CNC Machining — porsche
Reverse-Engineering a Porsche 944 Throttle Body - part one
The stock bore on a Porsche 944 Throttle Body is roughly 55mm, which is fine for stock power (250HP on the Turbo S), but when it comes to building more power, we have no choice but to flow more air. Interesting enough, the opening of the stock intake manifold plenum is much closer to 65mm (obviously this is a 10mm difference). Now that might not sound like much... but 55mm vs 65mm is actually a percent difference of nearly 17%, which we think is a significant enough amount of potential airflow to look for an opportunity in redesign. Our plan is...