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Jag's 250SWBc build

9 Oct 2016, 5:56pm
Door window weather strips.

I wanted to try and avoid the alloy strips on the door tops, it alway reminds me of "kit car" and I also want to use the alloy strip under the doors mounted on the sill so it will hide the front and rear wing join. Having both strips fitted would just look too much.
There is quite a gap between the door top and the glass, especially at the front. This turned out to be a bit a pig of a job and I had to build the area up 3 times to get both the right curvature on the top and the right angle at the rear to mount the weather strip too.
Not quite finished but nearly there. Just taped some plastic 90 degree angle to the top of the door and then backfilled with GRP paste.

Does look much more "factory" I think the reason for there being such a large gap at the top of the doors is that they were designed for the coupe with the sliding window arrangement. May a point for the MK2!
10 Oct 2016, 7:53am
Regarding lighting. Is there a simple guide to what is required for the Z3? The gov stuff is incomprehensible to me.

At the rear,
Compulsory - Position (/side?), indicator, stop?
Optional - Fog, reversing

What are the positioning requirements?

At the side,
Compulsory - Wing indicators - positioning?

At the front,
Compulsory - Position (/side?) lights, full beam, dipped beam, indicators

Optional - fog lamps

Again, positioning?
10 Oct 2016, 8:23am
The only one I can say for certain is Barber you must have a rear fog light fitted due to the year of manufacture of your car. It must be fitted either on centre or offside of the vehicle. The switch for the fog lights must also illuminate.
10 Oct 2016, 8:24am
The only optional lights from that list are the spot and reversing lights. Reversing a car with no reversing lights at night is horrible, you don't realise how much of a difference they make. Spot lights are optional but do finish off "The Face" of the car.
There are rules (that I can't remember offhand) about the positioning off the rear foglight, however so long as it works I can't see an MOT tester failing it.
10 Oct 2016, 8:29am
Thank you gents. Just window shopping on ebay, the obligatory pre-purchase prep. haha
10 Oct 2016, 8:37am
Only problem with buying in advance is that you can't return them 9 months later if you have a problem or it doesn't work. I ordered some stainless steel headlight rings, they rusted within a month so I returned them for exchange, would have been a problem if they had been ordered a long time ago. I also tend to loose things!
Most things nowadays are a couple of days delivery maximum. The only things I order in advance are LED bulbs, wiring and connecters from China as they are so much cheaper.
10 Oct 2016, 8:43am
I would give the game away if i actually started buying the stuff. My wife has only just come to terms with the fact I want a Z3. "You've just got rid of a car with 200k miles because it was too expensive to repair, why do you want something that old?"

Me: Because I like them

and "BMWs and Mercedes always give you backache"

Me: That was 30 years ago, they changed (well the Z3s are under 20 years old anyway)
10 Oct 2016, 11:03am
Jaguartvr wrote:
Reversing a car with no reversing lights at night is horrible, you don't realise how much of a difference they make.


I have a Morris Minor that predates the requirement and agree 100% with the above.
10 Oct 2016, 11:34am
Boot adjustment advice please

Working my way around the back today (can't face doing another door top yet). The boot is proud on the right hand rear edge, too proud I think to sand down. How to I lower it, the hinge is loose so isn't the problem. On the left hand side the boot lid is low at the front corner, I have put a 5mm shim in-between the hinge and boot lid which has raised it up, don't know why because the hinge is again loose.

At the bottom trailing edge in the centre it is about 8mm proud, again to much to sand off and I don't want to put that much filler on the lower panel where the boot lock is located to build it up.
I thought maybe a slice in the two outer ribs to sharpen the curvature to bring the rear in but the curvature around the edges is pretty good.

Anyone with a cunning plan?
10 Oct 2016, 12:44pm
When I saw how well you had done with the bonnet, then saw the boot, I thought it would be a b*gger, but you can sort it if anyone can.
10 Oct 2016, 6:37pm
Not sure if you have internal or external boot hinges, but can you put shim under the front bolt of the hinge and not the rear to tip the boot lid . Also do you have a gap at the front edge of lid where it meets the body . Can you slot the hole in the hinge to allow the boot lid to slide back ,and if necessary trim the top edge of the lid until the back edge fits nicely
10 Oct 2016, 7:10pm
It has internal boot hinges, they drop all the way down if the boot lid is not attached so they are not pushing the lid up in any way.
I will shim the front hinge as you suggest.
I had fitted a new boot seal and thought that may be the problem but it sits in exactly yje same way with it removed.

At the moment I think the cure may be to cut some slices in the ribs that run along it and introduce some more cure, that way it should bring the top down and tuck the bottom edge in some, which is what it needs.

Trouble is most of the builds have been hardtops, common as muck!
10 Oct 2016, 8:15pm
If you undo the hinge bolts and let the hinges drop away does the lid fit the gap properly . I think I would try slotting the holes in the hinges to allow the boot lid to slide forward until the rear of the lid aligns with the body
10 Oct 2016, 8:18pm
The boot is tight against the body at the top so it cannot be moved further back. The bottom edge however sticks out too far so needs to be brought back, I think it is more a question of curvature that the hinges but will remove the hinges tomorrow and see how it fits.
10 Oct 2016, 8:57pm
Sounds like you have a cunning plan!
By the way, do you have any tips ref door tops/window frames?
11 Oct 2016, 8:04am
Mine is the much more desirable convertible so it doesn't have a window frame!
However the same principle should work. I cut a strip of garden rubbish bin loader, about 3" wide, I also have a length of plastic "L" shape, about 1cm on each edge.Place the L against the window and then push the thin flexible plastic under it pushing firmly against the window, using duct tape stick the plastic down and the the L to the plastic. I cut a small section out to allow for the front window upright. When all stuck together take the skin off and I placed it upside down on a table leant against a wall (this is all precision work). Now the the plastic is on the table with the weight of the door skin pressing down it forms the correct curve. I placed a piece of timber against the L to stop the door sliding. Then back fill with GRP paste, let it dry and the plastic will peel away, GRP does not stick to it.
If you are not using a door rubber on the sliding window I would pack the L out slightly from the edge of the plastic sheet, that way with a little sanding you should be able to get the gap closed completely. Then its just a matter of sanding down.
When I do the other door I will post some more detailed photos.

