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Just need to Chip mine now and stick some steel hoses and that will be it for a while I think. Mods:Magnex exhaust, Devil decat, BMC induction, Sheppard Racing Butterfly Engine power: 1mailto:1177.5hp@106mph"> 77.5hp@106mph / 6807 Wheel power: mailto:148.0hp@106mph"> 148.0hp@106mph / 6807...

At wide open throttle - foot to the floor, the ECU runs in open loop and bases the fueling on static maps built into its memory - this is why a remap is a good thing as they base it on the mods on the car. On idle and driving the ECU runs in closed loop and adjusts fueling based on for example...

Rainham in Essex. Had konis fitted there and they seemed very professional.

If you keep the revs down then it shouldnt wake the neighbours ! It does scare people though that are crossing the road with plenty of time to do so ! Ive had loads of evils from people just because it sounds lound and im not even driving quick. Lots of older people in the village so that...

If you have a pre 2001 172 then chances are that it has one lambda sensor (upstream) and you wont have a problem with cat efficiency lights. Later MK1 172s and all MK2 172s have two lambda sensors. One before (upstream) and one after (downstream) the cat. If you put a decat pipe on a dual...

Would be interesting to compare the cars over the QTR mile from standing start. Anyone got a computer image of their runs. Lets have a show of QTR mile results with car modification details and see what sort of figures we get.

Ben: As you probably know with the std. manifold and throttle body there is not enough material to bore out and increase the diameter for any real gain. No point putting a bigger throttle body on unless the diameter matches manifold. The std. manifold is very good for a factory produced...

Ive had my throttle body modified by the way ! :-)

There has been a fair amount of stuff Ben. I think you were quiet for a few weeks (no internet connection) when some interesting Engine Management stuff, etc was posted !

http://www.dashfixerfiles.com/palmobd2.wmvhttp://www.dashfixerfiles.com/palmobd2.wmv

Ive got a sparco one. You need to drill the turets to fit it though.

Have you got any 172/RS 2000 docs. as well?

Someone on the forum has SuperCharged their 172. Works on a similar idea to a turbo but rather then being driven off the exhaust gas it is driven off the crank/aux. belts. via pulleys and belts. On a 172 you would probably need to ditch the aircon unit to make way for it and on a 172 cup...

You might not like the styling of the MK1 172? and you can pick these up for as little as 7 grand. which is a bargain in my eyes.

THIS TIME. The new SuperScan was developed with the latest technology for the diagnosis of onboard electronics on late model and new vehicles. Through a simple connection between the scan tool and the vehicles diagnostic connector you will see clearly displayed on your PC screen...

http://www.onboarddiagnostics.co.ukhttp://www.onboarddiagnostics.co.uk BRING IT!! The new SuperScan was developed with the latest technology for the diagnosis of onboard electronics on late model and new vehicles. Through a simple connection between the scan tool and the...

Currently I have a Devil Decat pipe that runs straight through from the manifold to the magnex exhaust system. The Devil decat is large bore and the noise the whole car makes is loud. It definately turns heads ! Looks like im going to take the Devil Decat off as want car superchipped and they...

Cheers Jelly this is really valuable information. I reckon the only way now to fool the ECU is to get a gadget that fits inline and sends the same varying signal that the last lambda sends thus CPU thinks everything is OK. I know someone that designs and builds analogue electronic stuff so...

Found a company that do software which runs on a Laptop and allows you to access the onboard diagnostics. Does everything that the Dealer can do. Bet it costs loads though. If not then will get a copy and play ! DATA Connector locations RENAULT Model Location...

So to sum up I reckon there is nothing wrong with my lambda sensors and it is the ECU that thinks the cat is not working. The Clio probably has a fault code memory and based on that it thinks the cat is knackered ! So temporary fix is to clear down the fault code memory - Ive tried...

Cheers mate. Ive been reading up on this since I last post and have found out quite a bit... here goes: The lambda sensors can be damaged by jump starting the car but normally they get damaged when first put in. Normally they dont go wrong. Scoobys made after 2000 have the same problem. If...

My car has two lambda sensors. One goes before the cat and the other goes after the cat. I had a devil decat pipe fitted in August 2002. The Cat Warning light had only ever come on twice and both times were when the car was started from cold and I reved the engine hard at standstill...

Ive got the 172 gaskets. When im next at dealer will compare with 16v ones.

Cheers Chris

This one sheds much light on the RamAir debate. Its not specifically aimed at cars but the same principles apply ! It gives some flesh on bones as to why airboxes seem to give good results - e.g. Viper/BMC/etc...

No Worries Roamer... Just found your Rolling Road Graphs which clearly show Power Engineering. Looks like they are the Daddies !

Roamer was it Power Engineering that did your SuperChip? If not who did you use and where are they based please?

Cheers Wayne, reading now......

Has anyone with a phase 1 172 had it SuperChiped? I know it is possible to physically replace the existing ECU on the phase 1 with another ECU - e.g. Renault Group "N" and the K-Tec one.

Also where have you all had yours done - is it London SuperChips of Wimbledon?