MPG: FR-S/BRZ clutch development. - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

SkullWorks · 08-01-2012, 05:01 PM

the stock flywheel isn't a dual mass unit is it?

epson1 · 08-01-2012, 05:07 PM

These clutches are awesome. I ran one in my LS 240 drift car and my bff from Canada, Chris, also runs one on his LS 240. Work great and definitely can wait for this product

Don@Accelerated · 08-01-2012, 06:28 PM

Quote:

Originally Posted by wu_dot_com

clutch, pressure plate, and flywheel assembly, about 37lbs.

So its a heavy bitch! Told ya so Jeremiah. It feels like it.

wu_dot_com · 08-01-2012, 06:47 PM

Quote:

Originally Posted by SkullWorks

the stock flywheel isn't a dual mass unit is it?

dont think so, but Jeremiah can confirm when he gets them in the next day or so.

one think i want to bring up is that excedy is the supplier for the clutch assembly.

Quote:

Originally Posted by Don@Accelerated

So its a heavy bitch! Told ya so Jeremiah. It feels like it.

i think the clutch is also a heavy hitter.

Draco-REX · 08-01-2012, 06:54 PM

Seeing as how the stock master/slave setup of the stock system feel like it's over boosted (if it were boosted), it must be able to handle a pretty strong pressure plate. If that's so, I wonder if someone's going to make a smaller diameter multi-plate clutch.

Jeremiah@MPG · 08-01-2012, 07:41 PM

Quote:

Originally Posted by Don@Accelerated

So its a heavy bitch! Told ya so Jeremiah. It feels like it.

You were right Don haha. Now we just need to get a good setup in your BRZ

Quote:

Originally Posted by wu_dot_com

dont think so, but Jeremiah can confirm when he gets them in the next day or so.

one think i want to bring up is that excedy is the supplier for the clutch assembly.

i think the clutch is also a heavy hitter.

Exedy has always been a big supplier for many OEM manufactures. They usually have the DK stamp on the pressure plate and disc.

Quote:

Originally Posted by Draco-REX

Seeing as how the stock master/slave setup of the stock system feel like it's over boosted (if it were boosted), it must be able to handle a pretty strong pressure plate. If that's so, I wonder if someone's going to make a smaller diameter multi-plate clutch.

We actually were talking today about doing a 7.25" twin disc. To make this happen, honestly someone will need to be in the 700rwhp range. So, not sure how much need there is for this, but it is on the drawing table for discussion.

Draco-REX · 08-01-2012, 10:30 PM

Quote:

Originally Posted by Jeremiah@MPG

We actually were talking today about doing a 7.25" twin disc. To make this happen, honestly someone will need to be in the 700rwhp range. So, not sure how much need there is for this, but it is on the drawing table for discussion.

I was thinking that would get the mass of the clutch closer to the center of the crank shaft, making the assembly easier to spin.

wootwoot · 08-03-2012, 01:05 AM

What about two models on the flywheel? One light-weight for racing application and another less-light-weight for street/DD?

d1ck · 08-03-2012, 09:08 AM

I don't think you want to rate your clutch for 300 rwtq, as the rear wheel torque in first gear would be much higher than 300 ft lbs.

serialk11r · 08-03-2012, 02:45 PM

Quote:

Originally Posted by d1ck

I don't think you want to rate your clutch for 300 rwtq, as the rear wheel torque in first gear would be much higher than 300 ft lbs.

Stupid conventions in the car community made by stupid people, what can you do about it...

Jeremiah@MPG · 08-04-2012, 12:54 PM

Quote:

Originally Posted by wootwoot

What about two models on the flywheel? One light-weight for racing application and another less-light-weight for street/DD?

Post 10 states that we are going to be doing two version of the flywheel. So we already have it in mind

wootwoot · 08-04-2012, 01:04 PM

Quote:

Originally Posted by Jeremiah@MPG

Post 10 states that we are going to be doing two version of the flywheel. So we already have it in mind

Hurry!!!

Jeremiah@MPG · 08-04-2012, 01:21 PM

Haha we are working on it as fast we can. We don't want to rush anything though.

-Jeremiah

Jeremiah@MPG · 08-06-2012, 07:04 PM

Thanks (Bryan)Wu_dot_com for getting the clutch and flywheel out to me. We received it today. With that being said, we can now start drawing the flywheel. I will keep everyone in the loop with the progress.

Regards,
Jeremiah

08-06-2012, 07:04 PM	#28
Jeremiah@MPG Member Join Date: Nov 2011 Drives: 2003 350z TT Location: Ft. Worth, Tx. Posts: 82 Thanks: 18 Thanked 11 Times in 7 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Thanks (Bryan)Wu_dot_com for getting the clutch and flywheel out to me. We received it today. With that being said, we can now start drawing the flywheel. I will keep everyone in the loop with the progress. Regards, Jeremiah Last edited by Jeremiah@MPG; 08-06-2012 at 08:07 PM.

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08-01-2012, 05:01 PM	#15
SkullWorks Banned Join Date: Mar 2012 Drives: SSM LT MT BRZ Location: SoCal Posts: 1,033 Thanks: 803 Thanked 754 Times in 328 Posts Mentioned: 23 Post(s) Tagged: 1 Thread(s)	the stock flywheel isn't a dual mass unit is it?

08-01-2012, 05:07 PM	#16
epson1 Banned Join Date: Jul 2012 Drives: 2013 BRZ Limited Location: Sioux Falls SD Posts: 98 Thanks: 1 Thanked 69 Times in 34 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	These clutches are awesome. I ran one in my LS 240 drift car and my bff from Canada, Chris, also runs one on his LS 240. Work great and definitely can wait for this product

08-01-2012, 06:54 PM	#19
Draco-REX Corner Junkie Join Date: Feb 2012 Drives: 13 BRZ, 11 STI, 99 RS Location: Ohio Posts: 2,908 Thanks: 129 Thanked 1,521 Times in 702 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	Seeing as how the stock master/slave setup of the stock system feel like it's over boosted (if it were boosted), it must be able to handle a pretty strong pressure plate. If that's so, I wonder if someone's going to make a smaller diameter multi-plate clutch.

08-03-2012, 01:05 AM	#22
wootwoot Senior Member Join Date: Jul 2012 Drives: FRS Location: Cali Posts: 1,558 Thanks: 188 Thanked 462 Times in 264 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	What about two models on the flywheel? One light-weight for racing application and another less-light-weight for street/DD?

08-03-2012, 09:08 AM	#23
d1ck Senior Member Join Date: Jul 2012 Drives: Black 2013 FRS Location: Newfoundland Posts: 249 Thanks: 31 Thanked 83 Times in 54 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	I don't think you want to rate your clutch for 300 rwtq, as the rear wheel torque in first gear would be much higher than 300 ft lbs.

08-04-2012, 01:21 PM	#27
Jeremiah@MPG Member Join Date: Nov 2011 Drives: 2003 350z TT Location: Ft. Worth, Tx. Posts: 82 Thanks: 18 Thanked 11 Times in 7 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Haha we are working on it as fast we can. We don't want to rush anything though. -Jeremiah

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