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Old 05-25-2003, 03:12 AM
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Post propane and ignition?

would rearking/playing with my distributor(weights and springs) help get me more power out of my 1997 318 on propane.

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Old 05-25-2003, 05:57 AM
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Propane is very high octane (compared to pump gas) and could use a little more initial advance as well as a quicker curve. If the engine was specifically built (higher compression,etc.) for propane, which most aren't, it would be of little advantage because of the gaseous nature of the fuel. Along the same effects of high swirl heads, propane eliminates any uneven mixture that gasoline has.

[ May 25, 2003: Message edited by: woodz428 ]</p>
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Old 05-25-2003, 03:56 PM
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Yes yes yes!!!!
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Old 05-25-2003, 04:23 PM
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I've advanced my ignition timing a little to compensate for the power loss when switching to propane from gas. A cold air feed to the air filter intake will also help.
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Old 05-26-2003, 09:10 PM
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that makes alot of sense thaks!
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