Quote Originally Posted by CDeeZ View Post
Hi dave,

I converted it to a 7427. It had some weird ECM service number I don't recall ever seeing before, basically same as 747 IIRC?
You have the option to tune with a Wide Band O2 Sensor (WBO2) with the 16197427 type PCM; http://www.gearhead-efi.com/Fuel-Inj...g)-Spreadsheet

That's how I would tune your engine.

dave w