Author Topic: JB Racing LW Flyweel installed! (Read 19054 times)

shellback · « **Reply #15 on:** May 02, 2006, 01:38:39 PM »

Quote from: Eurospec

Too rich for my blood

http://www.ehow.com/how_110908_sell-plasma.html

The link above might help

asubimmer · « **Reply #16 on:** May 02, 2006, 02:20:56 PM »

Quote from: shellback

http://www.ehow.com/how_110908_sell-plasma.html

The link above might help

lol, thats one way to get through college. I'm glad I don't have to.

Febi Guibo · « **Reply #17 on:** May 02, 2006, 02:32:22 PM »

Quote from: shellback

http://www.ehow.com/how_110908_sell-plasma.html

The link above might help

[...dying laughing...]

johna · « **Reply #18 on:** May 02, 2006, 07:47:31 PM »

Quote

Cheers for that link, the pic I posted is a M&S -Motorsport lightweight flywheel 7 kilo's for a 318i M40 engine, since it is possible to swap a M40 clutch/flywheel i recon this could work. Comments please

The stock M40 flywheel is around 9.7kg and you can shave at least another 2kg off it.

Using an M40 flywheel means you need to use the M40 clutch which has the benefit of a sprung centre so no chatter.

twinpop171 · « **Reply #19 on:** May 02, 2006, 10:18:56 PM »

Quote from: shellback

http://www.ehow.com/how_110908_sell-plasma.html

The link above might help

LOL!!!:D

jajou318 · « **Reply #20 on:** May 11, 2006, 03:34:00 PM »

lol this is one of those mods you save up for... i want it i want i wa...

mrjezza · « **Reply #21 on:** May 13, 2006, 04:33:44 AM »

Does anyone know whether a lighter flywheel will put more stress on other driveline components? (ie driveshaft, diff, etc)

Everyone says that acceleration increases with a lightened flywheel; if the engine is capable of turning these components more quickly, wouldn't this mean more stress is placed on them as a result?

I understand that power output of the engine doesn't change, but more force is passed on to the driveline now because there is 5kg less weight soaking up these forces?

M42boy · « **Reply #22 on:** May 13, 2006, 07:59:59 AM »

Quote from: mrjezza

Does anyone know whether a lighter flywheel will put more stress on other driveline components? (ie driveshaft, diff, etc)

Everyone says that acceleration increases with a lightened flywheel; if the engine is capable of turning these components more quickly, wouldn't this mean more stress is placed on them as a result?

I understand that power output of the engine doesn't change, but more force is passed on to the driveline now because there is 5kg less weight soaking up these forces?

That's a good point, but I would guess that if everything south of the tranny is in good shape, you shouldn't have any problems. Make sure your diff is working well and no leaks, check your guibo (not Febi Guibo :cool: ), and centre support bearing.

I'm going with the M20 flywheel conversion simply because of the relative low cost and sprung clutch should eliminate any of this "chatter". BTW, did the fluid change in the tranny fix the chatter problem?? Would love to see a report on this.

People keep scaring me when I tell them I'm converting to a single mass. I hear everything from "It won't idle right because of the harmonic balancer", "you're gonna stall it all the time", and "driving in traffic will be a real pisser"... This all makes me uneasy, but I still think that stock flywheel is SO heavy you could reduce the weight easily in 1/2 or more without any significant drivability issues.

Hearing about good results with a 9 lb flywheel gives me some comfort in knowing I shouldn't have any problems with a 16 lb flywheel.

shellback · « **Reply #23 on:** May 14, 2006, 01:43:07 PM »

Well, I'm saving up for the 9 lb FW. However, my main concern is the driving in traffic issue.
I do encounter considerable traffic to-from work and was wondering if anyone can describe what exactly I'm going to encounter.
If anyone can chime in I'd appreciate it.

Thanks,
Chris

Berlin · « **Reply #24 on:** May 17, 2006, 11:05:18 PM »

Quote from: Febi Guibo

wow, this is kinda crying out for a group buy...

im so down

jfdublyu · « **Reply #25 on:** May 18, 2006, 02:05:42 AM »

hey guys. driving in traffic isn't barely tougher w/ the 9lb than w/ the the stocker! all this talk about really annoying chatter and stalling out all the time is just not true. I was living in DC when I got my 9lb installed and drove over 120 miles a day and about 45min each day of stop and go traffic. It's is no big deal at all. If you want the most performance than go all the way and go for the aluminum. it really is 100% worth it. the slight chatter here and there is nothing compared to the performance benefits

zerofreez · « **Reply #26 on:** June 05, 2006, 10:23:03 PM »

So how many people have thought about getting the m20 aluminum flywheel and m20 clutch.

