Middlebridge spare wheel tray

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Middlebridge spare wheel tray

Post by Will Yarrow » Fri Nov 29, 2019 8:54 pm

Hi lovely Middlebridge people, what great cars you all have.
Anyway, having fitted a 2.9i to my GTC I'm now faced with fitting in the spare wheel in some how. I was wondering if one of you nice gentlemen/ladies would be able to post up a picture of your spare wheel tray with and without wheel, from the engine looking forward angle. If these exist in a thread a pointer would be useful as I can't find any.
All the very best
Will



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Middlebridge spare wheel tray

Post by efi_sprintgte » Fri Nov 29, 2019 9:09 pm

http://www.middlebridge-scimitar.co.uk/ ... arge_3.jpg

Mess website has a few pics of cars with spare wheels fitted if that helps.


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Middlebridge spare wheel tray

Post by scimjim » Fri Nov 29, 2019 9:21 pm

My old 2.9i GTC - no mods to fit a spare - tight though and you had to watch the idle bypass valve plug!

I’m not sure that Middlebridge modified the Reliant supplied chassis and wheel tray?
6D109B3C-76C9-45A1-B83E-C631CD388A95.jpeg
6D109B3C-76C9-45A1-B83E-C631CD388A95.jpeg (183.17 KiB) Viewed 358 times


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Middlebridge spare wheel tray

Post by AJL Electronics » Fri Nov 29, 2019 9:22 pm

It will fit, but you may need to turn the Idle Control Valve around. Then jer, jer, jiggle it a bit. Try with the tyre deflated initially.


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Middlebridge spare wheel tray

Post by Will Yarrow » Fri Nov 29, 2019 9:27 pm

Hi JC
Thanks for that, but I've been there and had a nice fast reply from Mick though nothing showing how the tray differs from Reliant, or pics from the engine looking to the front, showing what fiber glass is removed, before I do my usual too little, too little, shite too much trick.



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Middlebridge spare wheel tray

Post by Will Yarrow » Fri Nov 29, 2019 9:51 pm

ScimJim and AJL, ok I'll give it another go tomorrow, but last weekend it was a no go even with a flat tyre, looks like the MB is over to the left (from the front) from the pics.



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Middlebridge spare wheel tray

Post by Will Anderson » Fri Nov 29, 2019 9:58 pm

Does this help?
This is a Mark Wilson modified tray as in MB42.
New Spare Wheel Tray.jpg
New Spare Wheel Tray.jpg (221.45 KiB) Viewed 334 times
Silverstone 096.jpg
Silverstone 096.jpg (247.18 KiB) Viewed 334 times
If not let me know which areas you want photographed and I can do that on MB14 which has an original tray.


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Middlebridge spare wheel tray

Post by scimjim » Fri Nov 29, 2019 9:58 pm

Will Yarrow wrote:
Fri Nov 29, 2019 9:51 pm
ScimJim and AJL, ok I'll give it another go tomorrow, but last weekend it was a no go even with a flat tyre, looks like the MB is over to the left (from the front) from the pics.


Yes, it goes as far left as possible - Middlebridge changed the expansion bottle and moved it rearwards to give a little more room. Didn’t need it on my GTC as the airflow meter filters took a lot less space than the Ford ones.


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Middlebridge spare wheel tray

Post by efi_sprintgte » Fri Nov 29, 2019 10:01 pm

And a flexible screenwash bag iirc?


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Middlebridge spare wheel tray

Post by Will Yarrow » Fri Nov 29, 2019 10:19 pm

Thanks Will, yes that helps, it extends much further over to the left than my one, I'd like a shot from the engine pointing forwards to see what the fiberglass looks like at the front of the engine bay, I'd call it a bulkhead but I don't know the correct term (I'm a biker really, just a midlife crisis Car) and the original MB tray as well if it's no trouble.



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Post by Will Anderson » Fri Nov 29, 2019 11:12 pm

Okay, this is a shot of MB67 which has a standard tray. It soesn't quite show the full shell surrounding the nosecone but I can get that tomorrow in daylight from MB14.
MB67 076.jpg
MB67 076.jpg (203.68 KiB) Viewed 296 times


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Middlebridge spare wheel tray

Post by drcdb15 » Sat Nov 30, 2019 12:17 am

Three main issues with the MB wheel tray ime. First is the cut-away on the underside of the lip at the front top edge as shown in Will's photo above. Second is reversing (if it's not already done, on some cars it seems to have been done years ago but no-one knows why) as shown in my photo here. Note that in ScimJim's photo of his GTC the wiring protrudes to the front of the car. MB61 was like that too, and the wiring always caught in the wheel when moving it, so I reversed the valve and not only does this give more space, it also protects the wiring.
086.JPG
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Third issue is the airbox. As you can see on ScimJim's GTC, there is a fair bit of space around the airbox. On the MBs, the airbox is much larger and almost touches the wheel tray, as shown in Will's picture above. As you have a non-MB set up, it would be useful to see pictures of what you already have, or intend to have, on this side as that obviously impacts wheel removal. As mentioned, MB does have a flexible washer bag as standard, and furthermore it's hidden away in the OS wing so out of the engine bay completely.

On ScimJim's car the air intake is clearly in a fairly unrestricted position. With the standard MB airbox, it seems to me that the standard air intake was obviously fine for the Scorpio layout, but a disaster for the MB. Andy has posted some time ago about a mod to link the Ford airbox with the MB wheel tray, but my view is that the bulk of the air potentially available to the MB airbox comes not through the wheel tray underside (which theoretically 'steals' cooling air from the engine, probably not a good idea in these cars!) but from the underbody void on the NS. So I have cut some extra holes in the airbox to allow an airflow aperture at least as large as the aperture of the inlet boxes and hoses that connect the airbox to the engine. If you don't plan to have an MB airbox this probably won't be an issue, but if you do, then you may want to do something similar.


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Middlebridge spare wheel tray

Post by scimjim » Sat Nov 30, 2019 7:52 am

I thought all MB had the idle bypass valve reversed originally - it was certainly a discussion point when they first appeared on the market. At some point in time, I reversed mine of the GTC too.


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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Middlebridge spare wheel tray

Post by Stevecoulsin » Sat Nov 30, 2019 8:10 am

I too cannot get my spare wheel in or out past the bypass valve unless it is deflated which sort of misses the point of a spare wheel.

What's actually involved in reversing the valve? Mine currently has the wiring leaving at the front and it is this that fouls the spare wheel. Would be nice to not risk breaking the connector plug when removing the spare.


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Post by gtcse8 » Sat Nov 30, 2019 8:27 am

Will Y I still have the rotten MB tray from Will A`s car so I can photo that if you need.

I remade the new one about 20mm lower for Will to help tyre insertion.

The MB plate is a modded Reliant item with crude holes and lugs to make it fit further over to the drivers side so the airbox/filter will fit.
IF your not using the OE Ford airbox/filter then you should not need to alter anything, just as on Jims.

The Idle valve was just as I received it and the spare wheel went in OK.


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