Specification

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A rare late-model Mk2 with uprated gearbox, J-type overdrive and many unique features, with mostly in-period modifications.

1970 TRIUMPH GT6 Mk2 - Registration FHN548J
MANUFACTURED 5th August 1970
FIRST REGISTERED 14th January 1971
CHASSIS / BODY KC81893 / 76092KC
ENGINE 1972 Rebuilt 2.55 Litre Straight 6; Spin-off Oil Filter; Alloy water pump housing.
Produces approx. 106bhp of power at 4700 rpm and maximum torque of 139 lb.ft at 3000 rpm.*
Number MG52078-HEBW.
CARBURETTORS Rebuilt Twin Stromberg CD150s; K&N Filters.
IGNITION New 123TUNE+ programmable (via bluetooth) electronic distributor (tachometer converted to electronic).
Incorporates an integrated engine immobilizer securing the car with a state-of-the-art anti-theft system! 
GEARBOX Rare uprated (heavier duty components) lightweight (alloy casing) built by Mike Papworth to take later overdrive as below. Number KC81742LW-MJP.
OVERDRIVE Laycock J Type, tested by Mike Papworth.
Number 25/115840 002322 (Ratio 25%).
DIFFERENTIAL 3.27:1 - Type D - (Stronger crownwheel carrier fitted)
Number FH64084, rebuilt by Mike Papworth.
FUEL SYSTEM Mostly ethanol proofed : Copper pipe throughout, flexible stainless steel braided PTFE couplings at carbs, Gates 'Barricade' pipes at rear and to fuel pump, ECO Hydrin carburettor diaphragms.
COOLING SYSTEM Radiator professionally reconditioned with a new, modern, uprated 25-fins-per-inch core.
REAR SUSPENSION Rotoflex (new genuine Metalastik couplings), rebuilt by Mike Papworth.
Spax adjustable dampers.
FRONT SUSPENSION Rebuit with racing spec. vertical links.
Koni adjustable dampers.
BRAKES

Front : Girling calipers rebuilt by Biggred; Mintex M1144 pads. Rear : Standard, all new parts.
Lockheed Servo Assistance. New brake lines throughout (Automec Copper). Earl's stainless braided brake hoses. Automec Silicone DOT 5 Brake & Clutch Fluid.

WHEELS GB (Minilite type) Alloys 5½ x 13.
TYRES Dunlop 175/70R13 82T  StreetResponse 2.
ELECTRICS New uprated 60amp Alternator. New, custom made wiring loom.
Modern blade type fuse box (with relays). New high-torque starter motor by WOS Performance.
New FIAMM twin trumpet air horns.
INTERIOR Spitfire 1500 Luxury Pack Reclining Seats & Headrests; New period 'Britax' type inertia reel seat belts; Moto-Lita steering wheel; Newton Commercial carpets, headlining & door cards.
LIGHTS H4 Halogen headlights with LED Daytime Running Lights as pilots wired to dim when headlights used;
Additional rear stop lamps (USA Spec).

* Based on Triumph 2500TC. The GT6 Mk2 originally produced 104bhp at 5300rpm and maximum torque of 117 lb.ft at 3000rpm (Motor).