Quote:
Originally posted by sharpel
What is the problem with the piston pin being up into the oil ring? Other than a potential for oil consumption are these issues significant enough to where you should stay away from these motors
|
Mel - my engine builder was more concerned with getting the best rod length/stroke ratio, more than hitting the
oil ring. As such we went with a 3.9" stroke, 6.25" rod length. This gives 398 cubes @ 4.030 bore.
My only concern was whether the oil consumption would be SO BAD that the amount of oil entering the combustion are would be sufficient to increase the chance of detonation. I was told that this wasn't a worry.
For what it's worth, my motor just spent THREE WEEKS on an engine dyno. I haven't even checked the dyno log, but suffice to say we really gave it a hard time and probably did 80 power runs, aong with numerous lower rpm full load pulls. In that time, it didn't use a single drop of oil....