The plastic bin loader is very useful. I took a mould of something and used the plastic to make the upright shuts so the mould could be split. I cut it to roughly the contour then placed it upright then ran a felt tip along the panel horizontally to marl the cantor on the shape. Cut it out and it was a very close fit. Held it in place with duct tape and some wooden blocks. When the moulded section had dried I just removed the tape and plastic, put mould release on the newly formed flanged and glassed the next section directly to it. Worked a treat.

Link to bag loader plastic

http://www.ebay.co.uk/itm/Easy-Fill-Bag-Loader-Polypropylene-Black-Bin-Insert-/282077047958?hash=item41ad1a2c96:g:1RoAAOxywXFSb7-B
12 Oct 2016, 12:11am
Thanks for the info. I'm not sure I understand them 100%, but can see the value of the polypropylene bin loader material and the L section plastic. I'm sure I can work it out!
Meanwhile I think my time working in a marquee is coming to an end due to the clocks changing, and the onset of winter... My plan is to store my car in a friend's garage until spring. Unfortunately management has found me some winter jobs to do in the house - so needs must etc!
12 Oct 2016, 9:04am
Mikewade wrote:

Meanwhile I think my time working in a marquee


For a moment there I thought you were a trapeze artist :icon_lol:
12 Oct 2016, 4:55pm
Boot Lid Adjustmet

Boot lid doesn't fit too well, O/S front corner sits proud, N/S front cornet sits low and the back edge sits about 8mm too far back sticking out over the rear. The low side can be overcome by packing under the hinge, I did try packing part of the proud side as suggested but it didn't help.
I decided to try and curve the boot lid some more, that should in theory lower the front and pull the back in.
I sliced the two side ribs underneath, tensioned them with a pair of ratchet steps and held it in place with builders band. The two rear corners sat further in and looked much better but the centre still needed pulling in. The proud corner also sat much better. I then cut a slice through the numberplate housing, it's shape was stopping the panel from bending. I then fixed the slices with some GRP tape.

The boot lid sat much better but was still a little too proud in the centre at the back.
To get the back to sit further back I put a hydraulic ram in the boot and pushed it out a little, cut some slices and grp taped them.
The boot lid now sits a lot better, a bit of sanding and packing should get it to an acceptable fit.
17 Oct 2016, 9:54am
Bubbles in the GRP

I'm glad to say are almost non existent. It has just been baked in an oven and we got two tiny bubbles, along with the one bubble I found previously on the front wing makes 3 in total.
22 Oct 2016, 5:07pm
Central locking

Bugger, bugger dam and bugger.

Remote central locking stopped working while it was locked. I had put an emergency cable in just in case this happened but although I had tried the cable, this time it wouldn't release.
I tried hooking a string around the inner door handle but it just wouldn't open so in the end had to open the zip on the rear window. I got my daughter to climb in but with her pulling the door handle and pulling up the lock button at the same time we still couldn't open the car. In the end the ignition had to be switched on and the door opener pulled before it would open. I don't think my emergency cable was faulty but I think it needed the ignition on before it would allow the locks to open.

I think the answer is to wire the door window to a switch in the boot that will allow you to open the window directly from the battery. Typically I have misplaced my Haynes manual with the wiring diagram.

In opening the zipped rear window the half of the zip that was attached to the hood has started pulling away so I will have to try and sow that up before I can refit the window.

The remote locking on these cars seems to be a bit of a problem, you need to have a backup plan as you can't get to the original door locks.
31 Oct 2016, 1:02pm
Badges

I'm not keen on cars that are dripping in Ferrari badges, but each to their own. I was looking for something that gives a nod to Ferrari but at the same time not trying to make it something that it is not.
I bought a genuine Ferrari "California" glove box badge but it was too small to really use on the bodywork so i have had some larger ones cut (Thanks Paul).

The top badge is the original glove box badge, the second one is how they come to me and the last 2 are after I have polished them on my buff and ultrasonically cleaned them. The polishing is very time consuming.



This is them on the boot to give you an idea of the size. I had a few made, by the time I have bought a couple buffing wheels and polishing sticks to finish the badges they will be around £40 if anyone is interested.
Not sure yet how to fix them as they are just flat on the back. I'm thinking of putting them in the oven to get them hot and then using glue from a hot glue gun, by pre heating them the glue should stay molten enough to allow you to coat the back and fit them into place. Not sure if this will work, you would have to devise you own way of fixing them, that way you can't complain to me if they drop off!
31 Oct 2016, 1:30pm
3M do a refix tape - its designed to reattach badges and trim after body repair
31 Oct 2016, 4:33pm
Thanks for that, it will probably take a bit of time and effort to trim the tape with a scalpel.
Don't forget, if your badge falls off, it's Roadsters fault!!!
31 Oct 2016, 4:43pm
I'd go for clear polyurethane (like sikaflex) to fix it.