BBiAutosport

Attachment 1344394
Twin Tuesday Part II. Silver Porsche 991 GT3 RS Returns for Full BBi Track Package


(Click on images for higher resolution)

Greetings Rennlisters,

Continuing from our last "Twin Tuesday" post, this pair of nearly identical Silver Porsche 991 GT3 RS returns to BBi Autosport for to get the our complete StreetCup Track Package. Like inseparable twins, we installed our BBi 991 GT3 harness bars into both of these cars at the same time during their last visit at our facility. For their second visit, we will be installing our all new billet aluminum suspension package and exhaust bypass onto both cars. Please stay tuned for updates!!!







Upgrades for Part II





Engine

• BBi 991 GT3 Street Cup Exhaust Bypass

Suspension

• BBi Porsche 991 GT3 Street Cup Billet Aluminum Monoball Control Arm Package
• BBi Porsche 991 GT3 Street Cup Spring Package
• BBi StreetCup Competition Corner Balance & Alignment





- Jerry@BBiAutosport.com

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Here is a quick look at all the stock suspension components that we will be replacing.

Stock Front Suspension Components









Stock Rear Suspension Components

TRAKCAR

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Now we will outfit this car with our complete BBi 991 GT3 Street Cup Suspension Package to improve the handling response. We will upgrade the factory springs with an improved linear rate springs and replace the factory arms and links with our billet alumimum monball arms to eliminate rubber deflection.

BBi 991 GT3 Street Cup Suspension Package

BBi Billet Rear Control Arms


Adjustable Sway Bar Endlinks


Spring Package Matched Specifically to the OEM Dampers


Installed on OEM Dampers




Detailed shot of Top Mount


Detailed shot of Bottom Mount & Helper Springs


BBi 991 GT3 StreetCup Adjustable Thrust Arms


• Connects the Lower Control Arm to the subframe
• Provides precision caster adjustability
• Spacers included for setting stock or anti-squat and anti-dive configurations
• Eliminates factory rubber bushings for improved suspension feedbacks

BBi 991 GT3 StreetCup Adjustable Thrust Arm Bushings


• Provides two eccentric mounting points
• Used to adjust for increasing or decreasing wheelbase, and adjustable caster.
• A must-have for extended lower control arms (GT3 control arms or eccentric monoballs) to correct for unintended caster change
• Eliminates factory rubber bushings for improved suspension feedback

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Front Suspension



Front Spring Kit



BBi Adjustable Thrust Arms, Adjustable Thrust Arm Bushings, Front Lower Control Arm Spherical Bearing Flange, Tarrett Adjustable Sway Bar Endlinks





Tarrett Adjustable Sway Bar Endlink


BBi Adjustable Thrust Arm Bushing



Rear Suspension



Spring Kit & Rear Billet Aluminum Upper Wishbone & Trailing Arms









Rear Lower Billet Aluminum Trailing Arm & Tarrett Adjustable Sway Bar Endlinks





Rear Lower Control Arm Spherical Bearing Flange

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Time for corner balance and alignment.









- Jerry@BBiAutosport.com

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Next, we swapped out the factory primary side mufflers to uncork the engine and reduce 40 pounds of weight behind the rear axle.

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Here is picture of the first car completed.

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Now we proceed to give the second twin Silver 991 GT3 RS the same BBi treatment.



Quick look again at the stock front and rear suspension components on the driver side

Non adjustable factory front thrust arms with rubber bushings



Front inner bearing with rubber bushings





Rear



Rear upper control arms



Factory Rear Lower Trailing Arm



- Jerry@BBiAutosport.com

porscheflat6

Beauty

WildBill

The finished car looks awesome. How much lower than factory settings?

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Thank you guys! After our dialing the setup, it is 1/2 inch lower in the front and 3/8 in the rear.

- Jerry@BBiAutosport.com

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Now we proceed to install the front suspension components starting off with our spring package.

Side by side comparison. Left side is the OEM damper with the BBi spring kit installed.



Front suspension assembled.





Front spring kit installed on car



Front Thrust Arms & Bushings









Adjustable Way Bar End Link

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Now we proceed to installing the rear components starting off with our spring package.

Side by side comparison. Left side is the OEM damper with the BBi spring kit installed.





Rear suspension assembled.



Rear spring kit installed on car







Rear billet aluminum control arms

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BBi StreetCup Exhaust Install on 2nd Silver 991 GT3 RS



OEM Side Mufflers to be deleted







BBi StreetCup Cup Exhaust Install on 2nd Silver 991 GT3 RS







Close Up Shots







- Jerry@BBiAutosport.com