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These arrived yesterday, so I'll get them fitted when I'm done with the wiring, then when I can find the time to go get the front springs the handling should stand a chance of being ok I requested they make them 1" shorter this means I can raise the exhaust and hopefully have less exhaust road contact Meanwhile, the wiring still looks like this More to come
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This won't pick up pace for about a year yet but the supercharged 3.2 project has officially begun. I've bought a 3.2 engine (with forged crank) and conveniently an R30 gearbox Thing is its completely covered in car at the moment Anyway off the garage for more Scimitar wiring. More to come
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I've finally had a good day on the car, its been a while since I've had a good long sesh in the garage, but yesterday I got all the earth's properly attached to the busbar with crimped and soldered ring terminals. The moment of truth arrived as I started the car and attached the laptop to see the inputs on screen. The car started really quickly (not sure if that related really) and the inputs were rock steady, the temp input was the worst and used to jump all over the place by 10 degrees now there is no movement at all, it just stays on one number and clicks up to the next as the engine warms up. BRILLIANT!!!!!!! very happy with that I'll get the car mapped again when its back on the road and have the gas mapped properly too. Next was to change the piddling earth straps for one big sealed 35mm^2 earth strap, I had to take the exhaust manifold off for this which was a bit of a pain, but all went well. And then I got round to fitting the new GAZ rear units. GAZ made them shorter by 1" as requested so the axle is over an inch higher on full droop, this means the exhausts can be raised and will hopefully stop hitting the road when I drive through a dip in the road. I tried adjusting the exhausts but I'm asking too much by just loosening the clamps and re-tightening in a different position so I'll have to cut and shut them next. More to come
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I had a little while in the garage yesterday evening and got the exhausts raised, which involved cutting a small section out, bending the gap shut and welding it up again in SS. The lowest point in now 35mm higher than it was . It look s better too, with the exhaust being just 1cm or two below the lowest part of the chassis now: Very happy with that, hopefully no more horrible scraping noises and sparks out the back. Next is to change the clutch reservoir hose again, (still haven't found anything that stands up to brake fluid, next thing to try nylon with SS over-braid, I'm hopeful with this one. Then fit new front springs, sort the petrol gauge (which seems to be sticking on empty and only occasionally telling the truth), then faff on with the fuel filler cap to try stopping it pressurising the tank, then.... It's ready to be taxed again and sent off for cage making More to come.
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These updates are getting less and less interesting, It used to be I've made new suspension wishbone and my own manifolds, well last night folks, in the hour I had working on the car, I changed the clutch hose... Another job ticked off the list though. Here is the old one, its turned the fluid black and you can see the DOT4 "sweating" through the hose: Now it looks like this: More to come (hopefully more exciting)
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Yesterday was fuel tank day. I had to sort the fuel gauge problem. While I was messing about looking around the fuel tank i noticed a stain that looked as though it had been leaking. It would make sense for a weak point to have been found as the tank had been pressurising. So off came the bumper and the tank. The bumper was easy, there were captive bolts and other things making it easy that I'd forgot I'd done, and light clusters came off with 4 screws and one waterproof multiplug You can see evidence of the tank leak: I pressurised the tank and put soapy water on and found a simgle point leak. Reasonably easy to fix I've heard of connecting it to the exhaust of another car to ensure it doesn't blow up in your face so I gave that a go, it worked (I'm still breathing) but it did put a lot of water into the tank from condensation: Its repaired now, all welded up. Oh and the sender problem was easy, the float has a hole in it and was was full of petrol making it more of a "sink". This meant I'd kept putting petrol in the tank worrying that it was empty, so when I came to empty the tank there was s**t loads in there! I look 10 cans to empty it. There was a right panic moment when all four cans were full and I went to put the plug back in, petrol flowing everywhere, all down my arm and I'm fumbling with freezing hands that don't work properly! Oh yeah I was saying, I robbed the float from the latest Omega and grafted in on to the Scimitar sender: More to come
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Here's is a picture speaking 1000 words. I'm very pleased with today's efforts More to come
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A little update. The car is booked in for cage fitting in mid January, and I've penciled in the idea of a track day at Bedford Autodrome on the 22nd March. I was nervous just considering it. I've had the car 8 years and been doing this latest major project nearly 4 years, the thought of.... well the unthinkable happening is terrifying, but this was always the end goal so here goes I was working through the list last night and got to the point where there was nothing left to do but change the gearbox (something I've been putting off). The current GB works, but is the R28, with an apparent oil leak under hard acceleration and a gear linkage problem. I've got the stronger R30 to fit (I wanted this done in time for the track day) and with a fully working gear linkage. So I studied the new gearbox to try and understand the oil leak problem and its become apparent that it's not a "leak" really. In the Scim the acceleration is rather more rapid than in an Omega and the oil swills to the back of the box, so much so that it poors out of the breather (which is right at the back, see photos). Great design that! Thing is it only happens when the box is more than 45 degrees which must mean the Scim is pulling more than 1G in acceleration in 1st gear!!! I did a few calcs based on the 0-60 being 5.5s or less and it might very well be pulling more than 1G in 1st gear.... cool!!! But annoying for the gearbox "leak" Anyway, here is the fix I've come up with. It saves drilling and getting swarf in the box. It's not ideal but certainly can't make it worse, and it might even work a bit (I'll bee keeping an eye on the oil level) With the breather extended forward so much it can pull 80G and won't poor out. After faffing around with that a bit I only got as far as taking the prop off and gearbox mount, so more to come on the gear box change.
