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Valve Float!

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Bloozed

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Post Tue Aug 06, 2013 6:56 pm

Re: Valve Float!

I also found it confusing, and tried to fix the problem to get rid if the warning also.

If if is something that is normal and unavoidable, there shouldn't be the warning.
It only effects what happens after peak power, so does it matter?

I think they should remove that warning, there isn't a warning for when other restriction are reducing performance like when the intake or exhaust are too small.
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Daffyflyer

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Post Tue Aug 06, 2013 7:38 pm

Re: Valve Float!

The thing is it does matter, because if you didn't have some sort of warning you'd have no idea that getting rid of valve float would improve it, or that it's starting to happen at all. It's fairly easy to discover exhaust and intake limitations, but there are so many things that influence valve float that you'd never guess it was happening.

I think we might just need to re-word to warning to make it really super clear what it means
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JussiE

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Post Tue Aug 06, 2013 9:40 pm

Re: Valve Float!

Daffyflyer wrote:I think we might just need to re-word to warning to make it really super clear what it means


I think that would be a good idea. First I also thought that this message is something that needs to be get rid of. Normally you get some warning after the testing you still need to fix something. Fex. engine running too rich, engine knocking etc.

But if the text would be better (I have no idea what could be better) it wouldn't be that confusing.
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zd808

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Post Wed Aug 07, 2013 4:55 am

Re: Valve Float!

Why not get rid of the warning (unless it is reducing lifespan), and make the valve float indicator in the manual test mode more sensitive? Currently, valve float can occur and it stays green. Perhaps it could be adjusted to the point where yellow is an indication it's reducing power and red is an indication that it is reducing the lifespan. I figure that might be an alternative worth discussing that avoids confusion.

Plus, it follows the trend of the previous warnings and indicators: warning messages mean something needs to be changed, while colored indicators in the manual test mode show you what parts are bottle-necking the engine.
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autofrank

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Post Tue Aug 20, 2013 11:35 am

Re: Valve Float!

The valves manual test mode should turn yellow if there's a problem. As I see it, if there's a warning message, there should be a colour-coded warning to correspond with it.
Personally I'd like to see manhours and MTBF return rather than production units and reliability score of 0-100.
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WizzyThaMan

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Post Wed Aug 21, 2013 8:30 pm

Re: Valve Float!

Exactly what I was thinking... if it isn't a real problem, make it a yellow warning (text yellow oryellow icon) and if it is kind of starting to destroy the engine, make it a red warning (red text orred icon)
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Daffyflyer

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Post Wed Aug 21, 2013 8:36 pm

Re: Valve Float!

Yup, the icon is getting fixed to do that :)
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Killrob

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Post Thu Aug 22, 2013 12:06 am

Re: Valve Float!

We'll remove the first message and keep the second one. If you are slightly valve floating or not can be seen in your torque graph anyway. :)
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Ryan

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Post Mon Sep 02, 2013 6:43 pm

Re: Valve Float!

I've got this on my 3.9L I4. Doesn't affect the MTBF, but after it's peak power at (617hp!) 8700RPM, the power sharply decreases.
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f2eeman

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Post Sun Sep 08, 2013 10:20 pm

Re: Valve Float!

Since the update, I'm redoing all the scenarios and this valve float thing is causing me major problems esp on the trans-am racing one... Having to use push rod type cams and get it to 322 horsepower seems a bit insane. I'm no way an expert at this game, nor do I understand the complexities of engine tuning but I'v tried messing with bore/stroke and I either end up with valve float or bottom end parts causing problems trying to get that much HP. Tried upping the cam profile to max (which helps but not enough) fiddled with the quality. Spent an hour or so to get it to 310hp, but can't get past it. Before the update I managed to get quite decent scores on most scenarios, but now I'm barely scraping through some of them. I love this game to bits, its teaching me lots and is still fun but seems too challenging for a non engineer to get a pass on certain scenarios now. Unless the scenarios now need adjusting to suit the update to valve float thresholds?
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Water77

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Post Mon Sep 09, 2013 2:44 am

Re: Valve Float!

With about 15 minutes of tweaking I achieved platinum. I got to 371hp. Remember that you have a tech pool in this one. Make sure you use all of it. Also remember that if you use an aluminum block it will lower your tech pool in the two most crucial tabs in this scenario plus it will cost more. And make sure you take advantage of all $2500 you are allowed. It will also help valve float and weight if you make your engine with more stroke and less bore. Hope that helps!
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