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Thread: Optimax air rail dump hose
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07-16-2019, 06:34 AM #1
Optimax air rail dump hose
Anybody just dump the air under the skirt? Putting on a x mid, but wondering if it's really necessary to drill and tap it to dump with the hot water.
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07-16-2019, 07:27 AM #25000 RPM
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I haven't done it but that famous optimax air pump noise is magnified by five if u let it dump like that. Early optimax motor had it ran back into intake plenum
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07-16-2019, 10:50 AM #35000 RPM
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Yea I messed up when i did mine, I just drilled a hole in the floor of the lower cowl and have it exit there. You can here the puffing of the air but the engine is so loud to begin with I don't think it affects much.
https://www.screamandfly.com/showthr...995-175-carbed
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07-16-2019, 11:39 AM #4
That the info I was looking for, thanks! Going to drill and tap.
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07-16-2019, 11:48 AM #55000 RPM
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did this image help you? You talking about a 2.5L right? Small mistake two red circles on the lower pictured silver plate should be on the upper two holes but doesn't really matter as it all dumps into the same area.
Last edited by Fishinmymission; 07-16-2019 at 11:52 AM.
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kct11 thanked for this post
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07-16-2019, 12:57 PM #6Supporting Member
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kct11 thanked for this postFishinmymission liked this post
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07-16-2019, 07:59 PM #7
Now that I am home and looking not sure where to dump it. Is it supposed to go in with the exit water, or catch a cavity that is exhaust?
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