Ohlins updated it's R&T coil-over for our car - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Andyxin · 02-19-2018, 08:26 PM

https://world.ohlins.com/app/uploads...Subaru_BRZ.pdf

Ohlins didn't change the spring rate and says confidently that 4K 3K spring rate is a great setup. I wonder what's the differences between the new one and the old one. Maybe more shock travel?

idkwhatimdoing · 02-19-2018, 08:32 PM

I found this a few weeks ago when I was trying to order the spacers I lost for the top mounts and endlinks... the manual is a lot more detailed for the SUS MP21 vs the SUS MP20, and actually lists part numbers! Unfortunately, part numbers for all the spacers were “bad” and could not be ordered. Jake from Ohlins USA said he was trying to get a package available to just order all the little bits and pieces that come with the Road and Track kit.
Also the MP21 comes with rubber spring seats.

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idkwhatimdoing · 02-19-2018, 08:41 PM

Evidently the MP21 is TUV approved as well, MP20 is not

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Andyxin · 02-20-2018, 12:53 PM

Maybe MP21 is for passing the TUV rules lol

jamal · 02-20-2018, 01:37 PM

Wait, 4k/3k, for real?

Not the only coilover mfg that puts softer than stock rates on their stuff or the completely wrong balance. Or wait, most of them do one of those things.

idkwhatimdoing · 02-20-2018, 03:21 PM

Quote:

Originally Posted by jamal

Wait, 4k/3k, for real?

Not the only coilover mfg that puts softer than stock rates on their stuff or the completely wrong balance. Or wait, most of them do one of those things.

I am running the MP20 currently and I have to say the spring rates are very well matched to the car.
Stiffer doesn’t really mean better.

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nikitopo · 02-20-2018, 04:05 PM

There were some posts about a knocking noise. Maybe the rubber spring seats solve this issue.

http://www.ft86club.com/forums/showthread.php?t=110228

churchx · 02-20-2018, 04:19 PM

idkwhatimdoing: well matched with stock or not much different from stock grip level tires. Doubtful those rates matching that well with much grippier tires many trackday enthusiasts running.

ZDan · 02-20-2018, 04:29 PM

4kg/mm front with 3 kg/mm rear doesn't really add up considering 0.95 front and 0.75 rear motion ratios. Wheel rates are ~3.6 kg/mm front and ~1.7 kg/mm rear, more than twice as stiff up front. Seems out of whack for a 54/46 F/R car with very modest power/weight...

Pat · 02-20-2018, 05:24 PM

Quote:

Originally Posted by churchx

idkwhatimdoing: well matched with stock or not much different from stock grip level tires. Doubtful those rates matching that well with much grippier tires many trackday enthusiasts running.

This seems to be a common thought on this forum. FWIW, when I was on stock suspension and BFG R1Ss, my lap times were faster than T2s with Maxxis RC1s.
I'm not saying R1Ss are a great match for an otherwise stock car, but I really don't think the "matching" of the tires with suspension is as big of an issue as what most people here seem to think.
In the end, sticky tires = speed.

churchx · 02-20-2018, 05:43 PM

Pat: one CAN go on sticky tires and soft springs. It's just for that being far from best possible suspension setup. Sticky tires+soft springs=car rides on bumpstops. It drives, and grippy tires do grip, but how well dampening on bottomed out coilovers to bumpstops is, and especially if there happens to be rough surface or you are going over kerb.. Also for some too much roll may reduce confidence in pushing more in turns. It's subjective handling feel though, as grip is still there.
Somehow most common contra-question for "which coilovers" i've seen - "what tires".

idkwhatimdoing · 02-20-2018, 06:15 PM

Quote:

Originally Posted by churchx

Pat: one CAN go on sticky tires and soft springs. It's just for that being far from best possible suspension setup. Sticky tires+soft springs=car rides on bumpstops. It drives, and grippy tires do grip, but how well dampening on bottomed out coilovers to bumpstops is, and especially if there happens to be rough surface or you are going over kerb.. Also for some too much roll may reduce confidence in pushing more in turns. It's subjective handling feel though, as grip is still there.
Somehow most common contra-question for "which coilovers" i've seen - "what tires".

I have taken speed “humps” at 30mph on these shocks with stock wheels and I’ve never hit the bump stops once, although I’m running the Raceseng 2 inchers on the rear.
I think one must be more open-minded to soft spring rates.

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churchx · 02-20-2018, 06:23 PM

stock wheels? assuming probably also limited-grip stock primacies? Due which they may loose grip prior coilovers bottom out. Now take wider and much grippier compound half slicks & slicks, and it's easy ride on bumpstops almost every track curve before they'll loose grip.
I haven't denied that these might be very well matched to stock tires or when normally daily driving on public roads, both comfort & handling wise. Not so much for tires with lot of grip & on track. As in - way less 'track' in 'road & track' vs stiffer original MI20 R&T.

mav1178 · 02-20-2018, 06:33 PM

threads like this make me wish I can repurchase my old Ohlins to keep around for fun.

