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SB 1000 #1 Cylinder Head Core Plug Leakage- Revised 7-9-76 (3 pages)
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PB 1000-2 Changes to Clutch Components 11-3-76 (1 page)
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SB 1000 #13 Recall to Replace Rear Brake Pads 3-21-78 (5 pages)
SB 1000 #14 Cylinder Head Bolt Torque Change 11-8-78 (1 page)
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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Runner length
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<blockquote data-quote="mcgovern61" data-source="post: 138971" data-attributes="member: 59"><p>I like reading about the single carb stuff and watching everyone work through the issues and decided that I wanted to know what my OEM runners were doing while running. Get out the old thermal gun to test temps and was surprised! Ambient garage temp of 62 degrees, the temp at the top of the OEM runner at the boot was 54 degrees. Check at the intake flange right at the head (warmed up engine) and it is still 54 degrees!</p><p></p><p>The fan came on and I waited for the fan to cycle off and even with the heat shield, the front runners temps on #1 and #2 went up to 72 degrees but the #3 and #4 runners only went up to 64 degrees. Just a curiosity, when the bike is on the road in 40 degrees weather, it would seem that the front runners always get warmed from radiator heat better than the back runners.</p><p></p><p>I guess I was more surprised that even with the engine running at 195 degrees F at the heads, the intake runners still remained between 54 to 72 degrees right at the intake flange.</p><p></p><p>I don't know if that is useful information or not, but it was a fun thing to do on a very cold winters night! :yes:</p></blockquote><p></p>
[QUOTE="mcgovern61, post: 138971, member: 59"] I like reading about the single carb stuff and watching everyone work through the issues and decided that I wanted to know what my OEM runners were doing while running. Get out the old thermal gun to test temps and was surprised! Ambient garage temp of 62 degrees, the temp at the top of the OEM runner at the boot was 54 degrees. Check at the intake flange right at the head (warmed up engine) and it is still 54 degrees! The fan came on and I waited for the fan to cycle off and even with the heat shield, the front runners temps on #1 and #2 went up to 72 degrees but the #3 and #4 runners only went up to 64 degrees. Just a curiosity, when the bike is on the road in 40 degrees weather, it would seem that the front runners always get warmed from radiator heat better than the back runners. I guess I was more surprised that even with the engine running at 195 degrees F at the heads, the intake runners still remained between 54 to 72 degrees right at the intake flange. I don't know if that is useful information or not, but it was a fun thing to do on a very cold winters night! :yes: [/QUOTE]
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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Runner length
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