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hey guys, im new to the forum and recently just bought a 97 f250 w/ a 460. Im curious about how much initial timing you guys are getting away with on both 87 and 93 octain. thanks for the help
On my 96' f250 with a 460 I took it from 10 deg up to 12deg on 87oct and the throttle respose was much better. I can't tell you hp numbers (butt) hp feels like a solid 10 hp. if you run higher oct you and go 12-15 deg base timing.