| Competition Page | 1969 PCS Book |
Manufacturer: Porsche Class: A Model: GTS/904 ------------------------------------------------------------------------------ ENGINE: Manufacturer ...... Porsche Type .............. DOHC 4 cyl opposed Bore & stroke ..... 3.62” x 2.91” Capacity .......... 1966 cc Head material ..... Aluminum Block material .... Aluminum Valve head dia: Intake .... 1.93” Exhaust ... 1.69” Carburation ....... Two Weber 46 IDM or 46 IDA ------------------------------------------------------------------------------ TRANSMISSION AND DRIVE TRAIN: Clutch Diameter: 8” Gearbox No. speeds forward: 5 Ratios: Std. Alt. Alt. Alt. Alt. Alt. Alt. 1 2.83 2.64 2.40 2 2.00 1.83 1.68 1.55 3 1.48 1.36 1.32 1.12 1.55 4 1.22 1.12 1.04 0.89 0.93 1.32 5 1.04 0.96 0.82 0.76 0.89 0.79 1.22 Overdrive Make & Model: None Ratio ....... Final drive ratios: 4.43, 6.29 ------------------------------------------------------------------------------ CHASSIS Wheelbase ................... 90.6” Track dimension, front ...... 51.8” Track dimension, rear ....... 51.7” Wheel Diameter .............. 15” Rim Width ................... 5” ------------------------------------------------------------------------------ BRAKES STANDARD ALTERNATE Front: 10.8” Disc Rear: 11.2” Disc ------------------------------------------------------------------------------ WEIGHT & CAPACITIES Official weight: 1430 lbs Radiator cap ...... Oil sump cap ...... 11 Qts (Dry) Fuel tank cap ..... 29 Gal Alt: ------------------------------------------------------------------------------ ALTERNATE SPECIFICATIONS 904.351.1004/1005 – Aluminum brake caliper – front 904.352.1004/1005 – Aluminum brake caliper – rear 904.351.1003 - 11.2” front disk brake