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A couple of days before heading off for Spa I had the car out and noticed the wideband going off the scale at high RPM/wide open throttle. Panic set in and I thought there was an issue with either the map, fuel system or engine itself! I logged a bit of data and the wideband was bottoming out at...

I remember when you got this Giles..... long time ago!

There has been a massive amount of changes over the past month, with the above being just one. Days have been spent stripping l excess wiring out of the engine and interior looms, then rewrapping everything and generally tidying things up. This saved a good 4-5kg which I could not believe -...

Hitting things... Breaking things...

Been working on this quite a lot recently - not fully completed a lot of the jobs yet but here is a start.. I wanted to change to E36 M3 3.2 rear arms, which use a much larger wheel bearing, to try and resolve the issues previous in this thread. The plan was to keep my subframe (so I stay with...

Yeah, actually related/family Will do anything really - can do them with tyres too but £10er extra to remove+refit/balance per wheel.

Since replacing the shafts (and bearing), then a new nut, which was locked on and marked up, I did Cadwell only to find play in the N/S again. Worth mentioning the O/S is still on the same bearing from the original build nearly 2 years ago, which has never been an issue. N/S is obviously the...

I don't know really.... but its one way to learn :) Got the LSD back on the car today, after filling with oil. Everything seems great, and the ratios are much better. No noises or leaks as of yet - the LSD operation is much sharper too. Once back, I tested the breakaway torque at around...

So I got a set of bearings, went for a decent brand that most seem to go with... Cleaned the outer housings and drove the outer races into place.. Pressed the other half of the bearings onto the LSD unit.. Next was to clean up one of the cases and mating faces.. The first step is...

After getting the final internal LSD bits I got on with putting them together. First on was the 3.46 ring gear, with Loctite 271 on the bolts and torqued to 110lb/ft. The standard 'clutch stack' is made up from a 2.1mm spacer plate, and the 2.0mm friction disk, giving a total of 4.10mm. There...

After removing the M3 differential from the car, I removed the LSD unit from the case. Removed the bearings and ring gear, then the internal assembly. Cleaned up and checked all the internal LSD components.. The friction discs are well worn (1.93mm down from ±2.1mm when new), I don't...

As mentioned above, LSD rebuild is the next job. Been collecting parts over the past few weeks. My current final drive ratio is from a standard E36 M3 - 3.15:1. Luckily with BMWs, a lot of that era (E28, E30, E32, E34, E36) used the same dimension hardware (ring gear and pinion) inside the...

All I can find at a glance is an old post - http://www.cliosport.net/threads/fitting-the-decat-to-manifold-with-no-springs.529839/#post-7042725 Not sure on year but factors usually have a massive book and you will recognise it straight away if they get onto the 406 page

406 2.0 16v we used to get from the factors. Used them for years, and obviously the Mk1 was driven hard all the time, never had an issue

Message me and I might be able to get you a bit of £ off

Are they the wheels on the silver MX5? Saw them at the weekend when we collected that engine, they did look a bit wide!

With the standalone offering a serial data feed in Modbus format, I could quite easily write a small C program and use a tiny microcontroller instead of the Raspberry Pi like I did with the standard ECU. This just logs every piece of data, over 200 channels, (at a much better rate too) to an SD...

Had the cage powder coated black, got it in the car and tidied up various bits. Changed the wheel colour too. Put together a new data logger for the standalone ECU and it was about ready for Cadwell.. The car was brilliant all day without any issues - the LSD is starting to make a bit...

The engine/management setup is still going well and with a few tweaks the cold start and warm idle are now great too. I've not had much time recently with work and being at Le Mans again, but with Cadwell booked I thought it might be time to get some bits sorted... First was another pair of 595...

Yeah, also on the standard 328 system some while ago, the wadding to put inside is cheap enough

If needs be just cut a flap in the silencer, re pack with some cheap stuff and weld shut. Done it before with good results to bring the noise back down

Thats surprising.... is it cracked at the top?

So after getting the standalone fitted and the car running, I arranged to have Chris @ EFI to map it. Changes include no longer running the standard MAF sensor or lambdas. Its now running MAP, with the wideband feeding the ECU. Still on the E46 coilpacks and 250cc injectors. With standalone we...

Kept it stock for doing Anglesey the other month when we were there - started straight after that I think

Think they've only got to do a bit of wiring now, not sure. Been doing it for a while

Every MX5 will be turbo soon, Marks is nearly done lol

After Anglesey, a few people had mentioned seeing a puff of smoke out of the back between gear changes, and the back of the car actually had oil vapor over it towards the end of the day. The crankcase breather was linked back to the inlet elbow, BEFORE the throttle body, like a Clio for example...

Had Anglesey booked for the 19th April, but ran out of time to get the standalone mapped - so I was back on my stock ECU for it. Before the day I replaced the front discs after the DS3000s completely ruined them after Oulton, and fitted a new set of CL5s instead. When changing the pads I saw...

I was supposed to be at Cadwell Park last week, but in the end someone else used my spot. After endless messing about with the map on the stock ECU there are just too many variables it looks at and compensates for, once the adaptions get stored the AFR wanders richer and you are back to square...

Going from your possible cam sensor fault earlier, that would cause hesitation, but it wouldn't cause it to keep cutting out, as the engine would just basically stop using the VANOS properly. On the E36s you can tell when the cam sensor is playing up as the injectors start batch firing (rather...