Originally Posted by PLUM_72
I am assuming there are headers on the engine. Those with EFI experience, are your typical headers sealed well enough for adding an O2 sensor? Or are we also talking header upgrade to a premium header with O2 bungs already installed?


Most headers should be fine for EFI. Race headers with slip tubes are a problem but street headers should be okay. The O2 bungs can go in the head pipes rather than in the collector. The harness from the Sniper should be long enough to reach down to the head pipes.