Just dropped a deposit on some M Power - Trackday Project Car

Gibbo said:
Should be fine, being in touch with M30dus who has a fully stripped E46 M3 with super charger, he was running 475BHP, now 600+

He had rear traction issues due to power and weight loss, he said once he corner weighted the car was transformed and he could put power down much easier.
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You can't compare yours to Duncan's from shell race build running forced induction, slicks and a totally different set-up.

Now you've spent on the bling are you going to consider a cage and getting those harnesses sorted? I hope the drivers air bag will be deactivated whilst you're out on track.
 
HummuH1 said:
You can't compare yours to Duncan's from shell race build running forced induction, slicks and a totally different set-up.

Now you've spent on the bling are you going to consider a cage and getting those harnesses sorted? I hope the drivers air bag will be deactivated whilst you're out on track.
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Well as I've actually spoken with Duncan on how he sorted his rear traction issues I think I can.

His reponse went along the lines of, once I had the car corner weighted, putting power down was vastly improved, once I fitted slicks I then had no issues.

I asked him how he improved rear traction, he said corner weighting made the biggest difference, so I think it is fair to say it is going to help mine a lot would you not agree?

Cage, no. Like you say his is a stripped shell, different body panels, he has removed his crash bar protection from the shell for less weight, hence the absolute must for a cage, plus he is running slicks.

My drivers airbag was removed a long time ago. :)

My harnesses shall be addressed yet, I shall be getting some sorted so they are both at the right angle/height and the anchor points are strong enough, something I shall get a place with experience to sort for me. :)
 
Alignment as part of corner weighting helps traction. If you want straight line grip then just put all the weight on the rear.
 
Simon said:
Alignment as part of corner weighting helps traction. If you want straight line grip then just put all the weight on the rear.
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Just want to get it back close to 50/50 mate, or whatever the alignment/guy doing it reckons is best.

But right now 75% of the weight reduction has mainly come from the rear, so its probably a bit out.

Lets just say BIG BIG slides happen very easy in the wet, of course tyres are a big factor too.

When its done I shall take a photo of before and after to show weight and its distribution. :)

Just before this, I need to remove secondary air pump and bracket/harness from under bonnet, gonna do this weekend if dry and then just waiting for CSL boot. Can't really strip more weight then without going crazy and spending big money.
 
Be interested to find hear your experience with the corner weighting stuff. I took my car to be corner weighted and the guy basically said it would be a waste of time and money and sent me away.
 
Clarkey said:
Be interested to find hear your experience with the corner weighting stuff. I took my car to be corner weighted and the guy basically said it would be a waste of time and money and sent me away.
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The guy doing mine, sets up GT3's so M3's not his expertise, but he knows 50/50 is best aim for an M3 and he knows from his own track cars that corner weighting for his GT3 made a big improvement.
 
Gibbo said:
Well as I've actually spoken with Duncan on how he sorted his rear traction issues I think I can.

His reponse went along the lines of, once I had the car corner weighted, putting power down was vastly improved, once I fitted slicks I then had no issues.

I asked him how he improved rear traction, he said corner weighting made the biggest difference, so I think it is fair to say it is going to help mine a lot would you not agree?

Cage, no. Like you say his is a stripped shell, different body panels, he has removed his crash bar protection from the shell for less weight, hence the absolute must for a cage, plus he is running slicks.

My drivers airbag was removed a long time ago. :)

My harnesses shall be addressed yet, I shall be getting some sorted so they are both at the right angle/height and the anchor points are strong enough, something I shall get a place with experience to sort for me. :)
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I'm not having a go, it just annoys me a little I guess when people build a "track" car and their safety, and more importantly the safety of others seems to be low down the priority list when it really should be right at the top and the car modified around that.

I get that people see the cage as a major expense, major ballache to fit and adds significant weight but a well designed and installed cage can also strengthen and stiffen, which can provide a good platform to get the best out of a car, even on such a good base car as you have. More importantly, it can save the lives of you and any passengers.

Unfortunately, if you plan to track the car regularly, chances are that at some point you will have a moment. When there's other cars on track there is always a risk even if you're talented and experienced. Having driven a standard E46 M3 on track for a few years I certainly had some moments, not all of which were of my doing. Such a good car and just encourages you to push harder, until the OEM brakes melt.

