- #Best rollor cam 350 chevy 10.0 to one comprestion how to#
- #Best rollor cam 350 chevy 10.0 to one comprestion professional#
If it is not pure and contains reasonable amounts of Butane the octane will suffer. RE: Best compression ratio for propane? MikeHalloran (Mechanical) 15 Jul 06 22:33
To build a purpose-built engine, if you will, rather than using parameters in an engine designed for gasoline, and having those parameters compromise the efficiency of the propane engine. My goal here is to take advantage of the octane and gaseous fuel in an engine. Of course the camshaft makes a big difference, but I can swap a cam in an hour. For example a street driven gasoline engine is tunable up to about 11:1, an alcohol race engine likes 13:1 much better, a top fuel nitro-methane goes beyond that etc. I'd much rather start in the correct range. Let's face it though, changing the compression in an engine is time consuming and can be costly. I'm not looking for an exact compression number, that will be for me to determine with experimentation. An already gaseous fuel will not benefit from that. A tight quench will mix still liquified fuel much better before combustion. Vapor fuels have an inherent advantage in that they more easily mix with air and develop fewer pockets of unburned HC's." "The tradeoff is that tight quench areas can bring in pockets of unburned or not fully burned Hydrocarbons. RE: Best compression ratio for propane? vintageAP (Automotive)
#Best rollor cam 350 chevy 10.0 to one comprestion how to#
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
#Best rollor cam 350 chevy 10.0 to one comprestion professional#
Vapor fuels have an inherent advantage in that they more easily mix with air and develop fewer pockets of unburned HC's.Įng-tips, by professional engineers for professional engineers
The tradeoff is that tight quench areas can bring in pockets of unburned or not fully burned Hydrocarbons. Large open chambers have relatively low quench and need more ignition timing to develop the same combustion pressure than a small chamber and tight quench. The greater the quench action, the faster the turbulence and corresponding flame propogation action. Quench works to induce turbulence in the combustion chamber and it works with all fuels. If we were to say that ONLY 11.3:1 will work, you will have to build the engine around that CR, not the other way around. Both Pat and Kenre have a point, there is too much information needed to make a recommendation, but again, what is good for us may not be good for you, and frankly, thats not the purpose of this forum.
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