17.5 GT Class


17.5 GT Class is not a sanctioned class and may not be run at all special events. Should you wish to compete at special events we recommend selection 21.5 Sportsman, 13.5 Stock, or Open. This class is based on a gentleman agreement to run the below specifications at club level.




1/10th Scale :


Any Four-wheel drive, 190mm touring chassis on the market is allowed. Chassis must have independent suspension on all four wheels.
Each driven wheel must have a flexible joint, eg: dog bone/s or universal joint/s in its drive shaft. Drive train and suspension design is free from restriction.
Flat Pan (1/12th and 1/10th Track Style) chassis are not allowed.
The Chassis must not be shaped to gain an aerodynamic advantage In principle the underside of the chassis must be flat and parallel to the ground along the entire length of the body-shell. Aerodynamic shaped parts (splitters / diffuses /tunnels/etc)are NOT be fitted to the chassis.


Motor :

As of 24/06/2023, we have implementing a change of motor rules for the GT class for SERCCC.

All currently BRCA and ROAR approved, fixed timing and adjustable timed motors will be allowed to be used in the class.
This will bring the option of motors to be "OPEN" for all competitors. Any list approved 17.5T motors allowed.


Motor Modifications:

               Although, NO! modifications are allowed in any way at all. This includes any enhancements, improvements, tuning up, shimming, ceramic Bearings and winding alterations.
The Motor to be run is out of the box as is and tampering in any way at all is NOT ALLOWED!.

               General cleaning of motor and lubing of original bearings is allowed. 

 Gearing :
Gearing - This will be open choice to accommodate the motor brand chosen.

 Body Shell :
2 Door GT1, GT2, GT3 & GT4 Style Bodies ONLY - 190mm 


               No Additional Aero packages Allowed On The Body. Manufacturer std out of the packet.

Example Of Bodies, Not Allowed:
Porsche 962 style bodies or LeMans LMP1 and LMP2 style. 

               No fantasy or concept vehicles. If it’s not a car brand used in GT, it’s not legal.

Eligibility of new shells will be at the discretion of the rules committee.
Current shells available in the market are currently allowed.

Tyres :

Any brand 36 shore Rubber tyres. (24mm)

Batteries :

Any 2 cell Hard-cased approved 7.4 Lipo packs as listed on the ROAR or EFRA websites.


Weight :

Minimum weight 1320 grams 



Updated: 25/06/2023

SERCCC AMGT One body Race Series incorporated in with the GT class. 

All rules apply as per listed above apart from the requirement to run the PITLANE AMGT V2 body shell.
Points will be allocated to all drivers participating in this body class within GT.

At the end of the series, First, Second and Third will be awarded gift vouchers which then can be used against any purchase from R.A.B. Hobbies.

Any questions, please don't hesitate to contact Ren at R.A.B. Hobbies via the Facebook page.


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