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Ginetta G40 Suspension Specs (Reference)

Toe

  • 1mm out at the front
  • 1mm in at the rear

Anti-roll bars / Sway bars

GRDC 2017 specs mandated as follows:

    • Front: inner hole (hole 1, stiff)
    • Rear: outer hole (hole 3, soft)

Ride height

GRDC 2017 specs mandated as follows:

  • 95 mm ground to body (minimum)

G40 Cup (formerly GRDC+) 2018 specs:

  • 90 mm ground to body (minimum)

Camber

GRDC 2017 specs mandated as follows:

    • Front: 3mm + 2mm shim per side
    • Rear: 3mm + 2mm shim per side

Shock absorbers / Dampers

GRDC coilover make: Protech 400 Series, one way

  • C-spanner: 1.9 inch
  • Shock absorber settings: 13 clicks available, hard (stiff) is clockwise
  • Springs front: 800 lb/in
  • Springs rear: 425 lb/in

GRDC+ / G40 Cup coilover make: Quantum One.Zero, Ginetta branded, one way, different front and rear

  • C-spanner: 68-75 mm with lug (e.g. Gedore available from Amazon). One full turn of the coilover collar is approximately 1 mm in ride height.
  • Shock absorber settings: 24 clicks available. Clockwise to set stiff. Adjust from stiffest to be sure of clicks. The rear shock is upside down compared to front, so the adjuster is at the top. The units are also marked as F and R (for front and rear).
  • Springs front: 800 lb/in
  • Springs rear: 425 lb/in
  • Front with C-Spanner

See also