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I have an L reg Montego which is pretty rough at start up. I adjusted the carb when I got it (the whole car was suffering from poor/no maintenance) and that did some good but I decided to check te ORFCO valve at the weekend and found ... well, I didn't find because a previous owner has taken it off. What is the effect of leaving it off like that?
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It is in theory a good idea but it isn't very reliable hence the usual advice is to remove it. Lever it into the closed position - refit it and then don't wire it back in (tape up the loose wires)
You shouldn't notice that it is missing.
When it sticks partly open the fuelling goes too lean, you re-tune it to compensate but then it doesn't run right at different loads as then it is too rich.www.maestroturbo.org.uk - The Tickford Maestro Turbo Register
www.rover200.org.uk - The Rover 200/400 (R8) Owners Club
www.roverdiesel.co.uk - My Rover Diesel Site -
There is a NOS one currently for sale on Ebay. £59 for the valve and fixings by the look of it.You can see it here http://www.ebay.co.uk/itm/Rover-SD1-...3D232262294912Membership Secretary
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1990 MG Maestro Turbo #436 (To keep me occupied in retirement)
2023 Hyundai Tucson Ultimate Hybrid(Daily run-around)
1974 Austin Allegro Semi-works Rally Car
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