Seth
South East
MorrisOxford TriumphMirald HillmanMinx BorgwardIsabellaCombi
Posts: 15,538
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Something Blownimp said has got me thinking about metro turbos and associated parts. What would be involved in installing this kind of set-up in a different but SU carbed, Lucas dizzy equipped engine of approx 1500cc? Presumably the metro carb is a common 1 3/4 (?) SU based unit so would it bolt on to a suitable manifold. How is the fueling arranged? Would the dizzy need changing too or how would you set up an ignition system? Could the standard one work? Does the metro have some sort of electronic fuel/ignition system? Sorry, a lot of questions I know but their all swimming around in my head!
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Follow your dreams or you might as well be a vegetable.
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It should just be a case of fabbing the carb to your fanimold, the turbo to the carb and the turbo to the exhaust fanimold.
...As far as I know :/
*n
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Top grammar tips! Bought = purchased. Brought = relocated Lose = misplace/opposite of win. Loose = your mum
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Mr K
Posted a lot
Posts: 2,993
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its the 1 3/4 SU HIF44 (?) but not all are boost proof! so get hte wrong one nad it will just waz out petrol. you will then need a high pressure fuel pump, and a boost controled fuel pressure regulator.
as penski says, if the turbo bolts upto your exhaust, the carb to your manifold, and the disi drops into your hole (ooo arr) then your laughing.
the problem is its a near little setup, with plumbing to suit non crossflow engines and has therefore been snatched up for silly money.
some sketchy probably incorrect advice, but its a start...
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Correctomundo, HIF44 but it must be the sealed version otherwise fuel will pissout allover the place. If in doubt standard metro needle is marked BDD. Fueling is as normal only fed at high pressure via standard injection stylee pump through a boost controlled pressure regulater straight to the carb. Dependant on how much boost to run you may not need to change the dizzy simply retard the static timing a little although the advance curve will not be suited you could rebuild your dizzy with metro turbo parts (vacume(?) unit, bob weights etc) or straight swop dependant on what dizzy you have now. Knowing lucas they are prob all the same anyway and you could swap internals! if you stick a pic up i can compare to mine. A mentiioned its a pretty simple but effective setup and although SU's arn't glamorous they work pretty well and parts are plentiful. Rebuild kit for a turbo version is about £35 and thats everything except the body.
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Snoozin
Posted a lot
Toyophile
Posts: 1,557
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I know of more than a few guys who have adapted the Metro turbo carbs to Toyota K series engines, with various levels of success.... mostly good however, some playing with relatively high boost levels as well.
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I have all the parts to make up a metro turbo inlet system, carb manifold, regulator, no pump though. The carb was rebuilt before it went on the turbo imp, so has done very few miles The inlet can be adapetd to you inlet manifold (assuming single inlet), the exhaust can be achieved in many ways, cheapest is to make up a small adaprot tube between the stock manifold and the turbocharger. The T3 metro turbo will work jolly well on your engine, as its a bit big for the metro engine. Saying that its all heresay, as garys metro goes really well with very little lag really. J
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Snoozin
Posted a lot
Toyophile
Posts: 1,557
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Anyone know the specs of a Metro turbo unit by chance... I didn't know they used a T3 housing, that's quite large for a 1300!
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You can convert a normal hiff44 to use on a turbo, there is a guide somewhere on www.turbominis.co.uk I will try and find it for you.
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Seth
South East
MorrisOxford TriumphMirald HillmanMinx BorgwardIsabellaCombi
Posts: 15,538
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Thanks for all the input guys. Just been thinking about a possible winter project for the Herald as I don't think I've ever seen or heard of a turbocharged one and it might be fun (I have seen Shorrock blown ones $$$$$) The current carb is a single 1 1/2" on a Toleldo manifold but the manifold has a sqaure flange that can take an 1 3/4. Current dizzy is Lucas 45D4. I wouldn't be after monster power, just a mild boost that's not going to break anything (at least to start with anyway ) It currently puts out about 70hp so I figure 85-90 would be easy to acheive without much work as I think that's a similar increase the Metro Turbo got over the standard car. Blownimp, I was hoping you might spot the thread as I must of known you had bits at the back of my mind Any chance you could PM me with some more details of what you've got?
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Follow your dreams or you might as well be a vegetable.
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What about early Renault 5 GT Turbo? I thnk they were carbed but at 1400cc that's a closer match to your 1500.
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Mr K
Posted a lot
Posts: 2,993
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sounds like a easy conversion then seth, just drill two more holes and work the manifold abit, the metro runs a 45D4 too (i think - most A-series do) so surly that would simply things. Hop to it man. whum-tush.
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Seth
South East
MorrisOxford TriumphMirald HillmanMinx BorgwardIsabellaCombi
Posts: 15,538
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Hmmmm, Been doiong a little research and swapped some messages with Blownimp (cheers J!) and am feeling that this would be a pretty acheivable project for not a huge outlay. Katie noticed this thread yesterday, turned to me and said "You're thinking of tubocharging MY car!". I wasn;t sure she was going to appreciate it but the comment was followed by an evil smile and some giggling! ;D It helps that we have a spare engine should it all go wrong... Only thing that might make this awkward is the steering shaft which runs past the exhaust manifold. I expect that I will have to junk the engine side valance (or at least alter it substantially) to get things in there. I'll have to get hold of a turbo and see where it might fit. The wheel is on almost full lock in the second pic so there would be quite a bit of room to play with. Hmmm, just need the parts to play with......
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Follow your dreams or you might as well be a vegetable.
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