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Perhaps I should add to this and say that the copper pipe will be secured before the gearbox is fitted.
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Onne
Part of things
Posts: 822
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Great work!
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1990 Mercedes W126 300SE 1997 Mercedes W140 S320L
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Dec 22, 2013 21:16:10 GMT
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An update on the project...... I've had a very productive last few days on the car. It got the point where there was little left to do but change the gearbox over for the stronger R30. While I was at it, I took the opportunity to remove the hydraulic handbrake and extend it a little, I also shortened the gearstick and removed any rubber coupling (quickshift you might call it). Refitting the gearbox was a hard task, lying under the car with the thing on my chest, but its all back together and the feel of the gear change is quite rewarding I'm really looking forward to driving it again soon, there have been a good number of improvements since its first 6 months on the road. More to come
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steve900
Part of things
Idle & Shiftless
Posts: 85
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Great feature on this in Practical Performance Car this month - actually the first time I've bought that mag, purely because I recognised the Scimitar from this thread!
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Saab 900 Saab 9000
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Thanks a lot Steve I'm really pleased with it, its a very accurate write up with the exception of the cost It was a fair bit more than £0
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A long overdue update..... I've brought the date forward for the first trackday. It seems its a lot cheaper in Feb rather than March so 22nd of Feb it is at the Bedford Autodrome! Cant' Wait! The last things on the list are the half cage and the seats. I had the car booked in to have a cage made over a week, this would mean leaving it somewhere for a week! Something I've not done in all 8 years of ownership. More importantly as I'd be at work, I wouldn't be part of the decision making process. I rang around and found that TR Lane could fit me in so I went with the car for a Saturday morning. I was able to hang around, and help a bit, and be part of the decisions. Much happier with that. As an added bonus he cut and bent the tubes, and welded the hoop only in, and I'll be doing the rest of the welding and painting Much better! And Much MUCH CHEAPER (all the following for £150). So here is what I had after my visit And the other bits I'm really pleased, there is a bit of a gap either side to accommodate the seat belt but its snug against the roof. There will be two rear stays and one cross bar in the main hoop. The rear stays will be attached using a method he suggested. This starts with a welded in washer in an offcut of the tube. (then I faced it up of the lathe). And they will be bolted to the chassis like this The finished mount will be of this style I also finally got round to fitting a little box in the center for sun glasses and such. That's all for now, lots of welding to do now and hopefully fitting of bucket seats. Talking of which I need some seat runners if anyone has any. More to come
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What happened to the MV6? Off to the great scrapyard in the sky or still kicking around? Might relieve you of some bits depending on condition and colour code...
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Last Edit: Jan 5, 2014 23:20:26 GMT by humbucker
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Great work btw
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Humbucker,
Its still here but I can't imagine there is a lot left that you'd want. The spoiler is nackard, the front splitter is gone, the SS exhaust is gone and the body is covered in rust. The only things of value left are the front exhaust sections with two CATs on each, and the black leather memory seats (whole interior) but the heating elements in the seats are no longer working.
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Jan 10, 2014 18:48:57 GMT
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Its all painted now, stone chip is great for this sort of thing, its really tough and leaves a functional looking finish. I was very surprised when it went back in without any drama, I could even get all the bolts in by hand no ratchet straps needed. More to co
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