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95 Sprite Rebuild & 16V Conversion


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#586 alchall

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Posted 04 February 2020 - 08:28 PM

Nice work on the front subby, I should have gone down that road, but I was concerned that the engine would sit to low, as my car will be lowered and running on 10" wheels.

Totally agree with you on the hard pipes, was looking at doing that as well, so I will be keeping an eye on what you do, not quite ready to restart my project, as I'm still working on my house extension.

Where are you planning on putting your oil cooler? You should look at Merlinmotorsport website for all your oil cooler bits.

I’m pleased that I’ve taken this route in the end, couldn’t get that nice bonnet bulge that you achieved. I was concerned about how far the engine would need to drop but in the end it’s less than half an inch is all unneeded to get clearance and I don’t intend going for a very very low stance.

I got the oil cooler from Merlin, have had a few bits from there and always been good quality items. It will fit nicely behind the front grill more or less central, oil stat should fit in there somewhere too.

Looking forward to seeing how you get on when you’re back on with it, life keeps getting in the way of my progress too, doesn’t help that I’m working in Germany in the week at the moment.

Edited by alchall, 04 February 2020 - 08:29 PM.


#587 alchall

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Posted 17 February 2020 - 01:33 PM

Just a small update, I've amended the notch in the cross member to give more room for the exhaust headers, this looks good and should provide some good clearance....

 

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I also added a small bracket to hold the plug from the Lambda sensor, the opposite side from the loom has plenty of length to drop down to this position...

 

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And finally fitted a pair of brackets where I would like to fit the oil cooler, I'll drill holes in these when the engine is back in so I can be sure that it fits properly within the space.

 

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I've also been giving some new thought to the bonnet release and thinking about modern cars that have a catch at each side I decided to see what I could find on eBay from a completely different car that could be modified for the purpose of having a catch at each side because I cannot put one in the centre. So I've ordered a used part from a Jaguar XF that looks like it could work and was not expensive and comes complete with cables, catches and the lever for the interior. I shall be having a play with that this coming weekend.



#588 alchall

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Posted 06 April 2020 - 03:28 PM

If there are any positives to our current situation it is that I've found myself with more time to crack on with the mini, there's not a lot else to do with the weekends and I'm home all week so get a bit of time in the evening as well.

 

So I've made some good progress, and more to come over the coming days and weeks should see me pretty well finished with the shell.

 

First up the subframe, this is now complete, I've fully welded in the spacer plates and added a second small plate on the outside for strength, I also added in a strip of 2.5mm steel along the rear where I cut away for the exhaust down pipe.

 

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I used a lot of plug welds and some stitch welds to keep this all together, hopefully this should be plenty strong enough to cope!

 

Engine drops in nicely and I now have good clearance front to back.

 

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You can just see on that photo above as well that I made up some brackets to fit the Jaguar XF bonnet catches, I had to strengthen the front panel a little to stop it all flexing but it's now solid and they work nicely, the cable between left and right is too long but I can shorten it later, I also had to fiddle around with the top hose to prevent the bonnet catch fouling it, but that was easily resolved by simply switching round the 90deg bends as one was longer than the other.

 

On the bonnet itself I had to make up some strikers and their respective mounting points on the bonnet from scratch.

 

First thing is I couldn't mount the catches themselves in exactly the same place on each side, on the left of the car I had to mount it hard up to the inner wing to prevent the fouling issue with the top hose I mentioned already, but on the right I could not do this or the wiring loom would not run nicely inside the top edge of the front panel as I want it to.

 

The upshot of this is that the mounting points on the bonnet are not the same, this took some effort to get right but they seem strong and look OK as long as you don't inspect the inside too closely as there's a bit of messy weld that I couldn't rectify in the small space. They also allow for fore/aft adjustment of the strikers which it turns out was definitely a necessary feature as some fine tuning of this is necessary to make the mechanism work perfectly, the catches on the front panel have plenty of adjustment side to side and slightly up and down too.

 

The strikers themselves took a few attempts, 3 to get them right including shape, size and diameter of the steel bar I used and the final one to get the working model to be a much neater looking finish. Anyway I ultimately got there, they and they are solid enough.

 

The picture below shows mk3 strikers fitted to their mounts...

 

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Next up zinc plating, I dug the kit out which needed a bit of maintenance and some new buckets as some of the containers I was using for acid, alkaline cleaner and passivates were simply too small, I also was able to tidy up the whole wiring up of the anodes so it's now a much better kit than it started out as and actually seems to do a better job as a result....

 

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And the result...

 

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Not 100% perfect but perfectly respectable and you have to be looking very close to see the flaws, the "brushed" effect is intentional, polishing was practically impossible to get perfect and would show imperfections much more clearly. If you back up a bit again at the engine installed picture you'll see this all in place.

