Well, there's been some accidental progress.
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"Accident" being the key word here.
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Before I go on, this isn't a Mule I post tuning type post!
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I've been systematically going through my piping, looking for this elusive
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boost leak![](./images/smilies/spacer.gif)
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Last night I pulled the hot pipe, to check the BPV was seated properly etc.
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Everything looked ok, so back on it went and another test run performed.
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Same outcome; it didn't boost to the boost limit set on the EBC
![Neutral :neutral:](./images/smilies/icon_neutral.gif)
I decided to pull the VTV and check it was operating as designed.
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It's obviously got a little brittle over the years, with this happening.
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![Image](https://c1.staticflickr.com/5/4261/35465480906_a0974d1f89_c.jpg)
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So, back to bits it all comes again!
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![Image](https://c1.staticflickr.com/5/4283/35337788322_d656b634e6_c.jpg)
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Look who's just been pulled out of retirement!
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![Image](https://c1.staticflickr.com/5/4234/35337774272_627354beaf_c.jpg)
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Took a bit of time clocking it so the outlet faced the right direction, but avoiding the end piece fouling the engine.
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I also tweaked the mounting plate, as it wasn't sitting perfectly flush when nipped up.
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Once done it was all back together and a new vac line run.
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It will be Autosol's at a later date, I wanted proof of concept first.
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![Image](https://c1.staticflickr.com/5/4254/35374283671_9a684c3b63_c.jpg)
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Out for another test run.
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Same
issue![](./images/smilies/spacer.gif)
with the boost.
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However, the blow off noise of the HKS is actually much quieter/better than the stock BPV when recirculated?!
![Eh? :-s](./images/smilies/eusa_eh.gif)
I'll take that as a minor win!
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I then decided to spend some time going over the EBC, to see if I'd inadvertently thrown the settings off when doing other things.
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Found a nice stretch of road and started tweaking.
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The police were parked up about half way along, so not sure what they thought of me doing laps of the dual carriageway?!
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First thing I noticed was that the Peak was set at 0.01?! I thought it was a setting I adjusted manually but after actually RTFMing I found that was auto populated by the boost you hit when doing a run in that particular settings module.
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So basically I must have adjusted something, which resets Peak to 0, then negates the Gain settings.
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So to correct it you have to be in the Duty module, do a full beans run to hit top boost in the various gears, which then records your Peak value.
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The Peak is somewhat governed by the value you enter in the Overboost module, basically to stop you boosting your turbo/engine until something gives.
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Long story short: I ran through the set-up process again, set the Duty, Gain etc values accordingly and now hit 1.14bar.
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I'd accidentally knocked the settings out originally and accidentally identified the correction required
![Rolling Eyes :roll:](./images/smilies/icon_rolleyes.gif)
I'll fine tune it all later, to get it perfect for my requirements etc.
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I'm also going to go through the whole engine with a fine toothed comb and weed out any potential boost leaks etc there might be.
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Things way beyond the regular boost piping, looking at other areas that aren't as efficient as they could be.
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All part of wider plans for the car, so this will be a gradual process.
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One that will need to be repeated as/when parts change.
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Oh, the top mount joint/brace/bridge/whatever they're called bits are now painted and dry.
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I'll fit them at some point soon, dependent on if/when I fir the coilovers.
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![Image](https://c1.staticflickr.com/5/4255/35465418376_b6d054d09b_c.jpg)
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So in summary: Much user error and a couple of accidental fixes.
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I'll take that!
![Whistle :whistle:](./images/smilies/eusa_whistle.gif)