| Competition Page | 1962 PCS Book |
Manufacturer: MG Class: G Model: Midget ------------------------------------------------------------------------------ DESCRIPTION: 2-Seater Roadster Dry Weight: 1280 lbs ------------------------------------------------------------------------------ ENGINE: Type .............. BMC Type A OHV 4 cyl in line Bore & stroke ..... 63mm x 76mm Capacity .......... 948 cc Comp ratio ........ 9:1 Head material ..... Cast Iron Port size ......... Intake: 26mm, Exhaust 25mm Piston material ... Aluminum Piston weight ..... Timing data: Intake .... Open 5°BTDC, Close 45°ABDC Exhaust ... Open 51° BBDC, Close 21° ATDC Valve lift: ....... 7.97mm Valve head dia: Intake .... 29.36mm Exhaust ... 25.4mm Valve spring ...... 52 lb @ 1.2968", 85 lb @ 1.012" Carburation ....... Two SU H2 ----------------------------------------------------------------------------- TRANSMISSION AND DRIVE TRAIN: Ratios: 1 3.2 2 1.916 3 1.357 4 1.0 5 Final drive ratios: 3.73:1, 3.909, 4.22:1, 4.55:1, 4.875, 5.375 ------------------------------------------------------------------------------ CHASSIS Wheelbase ................... 80" Track dimension, front ...... 45-1/4" Track dimension, rear ....... 44-1/4" Shock absorber .............. Lever Steering ratio .............. 2-1/3 turns Brakes ...................... Tire size ................... 5.20 x 13 ------------------------------------------------------------------------------ APPROVED OPTIONAL EQUIPMENT Close ratio gear box (Q.2354) Anti-roll bar (Q.2315) Large sump (Q.2341) Front springs (Q.2334) Rear springs (Q.2335) or (AHA5468) Fuel tank (Q.2336) Exhaust mainifold (Q.2345) or (AHA5448) Electric fuel pump (H.3592)(AUA-56) Competition exhaust system (Q.234/2347) Crankshaft-Sebring type (Q.262/2629) Crankshaft (AEA 440) Alfin brake drums (Q.2491) 8" front brakes (Q.2353) Disc brakes (Q.2337, Q.2549, Q.2552) Pistons (2A.946) Valve springs (2A.950, AEA401) 2 x 1-1/4" SU carburetors (Q.2343) 2 x 1-1/2" SU carburetors (Q.2504/5) Manifold (Q.2344) Cylinder head (Q.2302) Oil cooler (Q.2342) Cold air box (Q.2350) Polished connecting rods (Q.2346) Flywheel (Q.2348) or (AEA 408) Clutch (Q.2349) or (AEJ 31) Distributor (2A.951) Light weight seats (Q.2609) Wire wheels (Q.2424/31) Large inlet valves (Q.2494) Large exhaust valves (Q.2495) Exhaust valves (AEA 400) Camshaft (2A.948) In open 16°BTDC, close 56°ABDC; lift 0.31" Ex open 51°BBDC, close 21°ATDC; clearance 0.015" Camshaft (Q.2629) In open 20°BTDC, close 80°ABDC; lift 0.38" Ex open 50°BBDC, close 50°ATDC; clearance 0.015" Cylinder head Mk II Double valve springs (Q.2628) Limited slip differential (HAC23) Blanking sleeve (11G176) Valve spring collars (AEA 402-432)