To me there are three variables that would make this much better then just the m42 aluminum flywheel.

1. Its cheaper
2. You get a sprung clutch, absorbs initial impact and reduces chatter.
3. Its a clutch for a 6cyl, it holds more torque!

I still dont understand why I've never seen anybody ask this question.

Another thing I thought of the other day is the fact that I have read about people putting e36 m3 flywheels and clutches into 318ti's as seen here http://www.understeer.com/318ti.shtml

"That was cured with a 240mm clutch from a '96+ M3. Of course you need a M3 flywheel to go with the larger clutch, so we chose an aluminum M3 flywheel from TC Kline. The flywheel is made by Fidanza Flywheels and weighs in at 11.5lbs vs the stock 27lbs. Now when you launch hard the motor just bogs down"

27lb flywheel sure sounds familier.

zerofreez · « **Reply #27 on:** June 05, 2006, 10:37:48 PM »

This information is also on the understeer site.

"How can I upgrade the clutch in my 318/323/325/328?
Sachs makes sport clutches for most E36 models, however they can be very expensive compared to the standard Sachs clutch kits. The E36 M3 clutch has very good clamping force (~350hp) and can be purchased for about $240 from bimmerparts.com. The trick is you'll need an M3 flywheel to match. Your options are either an aftermarket aluminum lightweight M3 flywheel or an OEM M3 dual mass flywheel. With the aluminum M3 flywheel your car will accelerate much quicker through first and second gears because of the reduced rotating mass, but you may experience some rattling from the tranny at idle in neutral. Any E36 M3 flywheel will bolt right up to any other E36 motor with no modification or fabrication needed, just bolt it on. I'd recommend a '96+ 3.2L M3 clutch kit instead of a '95 M3 clutch kit due to changes in the pressure plate. If you have a 318 or a 1.9L Z3, you'll need to buy a '96 M3 clutch release fork. You should also install an E36 M3 (any year) clutch slave cylinder to reduce pedal effort."

Just thought of one more thing. When I was doing research on s50/s52 swaps I remember them saying you could use the tranny from our cars behind that engine to get you by stead of buying an m3 tranny. So wouldnt that also support the idea that you can use the m3 flywheel and clutch in our cars?

dude8383 · « **Reply #28 on:** June 05, 2006, 11:38:30 PM »

Quote from: zerofreez

Just thought of one more thing. When I was doing research on s50/s52 swaps I remember them saying you could use the tranny from our cars behind that engine to get you by stead of buying an m3 tranny. So wouldnt that also support the idea that you can use the m3 flywheel and clutch in our cars?

you bring up a good point...i hope someone has had some experience with this because this could change a lot of things!

kramerica5000 · « **Reply #29 on:** June 06, 2006, 06:59:04 AM »

That's my thinking exactly. The aliminum FW is cool, but I think ultimately best for the track; plus I am not too sure about its reliability.

I'm waiting for my clutch to need replacing, and then I am going to do the m20 conversion.

Speaking of which . . . at what mileage do clutches usually need replacing with these cars?

Quote from: zerofreez

So how many people have thought about getting the m20 aluminum flywheel and m20 clutch.

To me there are three variables that would make this much better then just the m42 aluminum flywheel.

1. Its cheaper
2. You get a sprung clutch, absorbs initial impact and reduces chatter.
3. Its a clutch for a 6cyl, it holds more torque!

I still dont understand why I've never seen anybody ask this question.

Another thing I thought of the other day is the fact that I have read about people putting e36 m3 flywheels and clutches into 318ti's as seen here http://www.understeer.com/318ti.shtml

"That was cured with a 240mm clutch from a '96+ M3. Of course you need a M3 flywheel to go with the larger clutch, so we chose an aluminum M3 flywheel from TC Kline. The flywheel is made by Fidanza Flywheels and weighs in at 11.5lbs vs the stock 27lbs. Now when you launch hard the motor just bogs down"

27lb flywheel sure sounds familier.