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How is people getting big power out of propane
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<blockquote data-quote="altfuel1991" data-source="post: 227566" data-attributes="member: 1211"><p>Making good power on propane is like any other fuel. It is choosing the right parts for your engine and tuning it properly. A single mixer(300, 425, X450) all will supply enough fuel and air for 325-350 horsepower up to about 5000 rpm on a 350 smallblock. It will still spin up past 5000 rpm but will not make any added power. The larger the engine the lower the rpm that the engine will run out of air. Think of a single mixer like a two barrel carburetor. Dual mixers will supply enough fuel and air for 650-700 horsepower and any rpm you want to spin your engine up to. You can over 650 horsepower and still not have any wires, sensors, computers or headaches. </p><p></p><p>The larger Impco mixers are not a good choice as they are designed for very large engines(such as 1200c.i. V12) that have a huge vacuum signal for low rpm stationary operation. They would not work well on an engine that goes through a wide rpm operation. Think of it like putting a 1150 dominator on a street motor. They are also very expensive.</p><p></p><p>The photo is Tim Cantrell's rig running a 383 stroker that dynoed at 565 hp and had a killer torque curve that started around 1800 rpm. It was interesting at one of the Gray Rock XTERRA event when the weather changed and several of the guys running fuel injection were fighting driveability problems. Propane mixers are designed to be self adjusting and simple.</p><p></p><p>I have been in the conversion business for 21 years. Call me if you need help.</p><p> </p><p>Buddy Gamel</p><p>Precision Sales & Service, Inc.</p><p>451 64th Place South</p><p>Birmingham, Ala. 35212</p><p> </p><p>877-403-7827</p><p>205-591-2267, fax</p><p> </p><p>bgamel@alternatefuel.com</p><p>bgamel@workhorseservice.com</p><p><a href="http://www.alternatefuel.com" target="_blank">www.alternatefuel.com</a></p><p><a href="http://www.workhorseservice.com" target="_blank">www.workhorseservice.com</a></p></blockquote><p></p>
[QUOTE="altfuel1991, post: 227566, member: 1211"] Making good power on propane is like any other fuel. It is choosing the right parts for your engine and tuning it properly. A single mixer(300, 425, X450) all will supply enough fuel and air for 325-350 horsepower up to about 5000 rpm on a 350 smallblock. It will still spin up past 5000 rpm but will not make any added power. The larger the engine the lower the rpm that the engine will run out of air. Think of a single mixer like a two barrel carburetor. Dual mixers will supply enough fuel and air for 650-700 horsepower and any rpm you want to spin your engine up to. You can over 650 horsepower and still not have any wires, sensors, computers or headaches. The larger Impco mixers are not a good choice as they are designed for very large engines(such as 1200c.i. V12) that have a huge vacuum signal for low rpm stationary operation. They would not work well on an engine that goes through a wide rpm operation. Think of it like putting a 1150 dominator on a street motor. They are also very expensive. The photo is Tim Cantrell's rig running a 383 stroker that dynoed at 565 hp and had a killer torque curve that started around 1800 rpm. It was interesting at one of the Gray Rock XTERRA event when the weather changed and several of the guys running fuel injection were fighting driveability problems. Propane mixers are designed to be self adjusting and simple. I have been in the conversion business for 21 years. Call me if you need help. Buddy Gamel Precision Sales & Service, Inc. 451 64th Place South Birmingham, Ala. 35212 877-403-7827 205-591-2267, fax bgamel@alternatefuel.com bgamel@workhorseservice.com [url=http://www.alternatefuel.com]www.alternatefuel.com[/url] [url=http://www.workhorseservice.com]www.workhorseservice.com[/url] [/QUOTE]
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