Performance Numbers

1987 PORSCHE 928 S4

151,400 miles

Stock 5.0L engine and engine management

Power adder : AutoRotor "TwinScrew" Supercharger and intake manifold/intercooler from www.928supermodel.com

These are my latest "performance numbers" for the car.

Dyno is a Dynojet at SliverState Motorsports. (4-15-05)

The Data logging is from an LM-1 and LM-3 wide band O2 sensor and data logger (4-15-05)

0-60 times are from a GTECH Pro RR (4-8-05)

The 1/4 times are from the drag strip here in Vegas. (4-8-05)

Car was ran in all situations as driven daily, pump gas (91) and street tires.

Dyno chart from 4-15-05

402.22 RwHp & 374.49 RwTq

Data logging of the 402 RwHP pull

0-60 times and others

(On the same tune as above)

This is a chart of the Accelleration G's

(taken from the 0-60 and 1/4 mile runs)

(On the same tune as above)

Actual times slips

(On the same tune as above)

402.2 Rwhp & 374.49 Rwtq

0-60 in 4.4 sec

1/4 mile in 12.912 @ 109.39

Top speed ???

Got boost?