob On the MK IV the earth starp was bolted direct to the top surface of the firewall… As it turned out maybe not the best place as due to some elctrical issues [ don’t aske about electricity] but it did cause the paint round the bolt to flake. So on the underside we attach another heavy earth cable to the inside endof the bolt and take it down to the chassis, Works, so far.

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(Peter Scott) #16

I totally agree and there’s no problem connecting it directly to engine which is what I chose to do.

Peter

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(Ed Nantes) #17

But I’m a bit sifty and mine looks original :>)

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(Peter Scott) #18

Fair enough. I hate to see modern items in old cars but I don’t care too much about concours.

Peter

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