Maximum advance

[Bruce]

Probably a waste of BW, but, chamber polishing / smoothing is a well kept
secret.
Bruce


> BUT--heat transfer to the piston crown and chamber walls, both convective
> and radiative, is, in fact, _quite_ significant, especially while near
TDC.
> I would hazard a guess that it can account for somewhere between 10 and
20%
> of the total heat input value of the fuel. Which is precisely why piston
> and chamber polishing and thermal barrier coatings make a significant
> difference in performance--both in terms of torque/power output and BSFC
> (fuel efficiency).
> Greg


----------------------------------------------------------------------------
To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org