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-   -   RS4.0 spoiler on GT3RS 991 (

Tryptomine 06-05-2015 06:03 AM

RS4.0 spoiler on GT3RS 991
Hi guys,

Thinking of installing this small spoilers on my upcoming 991 GT3RS .
What about aerodynamics, will it effect in bad or good with them ?


Tre 06-05-2015 08:25 AM

I believe the front splitter extends higher up the front wheel arch so canards wouldn't be necessary. As for your question, I'm not sure if adding canards afterwards would adversely affect or enhance the aerodynamics, but I'm sure it would depend on your usage.

Kobalt 06-05-2015 10:54 AM

What I've heard is that if you put on canards you probably must adjust the rear wing tp get balance.

race7117 06-05-2015 11:46 AM

The 991 GT3RS has Huge vents in the front carbon fenders, plenty of aero for front downforce. The canards will direct airflow away from the "turbo" ducts and possible rear wing. I'm sure, at a minimum it will disrupt the set up and as the car has plenty of front aero I wouldn't mess with it

TRAKCAR 06-05-2015 12:23 PM

I put bigger ones on my 3.8RS with cup lip, balance it it with more angle in wing plus Gurney flap.

Can't image a new RS needing more downforce..

Tryptomine 06-05-2015 05:11 PM

I just like the look of this small spoilers in the front. But if they will mess the aerodynamics i think i can live without them ;(((( sad

kyrocks 06-05-2015 05:14 PM

Originally Posted by TRAKCAR (Post 12336784)
I put bigger ones on my 3.8RS with cup lip, balance it it with more angle in wing plus Gurney flap.

Can't image a new RS needing more downforce..

I did same and agree.

TRAKCAR 06-05-2015 05:17 PM

Wont hurt

Tryptomine 06-05-2015 05:40 PM

So you mean its ok to put canards ?

TRAKCAR 06-05-2015 05:42 PM

Yes, go for it.

Tryptomine 06-05-2015 05:53 PM

thanks ;)))

Just in time 06-05-2015 07:31 PM

Most likely at average road speeds the canards are essentially for show. If you do however take your car to the track and attain higher speeds it will throw the car's factory balance out of whack. So answer lies in what you intend.

GregJGT3 06-05-2015 07:39 PM

^^ Yes. The factory spends a lot of time and money fine tuning the balance with the aero package and suspension. Anything you do to change that will change the balance. Of course it depends on how fast you are going. You don't have to be on the track to get the car over 100 mph and perhaps in a little areo imbalance... Throw in a wet surface and you amplify the effects.

Tryptomine 06-05-2015 07:53 PM

;( thanks guys for answers.

NateOZ 06-05-2015 09:30 PM

Obviously I've not driven the RS yet, but PAG normally sets up cars with a tendency towards understeer from the factory as its safer for typical track drivers. Adding front downforce without adding rear will give a car a tendency to oversteer more, but you might find the balance is better with just the Canards or you need to add a little bit of wing angle as suggested.

Just make sure you work with a shop that knows what they're doing.

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