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Oct 20, 2018 17:57:18 GMT
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You can prime the box as per normal metal. Galvanised doesn't have any inherent issues with paint. So long as the surface is properly keyed up (judging from the picture it is) you'll be fine.
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1980 Vauxhall Cavalier MK1 1970 Mobyleete 40T custom 1978 Mobylette 50V 1965 Moulton Standard 1979 Raleigh Grifter custom 1980 Raleigh Grifter 1982 Raleigh Grifter BMX custom 1982 Raleigh Bomber 1987 Strida
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820
South East
Posts: 793
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Oct 20, 2018 19:21:06 GMT
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You can prime the box as per normal metal. Galvanised doesn't have any inherent issues with paint. So long as the surface is properly keyed up (judging from the picture it is) you'll be fine. Great thanks for that, I went over it again yesterday so it should be ready to prime now, what is the best colour primer to use for a dark colour? Got the 3 rods and plate to support the manifold almost finished, with them bolted up the whole assembly is solid, no flex at all. 3 rods altogether, one to support in each direction
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Last Edit: Jun 3, 2022 10:36:30 GMT by 820
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Oct 20, 2018 19:58:56 GMT
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Light grey primer would be fine for BRG. I use that for any paintwork i do.
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1980 Vauxhall Cavalier MK1 1970 Mobyleete 40T custom 1978 Mobylette 50V 1965 Moulton Standard 1979 Raleigh Grifter custom 1980 Raleigh Grifter 1982 Raleigh Grifter BMX custom 1982 Raleigh Bomber 1987 Strida
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820
South East
Posts: 793
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Thanks
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820
South East
Posts: 793
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When I removed the turbo I found the oil feed pipe partially clogged with solidified burnt oil, the oil was top quality and new so it must be the heat. After the engine has been working hard and the car stationary I have to leave it running for a few minutes to keep coolant circulating but I can still hear it boiling at the turbo and probably not circulating properly. So I got a small electric water pump from a Mini turbo, the idea is to fit this directly to the turbo coolant return hose powered by an adapted turbo timer, wanted to fit it to the feed but different bore size means it might be a restriction on the feed side The bracket is a mix of cut up BMW Mini bracket cut down and welded to the Rover engine harness bracket It fits neatly on the end of the cylinder head close to the turbo As the new exhaust manifold is much taller than original I have to fit a heat shield to the bonnet. I hadnt noticed over the years it has a small patch of rust that needs fixing and the bonnet catches were corroding. Cleaned these up, was a bit tricky because they are designed not to come apart understandably for safety, but managed to remove the rust, treat and paint them ready to go back on. Next stainless steel parts for the strut brace are ready, hopefully my measurements are correct.
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Last Edit: Jun 3, 2022 10:37:37 GMT by 820
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820
South East
Posts: 793
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Nov 10, 2018 18:29:26 GMT
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Couple more jobs done today, these plain steel bolts secure the second fuel rail, they were just what happened to be to hand at the time and always bugged me being right on top of the engine so replaced them with some nice blue titanium much nicer and 2.2 grams lighter each Kept changing my mind about how to reduce the movement in the engine stabiliser, in the end had a pair of steel discs cut to replace the big flexible rubber bush, the small end I should have left the original bush fitted but to late now, instead found a pair of bump stop off cuts that will fit once cut to length. Discs welded in, I cheated a bit by not using any filler rod just making the weld pool from the two parts, I suspect this is not the ideal technique but the loads should not be on the welds. I tried to avoid the outer edge but could only manage it in a few areas needed a very steady hand and more skill than I have. I cut the centre rod to length before welding but maybe should have done it after, as welding messed the ends up. Lastly cut the bump stops to size, pressed them in and fitted a bar through the centre. Hopefully this will have just enough to reduce engine movement back and forward and still enough flex for the solid bolted end not to be over stressed.
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Last Edit: Jun 3, 2022 10:38:47 GMT by 820
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Nov 10, 2018 19:16:00 GMT
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I love the Titanium weight saving! Top work!
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820
South East
Posts: 793
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Nov 10, 2018 19:22:49 GMT
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I love the Titanium weight saving! Top work! Haha thanks, bloody nalesutol's fault, got me swapping steel for aluminium and titanium.
