ULTIMA GTR

SPECIFICATION

Chassis

Full spaceframe using mainly 38mm x 1.5mm diameter tube MIG welded. Panelled in 1.5mm NS4 alloy sheet.

Body and Aero

Unstressed GRP finished in MacG Racing yellow gelcoat. Double element high downforce carbon fibre Reverie rear wing, MacG Racing front splitter and aero kit. Quick release fastners on bodywork and FIA dry break fuelling system and endurance specification 100 litre tank fitted.

Interior and Lighting

MacG Racing designed interior featuring Ultima seats with FIA approved harnesses, plumbed in FIA compliant extinguisher system, pit to car radio, Motec logging system, and MacG Racing designed switchgear. Interior finished in blue Alcantara trim as per MacG Racing design and specification. MacG Racing LED headlight system. On-board Lister airjack system. Driver drinks system available.

Suspension

MacG Racing designed TIG welded double unequal length wishbones with rosejoints front and rear. MacG Racing billet alloy uprights at the rear featuring a single piece drive spindle, with MacG Racing designed front uprights. Double adjustable custom design Quantum coil spring dampers. Fast camber adjustment front and rear.

Steering and Brakes

Alloy sports rack and pinion 2 turns lock to lock. 385mm vented disc brakes on the front and 320mm vented discs at the rear, with AP Racing six pot endurance spec callipers at the front and four pot callipers at the rear. Adjustable brake bias front to rear.

Engine and Gearbox

MacG Racing prepared Chevrolet 7 litre LS7 V8 with 3 stage dry sump and Motec M800 ECU with driver adjustable traction control, all custom built to MacG Racing specifications. Albins ST6-M fully sequential transaxle with Geartronics paddleshift system, adjustable LSD, dropgears, built in oil pump and filter, remote oil cooler and custom LS7 bellhousing. MacG Racing specification exhaust and air induction system.

Wheels and Tyres

10.5" x 18" front, 13." x 18" rear alloy single piece Braid wheels with centrelock system. Fitted with Dunlop racing slicks - 285/640R18 front 310/710R18 rear

Dimensions

Length                        4000mm
Width                          1850mm
Height                         1070mm
Wheelbase                 2600mm
Ground Clearance     50mm
Weight                         IRO 1100kg

THE BUILD >>>