John Hughes
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Everything posted by John Hughes
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I have a 2008 car available which can be had with either a 125 or 140 Sigma engine (the 140 was actually 145 when tweaked by the 2 Steves) and either a Quaife or standard Ford differential . Location St. Helens. Email your phone number if you'd like to discuss, all options would be within your budget
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Paul I will know if I need my MBE lead after tomorrow night
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On a sigma unpluggng the Lambda will not help once the engine is warmed up and the ECU starts to use the Lambda. Fuel consumption will be rubbish as you say. You may have choked your plugs so a new set may be needed. At least you haven't got a cat to knacker
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I would accept the use of the MBE lead / Easimap. Look for a flat lining Lambda output. I've found the best place for a new Lambda is "Just Lambdas" you need a planar sensor, they had a Bosch on special offer or a Walker one which is slightly cheaper but appears good quality. All you need do is crimp or solder your old plug on. null null Sorry unable to add links when using phone Edited by - John Hughes on 24 Aug 2014 18:37:55 Edited by - John Hughes on 24 Aug 2014 18:40:07
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I would be thinking Lambda sensor.
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The fuel is calculated by the tps / engine speed, there are then correction factors applied relating to engine coolant temp, air intake temp, alternator voltage, barometric pressure (map sensor) Lambda under certain conditions. As far as I can tell the map sensor is used in certain Vauxhalls and Volvos They can be got from eBay cheaply but a check with Easimap is useful to confirm they are giving the right output. Edited by - John Hughes on 24 Jul 2014 20:29:48
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The 140 has a lightened flywheel as part of the Caterham package. I don't think the remap will increase the power but it will make the car much nicer to drive - it did with mine and I was fairly happy with it beforehand. As for fuel consumption - it appears to have improved slightly but that also depends on how much I'm enjoying myself.
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When mapped properly by the 2 Steves the the Caterham 140 and 150 engines produce as near as dam it the same power. The map being bespoke to the actual engine improves the driving experience greatly. The only real advantage with "throttle bodies" is an improved induction roar, a Supersport exhaust however goes a long way to mitigate if you stay withe the standard plenum etc. I would only change to throttle bodies if a great deal more work was being carried out on the head and bottom end and would not use the Caterham ones. The AT throttle bodies would be my choice along with a way to enable them to take in cool air and not the hot air from under the bonnet. In terms of £/ho gain the Caterham 125 to 140 conversion (along with a 2 Steves remap) is hard to beat.
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Domus and I were there about 4 weeks ago and as you say they transformed our cars (150 & 140 Sigmas). Both now run more smoothly and much more responsive to the throttle. I also found it more economical even when driven hard in Scotland. Would thoroughly recommend them, even if you feel you 140 supersport runs well I would wager it will be better afterwards. *thumbup*
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Red white and blue on ITV at 21:27
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Twas the LADS posse on route to Gairnshiel Lodge via a night in Melrose and a trip to the Jim Clark museum in Duns in the morning. Sadly not having a pint in pub but a cuppa in the cafe just down the road. Edited by - John Hughes on 12 Jun 2014 22:54:26
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No iacv on a sigma
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LADS on route to Curborough for a nice sunny day of sprint training. 😬 😬
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TPS may need resetting - unplug the ECU main plug TPS may need repositioning - you will need Easimap and the adapter cable to check what throttle site it is picking up on idle
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If it's the seat bolts shorten them flush with the nuts
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That will be Scotblat 2014
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Didn't read your 2nd post I'll get me coat Which Tacho do you have ? I thought I had a similar problem on my Sigma but it was the brake fluid level warning light flicking on and off under hard acceleration, solved with more brake fluid Edited by - John Hughes on 6 May 2014 12:50:48
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Hi ChrisC Do you have or could Malcolm send more info / pics on how the air from the 140 filter is piped to the 150 throttle bodies. I have done some comparison run with my 140 against Domus's 150 and found the air intake temp on mine to be a steady 15C but on the 150 it was 35-40C. Edited by - Edited by - John Hughes on 5 May 2014 17:47:39 Edited by - John Hughes on 5 May 2014 17:48:20
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Difficult to describe in words but the park switch is fitted on the top side of the gearbox on the end of the wiper motor and is where the wires connect into the motor assembly. When the motor is running but should be off try pushing pulling and jiggling the park switch, this may stop the motor. If it does then a zip tie pulling the switch down may work. Good luck
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Will probably be the "park switch" on the motor its self. A new switch (Mini / Land Rover) is about £10-15 on eBay. Sometimes a zip tie around the switch and motor pulls it down so it works again. Probably scuttle off to replace the park switch.
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Probably I know he's been out for lunch :-)
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I will have it please, will email you my phone number
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I would use Misab plates rather than the plastic plates with o rings that can be ingested by the engine. Edited by - John Hughes on 22 Apr 2014 20:20:08
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If it is the silencer that doesn't have the ali guard on it I would be interested. Which parts are included ? John
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Heading towards Prescot on Burrows Lane about 16:00 Wednesday
