Quote Originally Posted by dave w View Post
I'm thinking the original ECM was 16171199. The wiring diagrams for ECM's 1227747, 1228747, and 16171199 are nearly identical. I would tune the 1228747.

http://www.gearhead-efi.com/Fuel-Inj...Information-4F

dave w
Since this thread is sorta about the 8747 and you're a moderator, why is the 8747 thread at the top of the page a sticky? Just curious...