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Old 01-31-2013, 12:14 PM   #26
SubySal
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Yea I was pretty much screwed under the old rule too.

I see your point, but you don't find having to put ballast on a engine mount a bit silly?
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Old 01-31-2013, 06:37 PM   #27
Davidss
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Quote:
Originally Posted by SubySal View Post
I see your point, but you don't find having to put ballast on a engine mount a bit silly?
For you, on your car, in your situation the rule does seem silly. But the rules aren't written just for you. On other ST cars people have already been pushing the boundaries by drilling holes in the mounts until they are basically swiss cheese. Or on the Hondas it is possible to remove one of the mounts completely which saves a good bit of weight at the expense of reliability. We all want to keep the ST category streetable, fun, and reliable and the motor mount weight rule is part of that.
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Old 01-31-2013, 07:20 PM   #28
polyol
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Yeah, I have cusco...they are rock solid...
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Old 01-31-2013, 07:22 PM   #29
SubySal
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Quote:
Originally Posted by Davidss View Post
For you, on your car, in your situation the rule does seem silly. But the rules aren't written just for you. On other ST cars people have already been pushing the boundaries by drilling holes in the mounts until they are basically swiss cheese. Or on the Hondas it is possible to remove one of the mounts completely which saves a good bit of weight at the expense of reliability. We all want to keep the ST category streetable, fun, and reliable and the motor mount weight rule is part of that.
OK I hear ya. I already got a reply from the SCCA so I'll see if I can figure something out with them.
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Old 02-04-2013, 04:12 PM   #30
AustinTX
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I went ahead and got a pair of Torque Solution mounts. I'll figure out how to ballast them up when they arrive.
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Old 02-07-2013, 05:08 PM   #31
AustinTX
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The Torque Solution mounts arrived, and each one is 8.5oz lighter than the OE counterpart. I'm adding the weight with longer bolts and a stack of large washers
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Old 02-07-2013, 06:12 PM   #32
em99sport
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Thanks for the update. Good to know it isn't much difference.
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Old 02-11-2013, 02:00 PM   #33
AustinTX
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Motor mount installed. Launching is much better with less wheel hop/engine lurching. vibration is significantly more than Group N mount when below 1000RPM. Note sure if i will leave it on or not yet. Feels more like a racecar, though.
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Old 02-12-2013, 10:08 AM   #34
piknockout
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Well if you decide you don't want to keep them, just mail them to me.
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Old 02-12-2013, 07:34 PM   #35
Deuce Cam
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Ballast shouldn't be a problem since the cusco mounts weigh more than stock due to the different design which has a bunch of extra steel.
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Old 02-21-2013, 11:37 AM   #36
drclaw09
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Drilling holes in motor mounts sounds like a terrible idea...
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Old 02-21-2013, 12:51 PM   #37
Aczwild
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How long/well have the Cusco mounts lasted for those that have them? Number of auto-x's, years, etc. Currently swapping my SM prepared RS and I'm torn between MSI solid mounts (can be done in SM) and the cusco ones as I'd like to be able to drive this on the street from time to time (dont care about the extra NVH from either mount)
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Old 02-21-2013, 03:44 PM   #38
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I think the main difference is the MSI mounts will lower your engine 10mm. Be carefull as some aftermarket up-pipes on the turbo cars may not clear the subframe. I have come across that once a few years back. The majority of manufacturers have no issues though.

Are the cuscos a solid or urethane mount?
-mark
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Old 02-21-2013, 04:26 PM   #39
Aczwild
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They are a "hybrid" with internal bushings (best way I could describe them)





(pics from Rallysport direct)

I'm actually considering ordering those and designing/machining my own based on theirs which would be stronger
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Old 02-21-2013, 04:36 PM   #40
Deuce Cam
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Quote:
Originally Posted by MSI View Post

Are the cuscos a solid or urethane mount?
-mark
The Cusco bushings are rubber.
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Old 03-03-2013, 09:22 AM   #41
Scooby South
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Here are the Cucso mounts for the FA motor in the BRZ.. Steel/rubber mix. some are already questioning the legality of them.. :/ sigh..






Bill
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Old 03-05-2013, 09:56 AM   #42
silverhks
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Bill:

Under the new rule, the only legality question should be weight. You might have to ballast them up...
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Old 03-05-2013, 07:33 PM   #43
Scooby South
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Quote:
Originally Posted by silverhks View Post
Bill:

Under the new rule, the only legality question should be weight. You might have to ballast them up...
yeah going to weigh them this weekend.. Personally, don't see a problem.. these things are heavy.. But to make sure.. I will post up the pics for both..

Bill
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Old 03-08-2013, 12:42 PM   #44
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Has anyone weighed the msi mounts? How much are they under weight?
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Old 03-08-2013, 01:20 PM   #45
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Quote:
Originally Posted by silverhks View Post
Has anyone weighed the msi mounts? How much are they under weight?
Don't they lower the engine by 7mm?
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Old 03-08-2013, 07:05 PM   #46
yazel
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Yep ^
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Old 03-09-2013, 09:23 AM   #47
Aczwild
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I was wondering about that, if the engine is lowered by 7mm (granted that really isnt much), does it put an increased load on the trans and trans mounts, or cause any issues?
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Old 03-09-2013, 09:41 AM   #48
mccanixx
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Quote:
Originally Posted by Aczwild View Post
I was wondering about that, if the engine is lowered by 7mm (granted that really isnt much), does it put an increased load on the trans and trans mounts, or cause any issues?
Since the trans is not generally solid mount I would wager it would be more than fine with the 1/4" change.

I was merely pointing out a possible legality issue for the class being discussed.
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Old 03-09-2013, 01:24 PM   #49
yazel
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Quote:
Originally Posted by mccanixx View Post
I was merely pointing out a possible legality issue for the class being discussed.
Definitely not legal:

From the ST section of the rules:

Quote:
J. Any engine or transmission mount is allowed provided it attaches
only to the original mounting points, does not relocate the engine/
transmission (other than incidental to changes in compliance material),
and weighs no less than the OE mount. All components between
the engine/transmission and the mounting structure are considered
to be part of the mount assembly.
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Old 03-10-2013, 10:42 AM   #50
silverhks
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My thoughts were actually to use washer/ spacer of some sort to raise it back up. As it comes it is definitely illeagal for stu


Also, does that wording allow any pitchstop to be used?
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