WebThe compression ratio may be higher in engines running exclusively on liquefied petroleum gas (LPG or "propane autogas") or compressed natural gas, due to the higher octane rating of these fuels. Kerosene engines … Web17 de jan. de 2015 · Discussion Starter · #7 · Jan 14, 2015. blackeg said: the bone stock low compression will be or feel slower than your b18b especially when you get up in the …
UPDATE! - compression ratio for high-performace engines
Web3 de nov. de 2010 · The compression ratio of the engine is a pretty simple concept. You take a space 10 units big, you squeeze it to 1 unit, and that would be a 10 to 1 ratio. Normal cars like the Civic LX are... Web2 de mar. de 2012 · The big power motors are decompressed, and 12:1 is the normal compression on alot of builds now. However wrong on what keeps them running. A sniff of either gets them fired up and the 12:1 is enough to run diesel on. The turbo does nothing until alot higher rpm gets it pumping boost. ray cook gyro
Is high octane fuel a requirement for high-compression engines?
Web20 de fev. de 2005 · Excellent question. The short answer: Among other factors, cranking compression is not so much a matter of static compression ratio but effective compression ratio: cylinder volume at IVC (intake valve closing) vs. cylinder volume at TDC. There is more to it than that, but there is a useful empirical rule of thumb for … Web12 de nov. de 2012 · Re: 1098 low compression Vs. high compression. by youngcamper » Mon Nov 12, 2012 2:52 pm. bmcecosse wrote: The real problem is the hopeless tiny twin carbs - and the general state of the engine. Go HC with the 940 head (sink the valves slightly i you need to) and a good HS4 (or HIF38) carb on a good alloy inlet. WebAnswer (1 of 4): In order to clarify the question we have to distinguish between compression and compression ratio ( CR ) of an engine as well as between better … ray cook left handed putters