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Bumblebee 2 featuring LY R26

solid work as always jon (y)

Cheers mate. Bit of prep for Croft on good friday.

Do you do anything special when cleaning up the sliders? Mine a dragging a bit on the Clio and need some love
Might be calipers sticking as the clios are common for it. I use ceratec on the sliders and red rubber grease on the pistons. If pistons are sticking its usually corrosion, if not too bad can be removed with 1500 wet and dry to stop the binding

We like those!

Indeed. The caliper carrier bolts are etorx and i was half expecting them to be mullered by previous bodgers, but actually turned out to be fine and came straight off. Ill take that win!
 
Might be calipers sticking as the clios are common for it. I use ceratec on the sliders and red rubber grease on the pistons. If pistons are sticking its usually corrosion, if not too bad can be removed with 1500 wet and dry to stop the binding
The pistons have been changed out. Ill strip and grease them. Thanks!
 
Updates.

Flushed brake and clutch fluid and fitted the ds1.11 in the front in prep for Croft.

Old fluid was around a year old/3 trackdays. Pedal was still solid but needed doing to save any issues. Stuck probe in to check and confirmed.

Not good
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Usual position.
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Syringed old fluid out of res and filled up to top with fresh Motul rbf600. Used my chinese copy sealey pressure bleeder to flush and it worked great making easy work, no messing about setting up my old easibleed to do the job. Stuck almost a ltr through, old fluid came out looking pretty manky. Clutch fluid looked awful too even though it was bled last time.

Pretty manky.
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R26 has been in regular use last week whilst off work. Hit 140k whilst out and about.

Milestone achieved.
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I had booked Croft for easter Friday and the weather forecast was constantly changing however it said dry ish, so stuck the technomagnesio/ar1's on. Give it a quick snowfoam and rinse as wheels had not been cleaned after spa.

Croft prep done.
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The car needed nothing doing and id been on with other stuff all week, was a case of filling the tank, chuck a few tools in the back and stuck the road wheels in the Kangoo just incase it turned into a wet day. Croft is only 30 mins from me so its no panic.

Come Friday get to Croft and the weather is dry yet cloudy.

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Baguettes lined up.
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Passed noise test at 97db which is pretty loud considering its a modified stock exhaust. Done sightseeing laps then straight out for hot laps. Took it steady for a few laps to get the pickup off the tyres after Spa which caused a bit of vibration on turn in initially due to running rear tyres on front to get max wear, but soon went after 3 laps or so. After that it was full send and the car was flying.

The car was turning in great and the grip was awesome in comparison to last time i ran it here on older tyres. Brakes consistently good each lap and coolant temps staying stable so ended up doing longer sessions up to 30 mins at a time.

After dinner i went out again and heard noise under braking from the back on the first lap..that familiar noise of pads on the metal.

Baguette life.
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Fcuked. Casualty of longer track sessions.
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Id meant to upgrade rear pads but had slipped my mind, and just sent it on new motorfactor rears thinking id get a day out of them. The rear brakes do a lot more than expected on the megane and it caught me out. The disc had suffered a bit but was useable, i carry spare pads just incase so it was a 15min fix and back out.

Apart from that hiccup the meg performed awesome. Great day overall.
 
A few pics from Croft by RBPS.

Lifting a wheel at Hawthorne on drivers rear, full throttle in 3rd gear.
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Give it a post trackday checkup on Sat. Everything ok apart from Brakes..fcuked. Front discs quite badly cracked, with some almost at the edge of the disc so in the bin. Front ds1.11 pads still have another send in them but low ish. Rear discs battle scarred due to metal on metal.20250419_120911.jpg

Ive put stock pads back in the front and checked rears over. Id took quite a bit off the 2nd set of rear pads on the afternoon, if it hadnt rained late on i think i would have also done that set in. Pistons move dead easy, and to mitigate any pad binding in carrier ive binned 1x anti rattle shim so around 1-2mm of clearance/expansion possible. Doesnt appear to make any extra noise when driving so all ok.

Ive got a set of snr rear discs on order and solid brembo hc for the front. Ds2500 rear pads also on order, ill send the ds1.11 fronts again and have another spare set in stock.

Tyres getting low ish. This one has been demoted to drivers rear so it lasts longer.20250419_170134.jpg

Overall, moderately expensive day on the consumables.

With this done i give it a clean. It had metal filings all over the n/s rear wheel, arch and bumper. Korossol soon got rid of that.

Fallout
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On comps/road tyres again.
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Also give the technomagnesio track wheels a good clean, they had not been done properly since before Spa and had metal all over. Came up pretty good without too much effort using Bh Autowheel.

Clean.
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Small list of jobs to do before Anglesey but not too bad.

Thanks for reading!!
 
Ive got a set of snr rear discs on order and solid brembo hc for the front. Ds2500 rear pads also on order, ill send the ds1.11 fronts again and have another spare set in stock.

Tried & tested. It's all you need mate.

Was a great day 👍

Roll on Spa.
 
Updates

Had a couple of hours spare on Sunday morning so fitted the new brakes front and rear.

Brembo HC plain discs/Ferodo Ds1.11 pads up front.
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Snr plain rear discs and Ferodo Ds2500 on the rear. Rear discs not coated so splashed some vht paint on the centres to stop flash rust.
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Interestingly i torqued the rear hub nut to 175nm which is always suggested and bearing still had a bit of play when wheel wiggled 12-6. I looked in the workshop manual to check this and 175nm is for povo spec models and sport lists 220nm. Once id done the nut up to 220nm all play was gone.

Eqt level sport correct torque settings.
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Got my moneys worth out of the old discs.
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Took it for a quick run out to bed the brakes in. In no time pad material was deposited on the disc and brakes were sharp again.

Anthracite wheels hide the dust
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Needs a good clean and oil change and be good to go for Anglesey/CSF.

Thanks for reading!!
 
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