PV shows my engine temp at 320f. - Road Glide Forums
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post #1 of 21 (permalink) Old 11-10-2013, 09:28 PM Thread Starter
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PV shows my engine temp at 320f.

So I installed my new PV from Fuel Moto and loaded the custom map they made for me into my bike. I took her out today and auto tuned the map a total of 3 times, each time improving on the last tune. The bike runs great! However, she seems to be hotter than I remember. Now, I was running her a bit harder than I usually do just to get through all the gears and rpm's for the auto tune. Anyways, after getting back in my driveway, the PV showed the engine temp at 320f. Is that normal temp? I ride a 2013 Road Glide Custom. I added CFR's and everything else is stock. Thanks.


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post #2 of 21 (permalink) Old 11-11-2013, 09:29 AM
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If you are moving slowly or sitting stationary in hot temperatures engine temp is going to continue to rise and it can easily go above 320F. To determine specific running engine temp you need to monitor and log this over the entire run session. Normal running temps would be 240-320 and this will vary greatly based on relative temperature.

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post #3 of 21 (permalink) Old 11-11-2013, 09:37 AM Thread Starter
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Ok thanks. This is a learning process....


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post #4 of 21 (permalink) Old 11-11-2013, 02:14 PM
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Check out www.wardspartswerks.com the cooling fans make a big difference.

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post #5 of 21 (permalink) Old 11-14-2013, 07:53 PM Thread Starter
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I took my bike out again today for a short ride to check the temps again. I did a 40 mile ride. Cruising at 60 she ran at 275 and in traffic for about 15 mins she got up to 293. I'm happy with that. Thanks for the input Y'all.
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post #6 of 21 (permalink) Old 11-14-2013, 08:28 PM
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I think we're all fans of getting great mileage, and the closed loop tunes are great for that. but... around here I absolutely can NOT stand riding the bike in city traffic. After a few stop lights I'm knockin on 300 degrees and the engine goes into 1 lung mode, Hate that! Running open loop now and I'm quite happy. I was getting crappy mileage (35-36) commuting with my closed loop tune before and it's only slightly worse now. Last tank was 36mpg. If I'm on the road and cruising I'm getting 45+mpg.

long story short, I think you're still running too hot for this time of year. You still have the cat headpipe?

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post #7 of 21 (permalink) Old 11-15-2013, 06:53 PM Thread Starter
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Originally Posted by rageglide View Post
I think we're all fans of getting great mileage, and the closed loop tunes are great for that. but... around here I absolutely can NOT stand riding the bike in city traffic. After a few stop lights I'm knockin on 300 degrees and the engine goes into 1 lung mode, Hate that! Running open loop now and I'm quite happy. I was getting crappy mileage (35-36) commuting with my closed loop tune before and it's only slightly worse now. Last tank was 36mpg. If I'm on the road and cruising I'm getting 45+mpg.

long story short, I think you're still running too hot for this time of year. You still have the cat headpipe?

This is all a learning experience for me. I have just noticed tonight on my way home I was getting 40mpg on my bike and that was cruising at 70 most of the way home. I would think I should be getting better than that. How would I go from open loop to closed loop? Would that help out in with the mpg along with keeping the bike a little cooler in temp?
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post #8 of 21 (permalink) Old 11-16-2013, 01:45 PM
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Originally Posted by bear25314 View Post
This is all a learning experience for me. I have just noticed tonight on my way home I was getting 40mpg on my bike and that was cruising at 70 most of the way home. I would think I should be getting better than that. How would I go from open loop to closed loop? Would that help out in with the mpg along with keeping the bike a little cooler in temp?
I would guess your Fuel table has you running closed loop unless you went in and changed the values to something outside of the closed loop range.

If you've got the latest version of WinPV on your computer you can look at the Air Fuel Ratio table for the map you're using. If the values have circles around bold values, you're in closed loop. Closed loop will yield best fuel economy but will also cause the engine to run hotter, mosts noticable at idle and low speeds. Nature of the beast. Switching to an Open loop map requires VE tables that are very well established. Ideally you would want the map and actual AFR built by a talented tuner on a dyno.

That said, 40 mpg @ steady state 70mph doesn't sound out of line. Especially if you're running 10% ethanol fuel. Also, you should calculate the MPG in traditional manner to really know what your average is. The value the PV displays is calculated and that value can be tweaked if the actual MPG is not the same as what the PV displays. Use the Trip Meter function in the PV to determine this. Zero out Trip A or B when you fill up and reset your odo, run a tank or two with the PV connected and compare the MPG displayed in the PV Trip to what the math says when you fill up. Adjust the values in the PV trip to match and this will alter the MPG factor.

The PowerVision will keep you chasing the learning curve... lots and lots of interesting functions if you care to learn them. Or not, your choice, It's nice that you can just flash a map, do a little quick autotuning then put it in a box and forget about it. It's definitely the beauty of the product, very flexible.

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post #9 of 21 (permalink) Old 11-16-2013, 09:06 PM Thread Starter
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Gosh, thanks for all the info! Would it help if I simply turn off the "closed loop" in the "quick tune"?


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post #10 of 21 (permalink) Old 11-18-2013, 11:58 AM
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Originally Posted by bear25314 View Post
Gosh, thanks for all the info! Would it help if I simply turn off the "closed loop" in the "quick tune"?
I don't believe that will make much difference if you're still running a lean AFR.

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