Yiannis' Albi Blue R27 - Toning down...
- Thread starter Yiannis197
- Start date
Yiannis197
Paid Member
Quite some time since I updated this, not much done this period apart from some bits and pieces.
Megane rearview mirror fitted, yet to be wired though. It wasn't a simple job tbh because the boss of the new mirror was not compatible to the base of the old one which made me look for the relative part. However I stood quite lucky because the guys from autoglass managed to dig out an old one from the skip outside their workshop which used to live in a Peugeot. Fully compatible so boom, on it went
Another problem was that my car - not being equipped with the mirror with the surrounding trim - didn't have that section blacked off and as a result you could see the inside of the mirror's surrounding trim if you stood from the outside. Not good so off I went to a window tinting shop to have the aforementioned section tinted. Another tenner spent there which i hadn't foreseen...
Moreover, it was time to fit the 197 exhaust tips I got from @gaz on my Akrapovic, achieving the original looks. Pretty happy with the outcome even though that wasn't plug and play either. The akrapovic ends being designed for the 200 diffuser are further down than the 197 ones so we somehow had to tilt the tips otherwise it'd look poo. No chance bending them so we tried something different.
Untitled by YiannisR27, on Flickr
And obviously we welded it after achieving the right angle.
And here is how it looks;
DSC05767_resize by YiannisR27, on Flickr
DSC05771_resize by YiannisR27, on Flickr
DSC05768_resize by YiannisR27, on Flickr
DSC05772_resize by YiannisR27, on Flickr
DSC05769_resize by YiannisR27, on Flickr
And some pics of the mirror
DSC05756_resize by YiannisR27, on Flickr
DSC05760_resize by YiannisR27, on Flickr
DSC05761_resize by YiannisR27, on Flickr
DSC05762_resize by YiannisR27, on Flickr
DSC05764_resize by YiannisR27, on Flickr
DSC05765_resize by YiannisR27, on Flickr
On a different note, another project is on the go, something that hasn't ever been done on our cars (as far as I know anyway) but pics after it finishes
Megane rearview mirror fitted, yet to be wired though. It wasn't a simple job tbh because the boss of the new mirror was not compatible to the base of the old one which made me look for the relative part. However I stood quite lucky because the guys from autoglass managed to dig out an old one from the skip outside their workshop which used to live in a Peugeot. Fully compatible so boom, on it went
Another problem was that my car - not being equipped with the mirror with the surrounding trim - didn't have that section blacked off and as a result you could see the inside of the mirror's surrounding trim if you stood from the outside. Not good so off I went to a window tinting shop to have the aforementioned section tinted. Another tenner spent there which i hadn't foreseen...
Moreover, it was time to fit the 197 exhaust tips I got from @gaz on my Akrapovic, achieving the original looks. Pretty happy with the outcome even though that wasn't plug and play either. The akrapovic ends being designed for the 200 diffuser are further down than the 197 ones so we somehow had to tilt the tips otherwise it'd look poo. No chance bending them so we tried something different.
Untitled by YiannisR27, on FlickrAnd obviously we welded it after achieving the right angle.
And here is how it looks;
DSC05767_resize by YiannisR27, on FlickrDSC05771_resize by YiannisR27, on FlickrDSC05768_resize by YiannisR27, on FlickrDSC05772_resize by YiannisR27, on FlickrDSC05769_resize by YiannisR27, on FlickrAnd some pics of the mirror
DSC05756_resize by YiannisR27, on FlickrDSC05760_resize by YiannisR27, on FlickrDSC05761_resize by YiannisR27, on FlickrDSC05762_resize by YiannisR27, on FlickrDSC05764_resize by YiannisR27, on FlickrDSC05765_resize by YiannisR27, on FlickrOn a different note, another project is on the go, something that hasn't ever been done on our cars (as far as I know anyway) but pics after it finishes
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Excellent! I've been regretting selling this exhaust over the last few weeks
did you have to cut any off the back box tips??
did you have to cut any off the back box tips??
Yiannis197
Paid Member
Yes mate I chopped the Akra tips, about 8-10cm more or less. It looks absolutely spot on IMO and something I wanted to do for a long time.
And yes I'm sure you miss your Akra!
And yes I'm sure you miss your Akra!
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Perfect. I hated the 200 diffuser on mine
Im 90% sure I'm going to get another. I'm twitching over "buy it now" as we speak ..........
Buy these tips (again) and do what you've done
Yiannis197
Paid Member
Yiannis197
Paid Member
ok this project has been going on for quite some time, this is a prototype and the fact that the operations take place in Greece didn't help to speed things up, not that it's something urgent anyway.
