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Author: Subject: Mx5 donor for midlana info needed please.
big_wasa

posted on 9/5/15 at 01:15 PM Reply With Quote
Mx5 donor for midlana info needed please.

I am collecting parts for the Midlana. I've just seen an mx5 that is being broken. The owner doesn't have a clue on spec so I need some advice on how to tell the difference for the bits I want.

The main info I need is on the callipers. I want the bigger 1.8 items. I know they are bigger than 1.6 but I don't know by how much

Can any one tell from the reg number ?

So the stuff I can see............

It's a P reg so its a mk1 but it has push in shafts ?
Rear number plate makes it UK spec ?
Engine and diff are gone so that won't help.
It has push in shafts at the diff not bolt on.
Manual steering rack not assisted.
Manual gearbox.
14" wheels.




Any info great fully received.......

[Edited on 9/5/15 by big_wasa]

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coozer

posted on 9/5/15 at 01:41 PM Reply With Quote
Push in shafts were just an update later in mk1 phase.

From what I know the calipers are the same but the carriers are bigger for the bigger discs.

I'm keen to know if I'm right cause I fancy going up to the 10" disc size.

If your not sure on what brakes are but the 89-93 discs are 9.3" diameter and the 94-00 are 10".

Steve

[Edited on 9/5/15 by coozer]





1972 V8 Jago

1980 Z750

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PorkChop

posted on 9/5/15 at 01:56 PM Reply With Quote
Push in shafts came in 1994 IIRC. Very early 1.8s would have bolt on driveshafts.

Front 1.8 brakes are 255mm, 1.6 235mm. Rear 1.8 are 250mm, 1.6 230mm.

The rear calipers are the same, people say that the front calipers are the same, but strictly speaking they're not. They will physically fit, but you would have to swap sides.

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matt_claydon

posted on 9/5/15 at 02:53 PM Reply With Quote
It's a 1.8:

https://www.rac.co.uk/buying-a-car/car-passport/report/buyer/purchase/?BuyerVrm=P189UGJ

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big_wasa

posted on 9/5/15 at 04:44 PM Reply With Quote
I tried that on the Gov website and it came back blank.

Matt you are a star



[Edited on 9/5/15 by big_wasa]

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coozer

posted on 9/5/15 at 06:07 PM Reply With Quote
Have a look on page 51 in the book mate...





1972 V8 Jago

1980 Z750

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big_wasa

posted on 9/5/15 at 07:35 PM Reply With Quote
I already have all four hubs for a mk1 (na) all four hubs for a mk2 (nb) a steering column for each a pair of drive shafts, a mk2 power steering rack and other odds and sods like a diff.

The above motor will be donating the callipers and rack and switch gear next week with a bit of luck.

The lot will be given a refurb like yours.

The mk2 bits will be going when I've had a look at them side by side. Ideal for a Haynes roadster.

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coozer

posted on 9/5/15 at 08:38 PM Reply With Quote
Ive just bought switches and steering lock off ebay BUT they dont fit!

Check this out!

http://locostbuilders.co.uk/forum/5/viewthread.php?tid=197954&page=1?#pid1661657





1972 V8 Jago

1980 Z750

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big_wasa

posted on 16/5/15 at 12:46 PM Reply With Quote
Yey they are the 1.8L so the fronts are indeed 255mm and the rears 250mm. Better than that, they have had some work and came of nicley due to the copper slip and the discs where good too.

He even charged me less than what he quoted last week.

I think I have most of the donor parts needed now.

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coozer

posted on 16/5/15 at 02:27 PM Reply With Quote
Spot on, I'm really struggling to get one of the drive shaftsvoutvof the upright.

One side just slid out no bother, but the other side is stuck fast!





1972 V8 Jago

1980 Z750

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big_wasa

posted on 16/5/15 at 02:52 PM Reply With Quote
I needed to press mine out with a three leg puller but no great pressure was required.

I've heard of the hubs deforming before letting go Hope you get yours sorted.

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CorseChris

posted on 7/9/15 at 10:00 AM Reply With Quote
quote:
Originally posted by big_wasa
I already have all four hubs for a mk1 (na) all four hubs for a mk2 (nb) a steering column for each a pair of drive shafts, a mk2 power steering rack and other odds and sods like a diff.

The above motor will be donating the callipers and rack and switch gear next week with a bit of luck.

The lot will be given a refurb like yours.

The mk2 bits will be going when I've had a look at them side by side. Ideal for a Haynes roadster.


Did you manage to have a good measure between the two types of upright? I'm thinking about using a Mk2 donor (more of them about). Kurt was only concerned that the axle to balljoint distances are the same. Difference in steering arm is easy, as is the different top balljoint.

The Westy SDV seems to be able to accommodate Mk1 or Mk2 parts without too much drama AFAIK.

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big_wasa

posted on 7/9/15 at 01:08 PM Reply With Quote
I am using the mk2's for the back any way. They are said to be wider but I couldn't measure any difference.

Again the fronts where almost identical. Steering arms are a few mm higher but no real problem when you see how far out a locost is. The mk2's had a big in machined lug for use on the abs model.

Steering rack was the same width but has a built on mounting point one side.

My opinion is, crack on with what ever parts you can lay your hands on.

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CorseChris

posted on 7/9/15 at 01:15 PM Reply With Quote
5mm extra width on the Mk2 rear ones apparently - 10mm total.

I read 7.1mm higher on the steering arm and the 'bones were relocate slightly to tweak the geo.

I think you are right - go with what I can find then do some careful measuring before finish-welding it all.

Ideally, I want an ABS sensor to drive the speedo I'm using.

Cheers.

[Edited on 7/9/15 by CorseChris]

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