Emission control
Closed cooling system Antifreeze protection down to -30 C Forced-feed circulation lubric. with sickel-type gear pump Oil cooler in air stream with thermostatic control 2 electr.pumps EKP 4 -i tank-Integrated pump Three-way catalytic conv. with secondary air injec. Values in brackets without catalytic converter C at EC c tv test Average A f 9,8 10,0 12,0 11,9 20,7 20,8 14,2 14,2 Values in brackets without catalytic converter 9,8 9,1 11.9 10,2 18,8 18,9 13,5 12,7 Manual transmission Automatic...
Info Ios
This Model information gives a detailed overview of the modifications introduced for the eight cylinder Porsche vehicles Important modifications for Model Year 1992 New model designation 928 GTS Displacement increased to 5397 c.c. Output raised to 257 kW 350 HP Clutch with increased contact force Reinforced manual transmission with oil cooler iri front end Revised automatic transmission with adapted shift program New 17-inch wheel generation Cup - design The part numbers published In this...
Running Gear
The track width of the rear axle was increased from 1546 mm to 1616 mm To achieve this wider track, a 38 mm spacer is fitted on the left-hand and right-hand side of the vehicle. The rim offset of the wheel is reduced by 2.7 mm to result in an overall track increase of approx. 70 mm The front brakes are enlarged to account for the improved output of the vehicle. The brake disc diameter now is 322 mm was 304 mm . The brake disc incorporates involute-type vent slots. The brake caliper was modified...
Modifications to the FourSpeed Automatic Transmission A2818
1 - Torque converter adapted to engine output 2 - Reinforced ATF pump with plain bearings 3 - Reinforced drive pinion bearing assembly 4 - Drive pinion and ring gear with ground tooth faces 5 - Drive pinion nut tightening torque 450 Nm 6 - Modified friction discs for Porsche limited-slip differential 7 - Reduced transmission oil capacity of final drive 1.9 liters 8 - Downshift program 4th - 3rd gear 9 - Operating pressure 15.8 1 bar 10 - Modulating pressure 4.4 0.05 bar 11 - Regulator pressure,...
Porsche 928gts 5 4 G28 57
Modifications to Transmission Housing and Rear Cover The transmission housing now features fittings for the connection lines to the radiator in the front end of the vehicle. Modified Transmission Breather Location The transmission breather in the upper transmission cover has been discontinued and is now replaced by a newly developed breather in the rear part of the transmission arrow . Observe correct installation position When seen in the direction of travel, the vent hole must point to the...