Quote:
Originally Posted by supremeefi
I agree, I did a 427 windsor Ford, made 621 hp with 9.0:1 compression and an 8 stack, had 535lbft of torque at 3500rpm.
Being able to adjust timing helps a bunch. But I don't agree that you need a dyno, it's nice but not absolutely necessary imo.
And I know Greg had a bad experience but I do cals via the internet all the time, it makes a difference if you know what you're doing.
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Did you do that 427 with the EZ EFI or the XFI?