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Originally Posted by Bart Carter
If you set up both carb and efi right, there is no difference in power output.
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Maybe with Webbers you mite get close the EFI if you know how to tune them! With a carb ( 4 barrel) you'll always have 4 lean corners because of the runner length, put a EGT in all 8 EX and data log a run you'll see higher EGT in the 4 corners lower ( fat) on the other 4. With EFI you can tune your A/F ratio get all 8 EGTs in sync and that adds up to power fuel economy. You can also run a more accurate timing and a improved throttle response..