The story started from the Greek forum where I met a machinist who really knows his stuff. And I mean really does. He is on late 50s early 60s, his knowledge and skills are second to none, used to design and built huge machinery for industry (automation purposes) but the financial crisis and his huge love for cars ''forced'' him to focus purely in tuning and motorsport. The guy is an open encyclopedia in regards to anything that is work related and his knowledge on automotive is simply vast. He is driving a Renault 21 quadra
After seeing his work I approached and asked him what he thinks about making a rear 2 piece brake disc setup for our cars. He suggested to send him a disc to examine and see how we can achieve this. Off I went for a hunt for a used set of brake discs and I was extremely lucky because Rob had a set of brand new ones but with damaged spigot rings which didn't need (courier had damaged them). So much win there so I purchased them and sent them to Greece for the guy to have a look at. He was initially worried about the ABS rings and whether he could remove the rings without damaging them but after receiving them he removed them in 2 minutes without problems at all.
Here are the discs I got from Rob
After that it was designing time and figuring out the best plan. Here is the plot
PICT4946 by YiannisR27, on Flickr
So what he had to do it cut the rotor from the bell and clean it, that rotor - and given that it was brand new - would be then used for the new 2 piece ones. He never uses old rotors for his brakes because he doesn't know what kind of stress the parts on question are exposed to and because we talk about brakes and safety he doesn't cut any corners neither tries to do anything cheap.
The other problem is the bearing and the fact that you can not remove it from the bell without damaging it. So the plan was to start machining the old bell (eating it alive basically) to free up the disclosed bearing, then buy a solid piece of motorsport grade aluminium and make it an exact copy of the original one which then the rotor would be attached on to.
Here is the original brake disc in pieces.
PICT4956 by YiannisR27, on Flickr
It's in Greek but what Panagiotis is basically saying is that the original bell which will go straight to the bin weighs 4.674 kg, the bearing with the lock pin 668 gr and the rotor 3.782 without that having been cleaned completely. The brake disc weigh 9.3 as received, brand new.
Here is the cleaned rotor, 3.4kg from 3.782.
PICT4957 by YiannisR27, on Flickr
And here is the aluminium piece which is ready to be machined.
PICT4975 by YiannisR27, on Flickr
PICT4976 by YiannisR27, on Flickr
It's taking its shape
PICT4978 by YiannisR27, on Flickr
PICT4979 by YiannisR27, on Flickr
For safety purposes and durability Panagiotis also designed and built steel inserts to go inside the bell where the wheel bolts are going. He believes that even though the aluminium used is of motorsport grade, it is still aluminium and not as solid as steel, steel can withstand the abuse of the wheel/tyre shops so steel it is M20 x 2.5 are the inserts with the inside thread to be M14 x 1.5 (obviously)
PICT4987 by YiannisR27, on Flickr
And here is the bell finished, 2.522 Kg without the bearing
PICT4992 by YiannisR27, on Flickr
Finished product
PICT4995 by YiannisR27, on Flickr
As you can see the difference in weight is immense and the attention to detail is superb, the rear suspension is going to love me for this! I'm in two minds whether I should have the bells painted black so as to match my front PF ones but they look so good as they are and I really don't know. The rotor is going to be grooved with a pattern identical to the fronts.
Can't wait to have them fitted and get rid of the old, heavy, rusty OEM ones!!
The story started from the Greek forum where I met a machinist who really knows his stuff. And I mean really does. He is on late 50s early 60s, his knowledge and skills are second to none, used to design and built huge machinery for industry (automation purposes) but the financial crisis and his huge love for cars ''forced'' him to focus purely in tuning and motorsport. The guy is an open encyclopedia in regards to anything that is work related and his knowledge on automotive is simply vast. He is driving a Renault 21 quadra
After seeing his work I approached and asked him what he thinks about making a rear 2 piece brake disc setup for our cars. He suggested to send him a disc to examine and see how we can achieve this. Off I went for a hunt for a used set of brake discs and I was extremely lucky because Rob had a set of brand new ones but with damaged spigot rings which didn't need (courier had damaged them). So much win there so I purchased them and sent them to Greece for the guy to have a look at. He was initially worried about the ABS rings and whether he could remove the rings without damaging them but after receiving them he removed them in 2 minutes without problems at all.
Here are the discs I got from Rob
After that it was designing time and figuring out the best plan. Here is the plot
PICT4946 by YiannisR27, on FlickrSo what he had to do it cut the rotor from the bell and clean it, that rotor - and given that it was brand new - would be then used for the new 2 piece ones. He never uses old rotors for his brakes because he doesn't know what kind of stress the parts on question are exposed to and because we talk about brakes and safety he doesn't cut any corners neither tries to do anything cheap.
The other problem is the bearing and the fact that you can not remove it from the bell without damaging it. So the plan was to start machining the old bell (eating it alive basically) to free up the disclosed bearing, then buy a solid piece of motorsport grade aluminium and make it an exact copy of the original one which then the rotor would be attached on to.
Here is the original brake disc in pieces.
PICT4956 by YiannisR27, on FlickrIt's in Greek but what Panagiotis is basically saying is that the original bell which will go straight to the bin weighs 4.674 kg, the bearing with the lock pin 668 gr and the rotor 3.782 without that having been cleaned completely. The brake disc weigh 9.3 as received, brand new.
Here is the cleaned rotor, 3.4kg from 3.782.
PICT4957 by YiannisR27, on FlickrAnd here is the aluminium piece which is ready to be machined.
PICT4975 by YiannisR27, on FlickrPICT4976 by YiannisR27, on FlickrIt's taking its shape
PICT4978 by YiannisR27, on FlickrPICT4979 by YiannisR27, on FlickrFor safety purposes and durability Panagiotis also designed and built steel inserts to go inside the bell where the wheel bolts are going. He believes that even though the aluminium used is of motorsport grade, it is still aluminium and not as solid as steel, steel can withstand the abuse of the wheel/tyre shops so steel it is
M20 x 2.5 are the inserts with the inside thread to be M14 x 1.5 (obviously)PICT4987 by YiannisR27, on FlickrAnd here is the bell finished, 2.522 Kg without the bearing
PICT4992 by YiannisR27, on FlickrFinished product
PICT4995 by YiannisR27, on FlickrAs you can see the difference in weight is immense and the attention to detail is superb, the rear suspension is going to love me for this! I'm in two minds whether I should have the bells painted black so as to match my front PF ones but they look so good as they are and I really don't know. The rotor is going to be grooved with a pattern identical to the fronts.
Can't wait to have them fitted and get rid of the old, heavy, rusty OEM ones!!
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Yiannis197
Paid Member
Yiannis' Albi Blue R27. Project; 2 piece discs for the rear
@Fernandez lol I'll speak numbers with the guy and I'll get back to you, I can't see it being a competitive product pricing wise though having to source the aluminium, bearings, rotors, rings + labour on top.
@Rogue it's about tackling the unsprung weight mate, 3kg+ less per corner makes a big difference to how the suspension works, not so much on a smooth track but on a bumpy b-road it will make a big difference. On top of that I won't have to buy the whole disc next time needed, I'll only replace the rotor. Also it looks the business! If the bearing goes (big if, bear in mind the rear discs have never been replaced on my car) I'll just replace it. My guy can source an identical part for about 80 euros.
@dajones cheers mate, I did think of that tbh and therefore dropping the weight even more, however all the aluminium brembo calipers do not feature handbrake, unless there is a caliper that does? I would be interested in something like this for a future upgrade
@Fernandez lol I'll speak numbers with the guy and I'll get back to you, I can't see it being a competitive product pricing wise though having to source the aluminium, bearings, rotors, rings + labour on top.
@Rogue it's about tackling the unsprung weight mate, 3kg+ less per corner makes a big difference to how the suspension works, not so much on a smooth track but on a bumpy b-road it will make a big difference. On top of that I won't have to buy the whole disc next time needed, I'll only replace the rotor. Also it looks the business! If the bearing goes (big if, bear in mind the rear discs have never been replaced on my car) I'll just replace it. My guy can source an identical part for about 80 euros.
@dajones cheers mate, I did think of that tbh and therefore dropping the weight even more, however all the aluminium brembo calipers do not feature handbrake, unless there is a caliper that does? I would be interested in something like this for a future upgrade
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Looking good yiannis!! Now to find a way of getting a brembo calliper on the rear
this has already done been on one of the meganes
good work that yannis, very nice
this has already done been on one of the meganes
good work that yannis, very nice
Do show!!!
Yiannis197
Paid Member
Cheers foxy.
I wouldn't put 4pots at the back no way, I was thinking the 2 pots like the subarus/evos/350z etc but these as you know do not accommodate a handbrake.My fronts are upgraded anyway so I don't think the balance would be affected that much if any. Obviously the overall braking power would be better with Brembos and as a bonus I'd have less unsprung weight (don't know how much they weigh though so clearly I'm making assumptions here). That was just an idea anyway, much more costs would be involved therefore I didn't go through with the idea at all.
@Jonesy thanks mate. I'm intrigued to see that megane's setup. Any links?
@Rogue there is a real advantage mate, my car is driven hard on bumpy B-roads, I should see a nice improvement on how the rear end behaves Stopping power will also be affected to the better.
I wouldn't put 4pots at the back no way, I was thinking the 2 pots like the subarus/evos/350z etc but these as you know do not accommodate a handbrake.My fronts are upgraded anyway so I don't think the balance would be affected that much if any. Obviously the overall braking power would be better with Brembos and as a bonus I'd have less unsprung weight (don't know how much they weigh though so clearly I'm making assumptions here). That was just an idea anyway, much more costs would be involved therefore I didn't go through with the idea at all.
@Jonesy thanks mate. I'm intrigued to see that megane's setup. Any links?
@Rogue there is a real advantage mate, my car is driven hard on bumpy B-roads, I should see a nice improvement on how the rear end behaves
Stopping power will also be affected to the better.Similar Thread Suggestions
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