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About LC Torana GTR-XU-1
LC GTR-XU-1

SPECIFICATION LC GTR XU-1
Make Holden
Year 1970
Price
Weight 2270 lbs (1030 kg)
Cylinders Six in line
Bore & Stroke 3.625 inch x 3.00 inch (85.85mm x 76.2mm)
Cubic capacity 186 c.i.d. (3048 cc).
Compression ratio 10.0:1
Valves Overhead
Camshaft Single
Carburation 3 x 150 CDS (1.5 inch) (38.1 mm) Zenith sidedraughts.
Fuel pump Mechanical
Power at RPM 160 bhp (119.3 kw) @ 5200 RPM
Torque at RPM 190 lb/ft (258 Nm) @ 3600 RPM
Transmission type Four speed manual all synchro.
Ratios:
1st 3.428:1
2nd 2.156:1
3rd 1.366:1
4th 1.00:1
Rev 3.317:1
Final drive ratio 3.36:1 LSD 308:1 LSD (optional).
Construction type Unitary.
Front suspension Independent short and long arm type, coil springd, shocks absorbers and anti-roll bar.
Rear suspension Four link type, coil springs and shock absorbers.
Steering type Rack and pinion. 3.3 turns lock to lock
Turning circle 36.5 ft (11.12 m)
Fuel tank capacity 17 gallons imp. (77.28 lt).
Front brakes 10 inch (254 mm) dia discs power assisted.
Rear brakes 9 inch (228.6 mm) dia drums power assisted with tandem booster.
Wheel base 100 inches (2540 mm).
Length 172.7 inches (4356.5 mm).
Front track 52.2 inches (1325.8 mm).
Width 63 inches (1600.2 mm).
Height 54 inches (1571.6 mm).
Fuel consumption 18 miles per gallon average (15.69 lt/100 km).
In gears speed:
1st 36 MPH (49.8 KPH).
2nd 58 MPH (86.9 KPH).
3rd 93 MPH (136.8KPH).
4th 125 MPH (170.5 KPH).
Wheels & tyres 13 inch (330.2 mm) x 5.5 inch (139.7 mm) JJ steel rims B70H x 13 inch 4-ply tyres. Standing quarter mile elapsed time - 16.1 sec average. Engine block recognition - ( Engine No followed by) X


Oct 1969 -

GTR is introduced as part of the Torana LC range.

19 Aug 1970 -

GMH releases a news-letter to the dealers introducing the LC GTR XU-1

Aug 1970 -

C.A.M.S. acknowledges the GTR XU-1. 1433 units were built by November 1970.

3 Sep 1970 -

Service bulletin to the dealers from GMH with modifications to existing XU-1s. New axle tube baffles, and new camshaft.

21 Sep 1970 -

Service bulletin to the dealers from GMH with modifications to existing XU-1s. Rear suspension bump stop alteration, clutch disc and pressure plate modifications, brake booster vacuum hose re-routing.

28 Sep 1970 -

Service bulletin to the dealers from GMH with modifications to existing XU-1s. Modifications to front suspension alignment settings, modified baffle in fuel tank, plus new wheel spacers. Instructions to reshape the fender lip inwards on wheel arch to accommodate larger tyres,

25 Nov 1971 -

Service bulletin to the dealers from GMH with modifications to existing XU-1s. Modifications to the lower control arms for competition purposes.

16 Aug 1971 -

C.A.M.S. acknowledges new camshaft, carburettor needles and exhaust system on the LC GTR XU-1 for a minimum batch of 200 special units. ('Bahturst Specials').

19 Jan 1972 -

C.A.M.S. acknowledges the LJ GTR XU-1 with the new 202 (3310 cc) motor, with bigger carburettors and new camshaft.

3 Feb 1972 -

C.A.M.S. acknowledges the changes made to the track measurement of LJ GTR XU-1.

1 Jul 1972 -

General Motors Holden puts forward a submission to C.A.M.S. to change the final drive configuration to a Detroit non-spin differential.

10 Aug 1972 -

C.A.M.S. acknowledges the new "Sprintmaster" alloy wheels and new spacers for the GTR XU-1.

29 Aug 1972 -

C.A.M.S. acknowledges the update to the LJ GTR XU-1 model with a run of 200 units (Bathurst Specials), with heavy duty springs, lightened flywheel, new camshaft "HX" and a optional 3.55:1 final drive ratio.

15 Jun 1972 -

C.A.M.S. acknowledges new optional gear box ratios.

14 Jul 1973 -

C.A.M.S. acknowledges new piston assembly and intake manifold.

15 Aug 1973 -

C.A.M.S. acknowledges the following modifications to the updated 1973 GTR XU-1s:
  1. New port openings to intake manifold to suit carburettors.
  2. New cylinder and case assembly.
  3. New connecting rods and big end nuts and bolts.
  4. New bearings and pistons.
  5. Flywheel assembly.
  6. New harmonic balancer and revised radiator fan.
  7. New cylinder head assembly and larger intake valves.
  8. Tubular exhaust manifold.
  9. Fine spline axles.

23 Aug 1973 -

General Motors Holden publishes the new part numbers for dealers.

28 Sep 1973 -

General Motors Holden publishes the last 150 Torana XU-1 engine numbers (Bathurst Specials). No more GTR XU-1s were produced.

Oct 1973 -

General Motors Holden releases to dealers special service bulletins for the new "Bathurst Specials" Torana GTR XU-1.
SOME FACTS:

1,433

 LC GTR XU-1s were produced to August 1970.

200

 LC GTR XU-1s (Bathurst Specials) produced around Aug 1971.

1,317

 LJ GTR XU-1s produced Jan-July 1972.

200

 LJ GTR XU-1s (Bathurst Specials) produced Augt - Sept 1972.

150

 LJ GTR XU-1s (Bathurst Specials) produced by end of Aug 1973.

1,633

 Total number of LC GTR XU-1s produced

1,667

 Total number of LJ GTR XU-1s produced

3,300

 Total of LC GTR XU-1s and LJ GTR XU-1s produced
(figures are approximate)


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