Author: Jose

Porsche 911 CIS Parts Cleaning

Porsche 911 CIS Clean Up

After tearing down the rest of the CIS, there was plenty of clean up work to do before figuring out what needed replacement.

Porsche 911 CIS Teardown

Porsche 911 CIS Teardown

After blueprinting my cast aluminum CIS airbox, let’s teardown the remainder of the CIS assembly and see what we have going on.

Porsche 911 Cast Aluminum CIS Airbox

911 Aluminum CIS Airbox Rebuild

After tearing down and evaluating my cast aluminum CIS airbox, let’s cover my modifications, rebuild, and testing for this unit.

Porsche 911SC CIS

CIS Improvements

Porsche 911 CIS has a few key weaknesses that I believe can be addressed easily to result in a significantly more robust fuel system.