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Thread: water

  1. #16

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    Re: water

    Quote Originally Posted by beestoys View Post
    Understand
    Let me know what your results are.
    As a reference what are your ambient temps at daily.
    Here I see lots in the 80's at night and 112 during the day during summer months
    40's at night and mid 70's during the day.
    Thailand generally runs hot 12 months a year, it can dip to 18c at night for a very short time (like a few days) but is generally not the norm and extreme, usual 12 month range is 25c (considered cool) at night and 34c day time for maybe a couple of months a year the rest is 30c to 38c like it is now

    Arizona sounds very much like Florida for seasonal temps - been many times as I have a brother living there these last 40 years

    UK where I am originally from can be very cold - Thermostat country 100%

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  3. #17

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    Re: water

    Let me know your results. If it continues to track as you say. I may do a bit of experimenting myself.
    Route 191 formerly Route 666 Some say that this section of the
    road has 1100 curves in 95 miles.

  4. #18

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    Re: water

    Quote Originally Posted by beestoys View Post
    Let me know your results. If it continues to track as you say. I may do a bit of experimenting myself.
    was out on the road today after refitting my front wheel and it is running slightly cooler round the city - no cooler than highway driving so I'm feeling quite positive - the new MosFet RR is doing a great job too - a steady 14.3v rising very slightly with revs to 14.5v and the battery has been recovered without removing it from the bike and charging - very pleased

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  6. #19

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    Re: water

    Sounds very good. Beings S its a 99 8s it FI?
    What temp position are you seeing on your gauge.
    Route 191 formerly Route 666 Some say that this section of the
    road has 1100 curves in 95 miles.

  7. #20

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    Re: water

    Quote Originally Posted by beestoys View Post
    Sounds very good. Beings S its a 99 8s it FI?
    What temp position are you seeing on your gauge.

    well I don't have a temp I can only go by what I have seen over the years - motorway driving is about 1/4 guage which is what I saw today city driving, the usual pattern is up to mid rising then 1/4 from the top with fan on in city - they open road back to 1/4, big long run would give me a better picture - but big long run is not the problem - city driving is

  8. #21

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    Re: water

    Thanks
    That's what I was actually looking for. I'm analog as well 2000. Your historical norm matches mine as well. So looks like I'll be pulling my t stat as well and checking the results. Thanks very much for the info.
    Route 191 formerly Route 666 Some say that this section of the
    road has 1100 curves in 95 miles.

  9. #22

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    Re: water

    Quote Originally Posted by beestoys View Post
    Thanks
    That's what I was actually looking for. I'm analog as well 2000. Your historical norm matches mine as well. So looks like I'll be pulling my t stat as well and checking the results. Thanks very much for the info.

    Not sure of the effect in a colder climate or season - the cooling on the BB has always been an issue with excessive temp swings simply because there isn't the room for a large radiator and fan - you would never see that on a car which is better able to keep an engine well within a certain temp range, remember that the ECU uses the temp sensor to work out mixture - I think in a cold climate warm up time could be extended - I have no way of testing that, I would guess that the engine will still reach running temp possibly a little later, IMO the fan and radiator are the weakest link, the thermostat just opens like a dumb switch and has little influence apart from the first 10mins during a cold start

  10. #23

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    Re: water

    Yes I agree. During the winter months I'll put the thermostat back in. But if this model helps keep it down here in the summer it's worth the extra work. My temps are already in the low 100's now and soon it won't move much even at night. So if this tracks correctly it'll help me get an bit more out of my stators.
    I'm already running a larger radiator out of a cbr1000rr. I've effectively doubled my surface area and it does help some but even with dual fans I see temp indications on my gage in the upper part of the range. Now to be fair the inlets on the cbr1000rr radiator are only 25mm as opposed to the birds 28mm. But I'm in the process of rectifying that as well.
    I am also going to IR gun the upper rad port and compare it to the thermostat housing and possibly adjust my fan trip points. I have a digital fan controller that is adjustable. The temp pickup point is in the radiator next to the inlet port. Interestingly enough is the fact that the factory trigger for the fan is actually in the opposite tank. Putting it in the cooler side of the path. So I may also move that as well to get it to mimic the factory setup. The cbr1000rr doesn't use and external fan trigger much like the later blackbirds.
    Route 191 formerly Route 666 Some say that this section of the
    road has 1100 curves in 95 miles.

  11. #24

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    Re: water

    upper end of the gauge is fine, removing the thermostat won't stop that from happening and 25mm vers 28mm I don't think matters either, motorbike engines are notorious for running hot, probably mostly to do with engine weight saving and the lack of room for a large radiator, any car I've owned in the last 30 years had a radiator 6x the size of a motorbike and probably 4x the volume of water, it just isn't possible to have the same cooling efficiency as a car, upper end of the gauge is good provided it stays there, sitting in Bangkok traffic for 1hr gridlocked in 40c heat is a massive challenge and my BB can manage it (until recently) with fan on 100% of the time, fixing that leak will cure my water loss issue, I was finding myself stopping after 30mins to top the water up because it was going somewhere lol - all should be fine now...……….yet to be tested !!!

    It can be a bit alarming when you feel the heat rising around you with the fan screaming but if that temp guage stay just below the top mark then all is well - just keep telling yourself lol.

  12. #25

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    Re: water

    update - worth mentioning that there is a bypass hose from the thermostat housing that recycles coolant back to the pump when the thermostat is closed, it is unlear how this effects the flow to the engine if left open, possibly reducing engine flow, so if removing the thermostat it is probably wise to block the bypass hose


 
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