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Do you really get a cylinder to cylinder or bank to bank difference in AFR with a port injected EFI motor?
It would seem that each injector, with the same BPW, off the same sized/length runner would have a nearly identical AFR. I can see that with a carb or TBI setup or just spraying fuel into a large plenum but not with port injection. |
Originally Posted by Whipple Charged
(Post 3732776)
But if its a stock motor, stock pistons, we would go to 11.6 to 11.8:1. Cast iron needs to be .5 or more richer at WOT, same for idle and cruising.
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Interesting conversation, so on my 502mpi with aluminum heads and a side mount whipple at 6lbs of boost, my wide band says 10.5 WOT. From what is being stated I am to rich. Should I put the next size smaller pulley on and check it then to lean it out some to try and get to 11.6 - 11.8 AFR? Or try to lower the fuel pressure to lean it some?
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Has anyone put a wide band on a bone stock set up of say a 502 efi? What were the numbers?
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