On another board there is an ongoing discussion about extra power and response being gained by using undersized crankpins and rod bearings(.020"). Everyone agrees that the smaller diameter will very slightly reduce bearing speed and possibly reduce friction or increase rpm range for the engine...
We have done quite a bit of experimenting with mixtures, timing etc. on the twin turbo, EFI, 340 Chrysler, and one thing that we have found that appears to be true is that the EGT makes a rather marked (+150 degrees F) increase at the point that the least fuel is being used at constant speed...