I appreciate it may seem negative, but being involved in motorsport I think you have more of an awareness of safety and where the priorities for spending should be. Biggest single expense in racing for me, other than my car was my helmet.
 
HummuH1 said:
I'm not having a go, it just annoys me a little I guess when people build a "track" car and their safety, and more importantly the safety of others seems to be low down the priority list when it really should be right at the top and the car modified around that.

I get that people see the cage as a major expense, major ballache to fit and adds significant weight but a well designed and installed cage can also strengthen and stiffen, which can provide a good platform to get the best out of a car, even on such a good base car as you have. More importantly, it can save the lives of you and any passengers.

Unfortunately, if you plan to track the car regularly, chances are that at some point you will have a moment. When there's other cars on track there is always a risk even if you're talented and experienced. Having driven a standard E46 M3 on track for a few years I certainly had some moments, not all of which were of my doing. Such a good car and just encourages you to push harder, until the OEM brakes melt.

I appreciate it may seem negative, but being involved in motorsport I think you have more of an awareness of safety and where the priorities for spending should be. Biggest single expense in racing for me, other than my car was my helmet.
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A cage could also kill me.
Remember this is also a road car and full cages in road cars is a huge no no. This is not a track dedicated car or race car. It's a fun project car which will see a lot of none competitive track days and also be used on road.

I agree a cage can improve stiffness and handling.

The car has uprated brakes all round.
The harnesses shall be sorted and all airbags are gone. :)
 
HummuH1 said:
I'm not having a go, it just annoys me a little I guess when people build a "track" car and their safety, and more importantly the safety of others seems to be low down the priority list when it really should be right at the top and the car modified around that.

I get that people see the cage as a major expense, major ballache to fit and adds significant weight but a well designed and installed cage can also strengthen and stiffen, which can provide a good platform to get the best out of a car, even on such a good base car as you have. More importantly, it can save the lives of you and any passengers.

Unfortunately, if you plan to track the car regularly, chances are that at some point you will have a moment. When there's other cars on track there is always a risk even if you're talented and experienced. Having driven a standard E46 M3 on track for a few years I certainly had some moments, not all of which were of my doing. Such a good car and just encourages you to push harder, until the OEM brakes melt.

I appreciate it may seem negative, but being involved in motorsport I think you have more of an awareness of safety and where the priorities for spending should be. Biggest single expense in racing for me, other than my car was my helmet.
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Out of interest, did you buy a HANS device? These seem to be quite readily available now and seem like an obvious purchase if one is doing a lot of track days.
 
Clarkey said:
Be interested to find hear your experience with the corner weighting stuff. I took my car to be corner weighted and the guy basically said it would be a waste of time and money and sent me away.
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WIM said similar when i asked for alignment with 90kg in the drivers seat.
 
Simon said:
WIM said similar when i asked for alignment with 90kg in the drivers seat.
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really? Tony at WIM always used to weight the drivers seat when I took my car in.... ? I remember several people on S2KI having that done too.... Granted this was over 3 years ago now though :(
 
Hi there

Am looking to buy some hoses to make brake cooling ducts with and cold air intake, In USA they get such things from home depot stores for pennies, but where in the uk can I buy such ducting/hoses?

Why?

Got a CSL bumper so want to feed cold air from air intake directly into air box and also make some brake cooling ducts as per below :-

http://evolvedperformance.com/?p=50

http://forum.roadfly.com/threads/12206650-Brake-cooling-for-CSL-bumper

http://m3support.freeforums.net/thread/40/csl-front-bumper-diy-e46?page=1&scrollTo=44

http://m3forum.net/m3forum/showthread.php?t=395982&highlight=csl+ducting


So anyone know where I can buy some hosing/ducting as per above links please? So I can do some brake cooling ducts?
 
Hi there

Went to fill car up tonight, think with a mix from loosing more weight, more cold air getting to intake and the lower temperatures, the car feels seriously quick now, also snapped a few more pictures too:-


ero1.jpg


nid6.jpg


rjuy.jpg


yhde.jpg


2ry1.jpg



When I get the corner weighting done, think I shall lower it a further 10mm all round at same time too, as getting weight out from front-end does seem to have cause front-end seem a little higher, might just be me, but beauty of coilovers can just adjust it lower anyway. :)

Its hard to see but I've painted the mesh black with plastidip and got a CSL mesh grill for the air intake. :)
 
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