 

I also drilled the holes in my mounting points for the oil cooler and test fitted it, it is a good fit, I'll take a small piece of alloy off the area that the starter mounts to just to give a bit of extra clearance and I've since ordered some AN-10 pipes and fittings and a thermostatic sandwich plate take off for the oil filter to feed it, I ordered a couple of incorrect fittings for the type of pipe so am waiting for the replacements to arrive but it looks like it will all fit nicely, albeit with limited options for the way it will all fit.

 

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So next up my problem with the left hand A post and the odd angle the door check runs at, this required some major surgery and replacing what was already perfectly good parts. So Had to take off the A panel, replace the whole of the A post and re-fit with new parts, I took this step by step, offering up the door multiple times as I went and the end result is very pleasing. 

 

The door check now runs correctly, it looks neat and not at all obvious that I had to do this, in fact, it's seamless, and the added bonus is that the door gaps are now even better...

 

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And the finished article, personally I would say that the gaps on this side is now about as good as it is possible to get without a lot more effort that probably is not worth it. See what you think!

 

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On this side all I have left to do is close up the aerial hole (going roof mounted), fit the A panel to wing strengthener and fit a new riv nut in the new A panel for the wheel arch extension.

 

Up front a few small holes to fill that are no longer required and then the only major piece left to complete is refit the rear wing on the right hand side and re-fit the captive nut for the rear subframe. I've fitted the rear subframe (minus the one bolt I cannot fit) and it is still good and I can use that to fit the new captive nut when the time comes. 

 

I decided that while I'm replacing that rear wing again I would also replace the waist rail, it's a bit of a mess on that side as I had to patch it up a lot, interestingly when I offered it up it doesn't quite fit, it's very tight, however, I think this is a good thing as the door gap at waist level on that side actuals is slightly wide preventing the door gaps from looking good, I think I might be able to nudge the B post forward slightly and fix all of this. I know the car had taken a knock on that side in the past, there was a big dent that had been badly patched up and filled that I found when I unpicked it so this could be a result of that.

 

So that's it for now roll on the weekend....

 

 

 



#589 greg_84

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Posted 06 April 2020 - 07:38 PM

Very nice work on the A panel, well done! Where have you found this little oil cooler?



#590 1330RG

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Posted 06 April 2020 - 07:39 PM

Looking good dude! Coming on really well

#591 72hump

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Posted 06 April 2020 - 09:30 PM

Nice progress on your car. Been thinking of adding an oil cooler, looking at placing it in between the front subby and front panel, will have to mock it up first, to see if it will fit.

#592 g111mds

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Posted 06 April 2020 - 10:07 PM

Great work as always! Just about ready to paint?



#593 alchall

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Posted 07 April 2020 - 08:03 AM

Very nice work on the A panel, well done! Where have you found this little oil cooler?

 

Its a Setrab unit from Merlin Motorsports, it's a 10 romp 210mm cooler, but there is an even smaller one with just 7 rows.

 

Looking good dude! Coming on really well

Thanks!

 

Nice progress on your car. Been thinking of adding an oil cooler, looking at placing it in between the front subby and front panel, will have to mock it up first, to see if it will fit.

 

Could be a bit tight there, but there are slimline coolers that may well fit, they're a little more expensive of course.

 

Great work as always! Just about ready to paint?

 

Yeah not far off, just need to find somewhere, probably going to be a delay now due to current situation rather than my progress!



#594 alchall

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Posted 20 April 2020 - 01:29 PM

A little progress update again, firstly a few small items I've progressed...

 

Welded in a captive nut to hold the throttle cable adjuster, this seemed to be a better solution than the simple hole that existed before....

 

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Next up holes for the roof aerial, this is an OEM aerial for an MPI...

 

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I filled some holes that are not required and as I'm not concerned about originality they're better of permanently closed rather than bunged, aerial hole on wing, LHD wiper holes and one hole on the left hand side of the bulkhead I don't need, I'm guessing it's LHD speedo drive cable hole.

 

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Tidied up the inside of the bonnet and sprayed liberally with Electrox, inside the webbing, I also have since made a little tab on the front lip to hit the alarm button when it closes as it was missing it. I also had to shorten the stay slightly at the end as it wouldn't fit into the slot on the inner wing.

 

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Next up a little more complicated piece to hold the bonnet lever, I'm simply using the lever that came with the catches from the Jag, the cable is clearly too long for a mini but I get around that by popping it over on the passenger side. I made up a steel plate that mirrored the back side of the lever which can then be welded under the dash tray and the lever then slots onto it and is secured with a single bolt as would have been the case in the Jag....

 

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I do however need to shorten the other end of the cable between the catches as that is going to flap around, I'll need to find a way of adding a new nipple to the end that is good and strong....

 

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And now I've started some more major surgery to fix errors from my early days, rear wing on the right hand side has had to come off, this is as far as I have got, I've offered it up, done some pushing and shoving and with the door back on the gaps look like they should be better. But before I fix it I need to sort out the captive nut that broke off for the subframe mount, I would have to have opened the side up to get to it anyway, it is still a little fiddly but I should be able to sort it.

