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#1
7th January 2009, 02:50 PM
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Hello Renrut, no matter now but your MR2 was a Mk1 anyway was'nt it? Cats did'nt come in till 1992 so you would'nt need one anyway.
I'm not sure that the emissions test is the same as pre1975 for a Q, when I enquiered about them so I knew which way to go on my build the lad in my MOT station said the Q plate test was only visual (mabye that's what pre 75 is?), but the pre 1992 test was easy enough to pass so long as things were in decent order. I'm going to try to get the age related plate from my H reg Sierra donor. 
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#2
7th January 2009, 08:09 PM
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Hey HBR, didnt realise you were on here too! It is indeed no matter now as the MR2 shell has been scrapped and officially deregistered
 However I still have all the hubs and whatnots so I'm still planning to go ahead with the roadsteresque build when I get time but it all hinges on me getting my finger out and not faffing. Currently scratching my head and trying to suss out suspension geometry using the MR2 hubs. Lots of little bits I need to work out on the suspension side of things. Anyone know some good websites or books on suspension construction?  On the plus side my bro has promised me his spare SP-1 engine if it doesnt sell on ebay this week, so once I've got that I can take some accurate measurements 
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#3
7th January 2009, 09:57 PM
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Q plate does not mean visual emission inspection please don’t go round telling new builders this as it is wrong! There are several different tests regardless of q plate or not!!
Class 1 if the engine fitted to the car is pre 1975 then it’s a simple smoke test. Class 2 if your engine is pre august 1992 you need don’t need a cat but your Carbon and hydro carbon emissions will be tested!!! if the engine was built From AUGUST 1975 to AUGUST 1986 then the carbon emissions must be below 4.5 and hydro carbons below 1200ppm with no lambda test if the engine was built From AUGUST 1986 to AUGUST 1992 then the carbon limit is 3.5 and hydro carbons below 1200ppm with no lambda test Class 3 if your engine is post 1992 then it must have a cat fitted and will have a full emissions test carbon, hydro carbon and lambda. Carbon must be below 0.5, Hydro Carbon must be below 200ppm and lambda must be between 0.97-1.03 when you present the car for sva, written documentation proving the engines age must be presented. This either needs to be obtained from the manufacturer of the engine or proven some other way. if you cannot prove the age of the engine it will be tested under the Class 3 post 1992 regulations so be warned!! There is only one other thing to worry about and that’s if you want a brand new current date registration. If you build a brand new car with all new parts including new engine too get a new plate. The engine will be tested on the today’s current euro emissions regulations not the post 1992 regs!! The only way to get round it is to fit a reconditioned engine as you are allowed one major reconditioned part! Meaning you will revert back to the class 1,2,3 regs depending on engine age due to amateur build status relaxations on emissions.
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#4
7th January 2009, 10:04 PM
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another little foot note. now that all mot's are computerised the nice friendly mot computer pulls up what emissions regs the car has to meet so what ever it is at sva will be what it is at mot. :-(
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#5
7th January 2009, 10:05 PM
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Ah well it'll be Class 3 then, as its a 2000 model year engine I believe (won't be before then thats for certain). I'll probably need switchable engine mappings so I can have an emissions friendly map too.
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#6
7th January 2009, 11:03 PM
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Quote:
 Just what my MOT man told me, just shows when it's not run of the mill they can be as confused as anyone!
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#7
8th January 2009, 08:25 AM
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Yeah I did think about making a jig over the xmas break before scrapping it, but came to the conclusion that I'd simply end up with an open top MR2, as everything else falls logically where they are on the MR2
 Does anyone have accurate dimensions for the standard (sierra) hubs? Then I'll know if I can get away with just using the MR2 ones with roadster wishbones. For the record it wasn't Toyota that sorted the suspension on the MR2 mk1, t'was Lotus, hence the Mk1 being the best handling one 
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#10
8th January 2009, 10:03 PM
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Quote:
It won't qualify as an age related plate as I won't have anywhere near the points to retain the donor's age. Don't have the engine, gearbox or chassis so according to the points system I'd get a Q anyway. But thats ok, its not the end of the world.
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