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I'll try sending a message to rich and ask him about what he does.

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But with port EFI, can't you just adjust every cylinder seperatly with sequential injection?




Yes, in theory. However I wasn't planning on having the capability of individual cylinder datalogging.




Stuff like that becomes information over load. I try to avoid that much with efi.

He stated that with the injectors below the blower, the engine is a lot happier, responsive, and easier to keep in tune. Obviously a poor intake or poor distribution from the blower isn't going to get better with efi, but you can read the plugs and account for your leanest one and go up on the whole map, or fix the distribution issue, or both. You just don't want to be too lean anywhere. If its a little richer on some, it will survive, but not lean. I had some distribution issues on my normally aspirated bug catcher efi Hemi, and choose to add a spacer and do some grinding. Ok, actually, lots of grinding to get more air to certain cylinders, and it helped a lot. I changed nothing on the efi to compensate for the difference cylinder to cylinder, just went after it like you would on any carburated engine.

Last edited by Dragula; 04/10/12 04:50 PM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk