Search found 5 matches

by Bart Lalonde
Wed Jun 24, 2009 2:40 pm
Forum: O-320 / O-360 / O-540
Topic: ECI angle valve cylinders
Replies: 24
Views: 38770

375

CJ Very close to the A1B6. Minor differances.
by Bart Lalonde
Wed Jun 24, 2009 10:43 am
Forum: O-320 / O-360 / O-540
Topic: ECI angle valve cylinders
Replies: 24
Views: 38770

375

CJ the 375 crankshaft isn't available in a counter weighted version yet. I would like to be able to build them with counter weights. Maybe if we put more pressure on good old Glen at ECI, he will make it happen.
by Bart Lalonde
Mon Jun 22, 2009 8:59 pm
Forum: O-320 / O-360 / O-540
Topic: ECI angle valve cylinders
Replies: 24
Views: 38770

375

CJ, BMEP stands for brake mean effective pressure. This is the average pressure in the cylinder during the power stroke. The standard 8.5-1 Lycoming has a peak pressure of about 750 PSI and a BMEP of 150 PSI or so. Add 10-1 CR and peak goes over 1000 PSI and BMEP goes to 155 PSI plus. This is why th...
by Bart Lalonde
Mon Jun 22, 2009 6:27 pm
Forum: O-320 / O-360 / O-540
Topic: ECI angle valve cylinders
Replies: 24
Views: 38770

375

Hello CJ. I am not sure if you are going injected or carburater, but if it is injection and you are interested in a non scoop lower cowl we can build a low compression (8-1 CR) IO-375 with the forward facing cold air induction. This engine make 200 plus HP. It has a BMEP of about 160 PSI, so it is n...
by Bart Lalonde
Mon Jun 22, 2009 10:55 am
Forum: O-320 / O-360 / O-540
Topic: ECI angle valve cylinders
Replies: 24
Views: 38770

375

Hello all, I am usually just a lurker on this site but thought I better chime in on this thread as the 375 is one of my pet projects. We have built about 45 of the 375,s so far. They have gone into RVs, Glastars, Super Cubs and a few other home builts. We have a good supply of components for these e...