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Special Consumer Report: 1984 and 1985 GW Rear Hub
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Classic Goldwing Technical Forums
GL1200
1985 GL1200 Limited ECU Replacement/Upgrade - Part 2
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<blockquote data-quote="Rednaxs60" data-source="post: 228751" data-attributes="member: 4617"><p>Still waiting on fuel injector info - shop is progressing, but have decided to connect and go tomorrow. Tomorrow should be a good engine start, followed by VE table adjustment for a smooth base idle. Next will be a spark (ignition advance) table adjustment. If I have time, will look at the coil dwell and spark duration. Have to get some gas as well.</p><p></p><p>Been researching individual cylinder fuel trim (ICFT) and individual cylinder ignition trim (ICIT) - popped up on the Speeduino forum. Interesting concepts. ICFT is available for sequential fuel injector staging, but ICIT is not available for the Speeduino ECU. </p><p></p><p>ICFT is interesting because you could make a case that carburetor and engine cylinder bank (FI models) synchronization is actually a fuel trim procedure. This synchronization is all about fuel management at engine idle. I have been putting together a document reflecting this, heresy you say.</p><p></p><p>There is always an engine tuning parameter that I come across that needs to be researched and understood. I have mentioned that the better I know the requirements, the better will be the end result.</p><p></p><p>More to follow.</p></blockquote><p></p>
[QUOTE="Rednaxs60, post: 228751, member: 4617"] Still waiting on fuel injector info - shop is progressing, but have decided to connect and go tomorrow. Tomorrow should be a good engine start, followed by VE table adjustment for a smooth base idle. Next will be a spark (ignition advance) table adjustment. If I have time, will look at the coil dwell and spark duration. Have to get some gas as well. Been researching individual cylinder fuel trim (ICFT) and individual cylinder ignition trim (ICIT) - popped up on the Speeduino forum. Interesting concepts. ICFT is available for sequential fuel injector staging, but ICIT is not available for the Speeduino ECU. ICFT is interesting because you could make a case that carburetor and engine cylinder bank (FI models) synchronization is actually a fuel trim procedure. This synchronization is all about fuel management at engine idle. I have been putting together a document reflecting this, heresy you say. There is always an engine tuning parameter that I come across that needs to be researched and understood. I have mentioned that the better I know the requirements, the better will be the end result. More to follow. [/QUOTE]
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Classic Goldwing Technical Forums
GL1200
1985 GL1200 Limited ECU Replacement/Upgrade - Part 2
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