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820
South East
Posts: 793
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Nov 18, 2018 20:00:51 GMT
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Got a bit done on the N/S strut brace mount today. One part did not look strong enough so reduced the cut-outs size and also added a bit more angle to the top edge for better alignment, new design New part/s on the right arrived yesterday. Stainless steel can be awkward to work with because it is not magnetic, getting the first parts together at the correct angles was a combination of masking tape to hold them roughly in place then a very small tack that could be moved about ready for the next part. Top part with temporary ally bolt to hold it. Thats where I am up to today, now need to weld these bits together and do a little bit of trimming some edges for the next parts. Doing all my TIG welding standing up at the moment and struggling to hold the welding torch steady and move smoothly whilst pressing the pedal so next job in the garage is to build a lower bench I can sit at and support my elbows, hopefully this will help.
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Last Edit: Jun 3, 2022 10:39:48 GMT by 820
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Nov 18, 2018 20:11:31 GMT
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Wow those are some very nice looking speed holes!
Great to meet you at the NEC show too by the way.
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820
South East
Posts: 793
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Nov 18, 2018 20:33:41 GMT
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Thanks Jim, you too, was a pleasure to meet you and have a good look over your SD1.
As they were to be laser cut parts I was able to go elliptical rather than the usual round swaged “speed holes”
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Last Edit: Nov 18, 2018 20:36:27 GMT by 820
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Nov 18, 2018 21:40:20 GMT
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So they are aero speed holes, that's cheating
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It all just looks so "Motorsport".
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820
South East
Posts: 793
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Nov 19, 2018 19:45:00 GMT
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Not the kind of modification you can test, so if I am just adding more weight to the car at least got to make it look like it works. So they are aero speed holes, that's cheating Rumbled, thats right, to control airflow in the engine bay
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Last Edit: Nov 19, 2018 19:45:53 GMT by 820
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Drizz
Part of things
Posts: 337
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Nov 22, 2018 16:14:37 GMT
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Great to catch up on your thread. I still have my original 420 turbo. I love it!
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MGF VVC 160 MG Midget Metro Turbo 200 BRM Range Rover Classic TD5 Discovery Premium 300TDi Defender 90 Rover 420 GSi Sport Turbo Discovery Extreme 300TDi Range Rover P38
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820
South East
Posts: 793
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Nov 26, 2018 10:14:19 GMT
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They are great cars, got to be one of the best factory sleepers of the 90's. Do you have a thread for the car?
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820
South East
Posts: 793
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Nov 26, 2018 10:22:41 GMT
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There are 6 engine mounts on these, so next to get the treatment is the timing belt end. Cut out the rubber centre and side mouldings I could not find bushes big enough to go straight into the cast iron housing so for the closest size it needs a 60mm diameter 2.5mm thick aluminium sleeve. Cut the aluminium sleeve to length and pressed it in with metal glue, cleaned up the edges and a coat of paint. Lastly pressed the bushes into the housing and the centre tube that uses an M12 over the original M10 bolt so slightly larger bolt hole needed on the car when it comes to fitting. This is going to transmit a lot of vibration over the original Could not decide how to build the welding bench but had to switch from the pedal to the torch trigger for the welding because I had to mock up the exhaust system before I could weld it, this meant I had to tack it from under the car, not easy under a car on axle stands with a mask, torch and filler rod and impossible to operate the pedal. Managed to get two big ugly tacks on each part, just enough so it stayed in position to remove from the car to add a few more tacks then refit to double check. Using the torch trigger has made standing at the bench welding a bit easier too, flexy welded Welding these parts was made easier that they are similar thickness unlike the manifold that I really struggled with thin tubing and thick flanges. I am using V-Band connectors to join the main parts, easy to take apart and look tidy, although quite a bit chunkier than I anticipated. That is where it is up to this weekend, slowly getting there.
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Last Edit: Jun 3, 2022 10:41:56 GMT by 820
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Drizz
Part of things
Posts: 337
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Nov 26, 2018 17:29:09 GMT
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MGF VVC 160 MG Midget Metro Turbo 200 BRM Range Rover Classic TD5 Discovery Premium 300TDi Defender 90 Rover 420 GSi Sport Turbo Discovery Extreme 300TDi Range Rover P38
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820
South East
Posts: 793
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Nov 26, 2018 18:11:58 GMT
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Really envy the space you have but at the same time think I would end up with a similar collection and get nothing finished, I struggle enough finding time for one car.
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Drizz
Part of things
Posts: 337
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Nov 27, 2018 18:29:10 GMT
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That is one problem LOL
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MGF VVC 160 MG Midget Metro Turbo 200 BRM Range Rover Classic TD5 Discovery Premium 300TDi Defender 90 Rover 420 GSi Sport Turbo Discovery Extreme 300TDi Range Rover P38
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