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Classic Goldwing Technical Forums
Lighting & Electrical
1985 GL1200 Limited ECU Replacement/Upgrade
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<blockquote data-quote="Rednaxs60" data-source="post: 209556" data-attributes="member: 4617"><p>Have been looking into the differences between the MS units, as well as perusing the various threads to determine what will be the most economical way ahead, and which on could be tweaked for specific upgrades. The one upgrade I think would be beneficial would be coil-on-plug (COP) in place of the wasted spark system. This has been done on an 1100 with a Microsquirt unit. Keeping the bank-to-bank injection will be kept. I have also been perusing the various web sites and videos regarding this and the Microsquirt appears to be quite a powerhouse considering cost and features. It definitely has several advantages over the OEM ECU, but lets remember that the engineering and what Honda did back then is remarkable. </p><p></p><p>I have also read that the OEM injectors are oversize for the application. This is an interesting detail because the MS units allow you to tune the fuel injection and timing for better engine operation, and from what I can gather, compensate for this component.</p><p></p><p>The one question I have and have not been able to find the answer to is how the injector flow rate in cc (ml) per minute translates into what is required. The flow rate of the injectors for my bike is 65 ml/min (cc/min) at 40 PSI and this converts into approximately 6.2 lbs/hr. So with four of these, the flow rate in lbs/hr is 24.8 at 40 PSI. Don't know if I am correct, but it's the best I can come up with. Still searching for more info on this. </p><p></p><p>Thought I'd give a quick update.</p></blockquote><p></p>
[QUOTE="Rednaxs60, post: 209556, member: 4617"] Have been looking into the differences between the MS units, as well as perusing the various threads to determine what will be the most economical way ahead, and which on could be tweaked for specific upgrades. The one upgrade I think would be beneficial would be coil-on-plug (COP) in place of the wasted spark system. This has been done on an 1100 with a Microsquirt unit. Keeping the bank-to-bank injection will be kept. I have also been perusing the various web sites and videos regarding this and the Microsquirt appears to be quite a powerhouse considering cost and features. It definitely has several advantages over the OEM ECU, but lets remember that the engineering and what Honda did back then is remarkable. I have also read that the OEM injectors are oversize for the application. This is an interesting detail because the MS units allow you to tune the fuel injection and timing for better engine operation, and from what I can gather, compensate for this component. The one question I have and have not been able to find the answer to is how the injector flow rate in cc (ml) per minute translates into what is required. The flow rate of the injectors for my bike is 65 ml/min (cc/min) at 40 PSI and this converts into approximately 6.2 lbs/hr. So with four of these, the flow rate in lbs/hr is 24.8 at 40 PSI. Don't know if I am correct, but it's the best I can come up with. Still searching for more info on this. Thought I'd give a quick update. [/QUOTE]
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Classic Goldwing Technical Forums
Lighting & Electrical
1985 GL1200 Limited ECU Replacement/Upgrade
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