 

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#595 Bdshim

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Posted 20 April 2020 - 03:17 PM

looking good nice and neat, and that engine is very nice :gimme:


Edited by Bdshim, 20 April 2020 - 03:18 PM.


#596 alchall

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Posted 19 May 2020 - 09:15 PM

Rear quarter completed....

 

First up the captive nut, I had badly cross threaded it, I can't work out how I managed to get this into such bad shape, it's also an unusual part, not just a nut....

 

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So I got an off cut of steel bar of roughly the same diameter and cut of a piece slightly longer than the "nut", drilled and tapped it then held it in place with a bolt through the trunnion on the subframe to ensure it's correctly positioned....

 

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It wasn't really possible to make it up in the same way or to easily weld it in place against the heal board, so I roughly cut out a piece of 1.5mm steel to weld it in place from the front, a bit messy but it is firmly fixed and will be very much hidden....

 

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And finally then closed up the closing panel and welded it back up, invisible! I was pleased to see that the inside of the sills were in perfect condition while I was in there too!

 

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Back up front I tidied up the front wing, there was a protrusion that annoyed me, so sliced it bashed it and welded it up so it is neater....

 

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Having cut out the rear quarter and the waist rail I found a bit of a mess in the rear bulkhead where the rail came off, so I patched that up....

 

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And fitted the new waist rail, I made a cardboard template of the window hole before I cut out the old panel so I could ensure it all went back together correctly, so this is in the right position...

 

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I didn't take any photo's but I had to patch up the B post a little and slightly reshape it so the new panel fit correctly against the edge of the door., the final result being...

 

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Not quite as perfect as the other side but so much better, I'm happy now with this.

 

One last (really last this time) major surgery is the rear panel, I just could not get the boot lid to fit flush at the bottom corners, I now believe this is because I used the bottom edge repair panel and didn't properly test the boot lid as I went, it seems the recommendation is replace the whole bottom section, it's only a few pounds more expensive, so I had to spend that money again, new panel is here now ready to fit, I've offered up the boot lid and it's perfect so this is definitely going to sort that out and leave me with good gaps for all panels. A job for next weekend.

 

Meanwhile one other thing I had a rethink about was where and how to mount the ECU, I decided it was all a bit tight where I was going to mount it under the glove box so thought I would try making a box to mount it up against the bulkhead.

 

So a made a two part box, the ECU bolts to the bottom half, some air holes in the back for circulation and this also bolts onto the bulkhead but raised out from it to allow for the carpet and the shape of the bulkhead which isn't flat. The top half is shaped to the ECU so it's a slim as possible at the lower half so as not to take up too much leg room in the passenger compartment but with space for air flow. The two parts bolt together with 6 bolts into captive nuts fitted in the bottom half.

 

So here is how it works / looks, bottom half....

 

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Top half...

 

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Bulkhead fittings, made out of thick walled steel tube cut to unequal lengths so the box fits flat, threaded all the way through M8, button head 12mm long M8 bolts on the engine side fix them in place (didn't get photo's of these)....

 

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Bottom half bolted to the car including the ECU, the top bolts double up as ECU fittings and the upper mounting points on the bulkhead...

 

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And the top half fitted, or at least partly, I didn't take a photo of it with all 6 bolts in place, but they do fit perfectly...

 

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I'll be painting this black, or perhaps having it powder coated along with some other bits and bobs, and I will carpet the top half so it should blend in.

 

So that's it for now, rear panel this weekend.



#597 72hump

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Posted 23 May 2020 - 07:47 PM

Nice work as always mate, shame about the captive nut, but better noticing it now, rather than after it was painted.

#598 alchall

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Posted 01 June 2020 - 09:54 AM

This weekend marked a big milestone, the shell is now all but complete and ready to go for paint.

 

The one major job remaining was the rear panel as I could not get the boot to fit correctly, so off it came....

 

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I then took the old bracket for the alarm switch off the original panel, the new one doesn't come with one, and welded it to the new one....

 

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Panel test fitted and adjusted to fit.

 

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Many welds later...

 

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And then after dressing them and giving it a good tidy up and refitting the boot lid I was done, I also bought a different boot seal, this time from Pheonix Trim, and that also helped a lot with getting it to fit snugly, the other was simply too thick and was part of the problem, when I test fitted it with the old seal on the new panel I still couldn't get it perfect, it had an even gap now but protruded a little too far, the new seal solved that.

 

So I wheeled it outside and gave it a thorough clean to get all the swarf and dirt out, I gave it all a good blast with the air hose to clear out water from the box sections.

 

And the result is...

 

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I'm now talking to a couple of body shops locally, hoping to find somebody who can do a very good job and I have found a couple of candidates who seem to fit the bill, it won't be cheap, but after putting all this time and effort into it I would rather not skimp at this point.



#599 g111mds

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Posted 01 June 2020 - 10:47 AM

Stunning job on this. It’ll be great to see some paint on it soon too.

#600 Bdshim

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Posted 01 June 2020 - 02:28 PM

well done looks great






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