02-19-2018, 08:26 PM	#1
Andyxin Member Join Date: Feb 2017 Drives: 2017 BRZ WR blue PP Location: Santa Barbara Posts: 50 Thanks: 41 Thanked 17 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Ohlins updated it's R&T coil-over for our car https://world.ohlins.com/app/uploads...Subaru_BRZ.pdf Ohlins didn't change the spring rate and says confidently that 4K 3K spring rate is a great setup. I wonder what's the differences between the new one and the old one. Maybe more shock travel?

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02-19-2018, 08:32 PM	#2
idkwhatimdoing Senior Member Join Date: Jan 2018 Drives: 2015 Scion FR-S 1968 Camaro BB402 Location: Thousand Oaks, California Posts: 109 Thanks: 41 Thanked 45 Times in 24 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	I found this a few weeks ago when I was trying to order the spacers I lost for the top mounts and endlinks... the manual is a lot more detailed for the SUS MP21 vs the SUS MP20, and actually lists part numbers! Unfortunately, part numbers for all the spacers were “bad” and could not be ordered. Jake from Ohlins USA said he was trying to get a package available to just order all the little bits and pieces that come with the Road and Track kit. Also the MP21 comes with rubber spring seats. Sent from my iPhone using Tapatalk

02-19-2018, 08:41 PM	#3
idkwhatimdoing Senior Member Join Date: Jan 2018 Drives: 2015 Scion FR-S 1968 Camaro BB402 Location: Thousand Oaks, California Posts: 109 Thanks: 41 Thanked 45 Times in 24 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Evidently the MP21 is TUV approved as well, MP20 is not Sent from my iPhone using Tapatalk

02-20-2018, 12:53 PM	#4
Andyxin Member Join Date: Feb 2017 Drives: 2017 BRZ WR blue PP Location: Santa Barbara Posts: 50 Thanks: 41 Thanked 17 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Maybe MP21 is for passing the TUV rules lol

02-20-2018, 01:37 PM	#5
jamal Senior Member Join Date: Nov 2011 Drives: Legacy GT Location: compton Posts: 534 Thanks: 9 Thanked 365 Times in 204 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	Wait, 4k/3k, for real? Not the only coilover mfg that puts softer than stock rates on their stuff or the completely wrong balance. Or wait, most of them do one of those things.

02-20-2018, 04:05 PM	#7
nikitopo Senior Member Join Date: Mar 2014 Drives: '15 BRZ RA Location: Greece Posts: 3,787 Thanks: 2,417 Thanked 1,944 Times in 1,261 Posts Mentioned: 29 Post(s) Tagged: 0 Thread(s)	There were some posts about a knocking noise. Maybe the rubber spring seats solve this issue. http://www.ft86club.com/forums/showthread.php?t=110228

02-20-2018, 04:19 PM	#8
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,333 Thanks: 696 Thanked 2,086 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	idkwhatimdoing: well matched with stock or not much different from stock grip level tires. Doubtful those rates matching that well with much grippier tires many trackday enthusiasts running.

02-20-2018, 04:29 PM	#9
ZDan Senior Member Join Date: May 2011 Drives: '23 BRZ Location: Providence, RI Posts: 4,613 Thanks: 1,395 Thanked 3,930 Times in 2,052 Posts Mentioned: 85 Post(s) Tagged: 0 Thread(s)	4kg/mm front with 3 kg/mm rear doesn't really add up considering 0.95 front and 0.75 rear motion ratios. Wheel rates are ~3.6 kg/mm front and ~1.7 kg/mm rear, more than twice as stiff up front. Seems out of whack for a 54/46 F/R car with very modest power/weight...

02-20-2018, 05:43 PM	#11
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,333 Thanks: 696 Thanked 2,086 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	Pat: one CAN go on sticky tires and soft springs. It's just for that being far from best possible suspension setup. Sticky tires+soft springs=car rides on bumpstops. It drives, and grippy tires do grip, but how well dampening on bottomed out coilovers to bumpstops is, and especially if there happens to be rough surface or you are going over kerb.. Also for some too much roll may reduce confidence in pushing more in turns. It's subjective handling feel though, as grip is still there. Somehow most common contra-question for "which coilovers" i've seen - "what tires".

02-20-2018, 06:23 PM	#13
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,333 Thanks: 696 Thanked 2,086 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	stock wheels? assuming probably also limited-grip stock primacies? Due which they may loose grip prior coilovers bottom out. Now take wider and much grippier compound half slicks & slicks, and it's easy ride on bumpstops almost every track curve before they'll loose grip. I haven't denied that these might be very well matched to stock tires or when normally daily driving on public roads, both comfort & handling wise. Not so much for tires with lot of grip & on track. As in - way less 'track' in 'road & track' vs stiffer original MI20 R&T.

02-20-2018, 06:33 PM	#14
mav1178 Senior Member Join Date: Apr 2013 Drives: 2005 Toyota Camry Location: 91745 Posts: 6,562 Thanks: 493 Thanked 6,093 Times in 3,029 Posts Mentioned: 95 Post(s) Tagged: 3 Thread(s)	threads like this make me wish I can repurchase my old Ohlins to keep around for fun.

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