MCA Suspension "Traction Mod"

[Tokay444]

Did you check your alignment settings after installing?

[e30cabrio]

No, it supposedly does not alter alignment and I'm not driving 100 miles a month and the rims & tires are coming off when my new ones come at which point, I'll have the car aligned.

[solidONE]

Originally Posted by e30cabrio

After about 80 miles more the car hooks up better and stays much more firmly planted during all manner of changes in direction and from changing road conditions. Worth every penny!

Oh wow.. Now I cant wait till the next stimulus drops. lmao jk

[Bodalenko]

Originally Posted by wootwoot

Any one know how much this lowers the rear of the car?

It doesn't. Well mine didn't..

[Bodalenko]

Originally Posted by 86•BRZ

That's a gross simplification of something that is different. A bit like saying you don't need coilovers if you've got a camber bolt.



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I agree. I've had these on for prob 3 yrs and there was an instant change/improvement in the way the car handles under acceleration. Much more planted and sure footed. For the record I'm Harrop'd and at 300+hp. Also fitted with MCA Red, subframe inserts, Verus LCA and P4 245/40/18's on 9.5" TE37's.

Just watch fitting them. Those subframe bolts can be buggers to realign and will cross thread very easily. ALWAYS install with fingers. If installed properly the bolts should almost tighten up by hand till the last couple of threads. Then you can uses a socket and bar. Ask me how I know

[Captain Snooze]

Originally Posted by solidONE

Define "planted".

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[solidONE]

Originally Posted by Captain Snooze

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Ahh. Planted like onions? Or is that garlic?

[solidONE]

Originally Posted by Bodalenko

I agree. I've had these on for prob 3 yrs and there was an instant change/improvement in the way the car handles under acceleration. Much more planted and sure footed. For the record I'm Harrop'd and at 300+hp. Also fitted with MCA Red, subframe inserts, Verus LCA and P4 245/40/18's on 9.5" TE37's.

Just watch fitting them. Those subframe bolts can be buggers to realign and will cross thread very easily. ALWAYS install with fingers. If installed properly the bolts should almost tighten up by hand till the last couple of threads. Then you can uses a socket and bar. Ask me how I know

How about on the brakes? Does it not want to rotate as much on corner entry.

[Captain Snooze]

Originally Posted by solidONE

Ahh. Planted like onions? Or is that garlic?

Are you serious? This is the suspension thread; they are obviously aftermarket bushes. Well, young, immature bushes.


Here is a picture of a rubber bush. I couldn't find a pic of a poly bush.

[e30cabrio]

I'm selling my car and my mca mod is for sale in the member classified suspension section

[Tatsu333]

Latest mod installed today - MCA Traction Mod:



Installing on jack stands in my garage was not super fun...LOL.

Also, if you ever do this mod, do yourself a favour and do ONE SIDE AT A TIME. I.E. do EVERYTHING on the one side, then start the other. Trust me.

Haven't had a chance to really push it in the twisties yet (my favourite roads are currently cut off by flooding due to heavy rains over the last few days), but I took it through some of the spots around town where I've had some code brown moments with the back snapping out mid-corner and my first impressions are that it does what it says on the tin - puts the power down much better through corners and particularly bumpy corners.

Before, it felt twitchy and would snap into oversteer when the outside rear loaded up suddenly and the diff would shunt the power to that wheel, but now it's WAY more planted.

Helical diffs on FWD are friggin magic - when the outside wheel loads up, it just shunts torque to that wheel, tucks in and drives the front end around the corner. I installed a Quaife diff in my Tiburon, and it was insane how well it could put power down in corners.

With the BRZ's stock behaviour, I was having my doubts whether the same type of diff made sense in a RWD car. With this mod, I feel like it more progressively loads the outside wheel, making the diff behave better. The car feels like it has more of the balance it should have had from the factory as a proper sports car.

HIGHLY RECOMMENDED MOD, for sure!

[gpvecchi]

Originally Posted by Tatsu333

Latest mod installed today - MCA Traction Mod:



Installing on jack stands in my garage was not super fun...LOL.

Also, if you ever do this mod, do yourself a favour and do ONE SIDE AT A TIME. I.E. do EVERYTHING on the one side, then start the other. Trust me.

Haven't had a chance to really push it in the twisties yet (my favourite roads are currently cut off by flooding due to heavy rains over the last few days), but I took it through some of the spots around town where I've had some code brown moments with the back snapping out mid-corner and my first impressions are that it does what it says on the tin - puts the power down much better through corners and particularly bumpy corners.

Before, it felt twitchy and would snap into oversteer when the outside rear loaded up suddenly and the diff would shunt the power to that wheel, but now it's WAY more planted.

Helical diffs on FWD are friggin magic - when the outside wheel loads up, it just shunts torque to that wheel, tucks in and drives the front end around the corner. I installed a Quaife diff in my Tiburon, and it was insane how well it could put power down in corners.

With the BRZ's stock behaviour, I was having my doubts whether the same type of diff made sense in a RWD car. With this mod, I feel like it more progressively loads the outside wheel, making the diff behave better. The car feels like it has more of the balance it should have had from the factory as a proper sports car.

HIGHLY RECOMMENDED MOD, for sure!

What is your lowering? It should provide a similar effect.

[Tatsu333]

Originally Posted by gpvecchi

What is your lowering? It should provide a similar effect.

Zero - I'm on stock (Performance Pack) springs and Sachs dampers.

For what it's worth, with how much that pickup point is lowered by the Traction Mod, to get the same reduction in anti-squat from lowering the ride height would require about a 50mm drop, which would have very little, if any, suspension travel left.

UPDATE: Got a chance to push it a bit more on some of the local roads in the dry, and all I can say is WOW. This is how the car should have been from the factory. Puts the power down so much better, and the rear end behaviour is much more predictable.

[strat61caster]

What's the rear alignment like?