Hi, just upgraded to the full torque app. so was looking forward to the boost working. but even when set to minus 14.7 as stated. It reads - 12 when off throttle and around +12 psi on throttle. I set it it to 0, and got + 18 psi. I'm assuming I have a boost leak which I'm going to hopefully confirm tomorrow. But surely a reading like this would mean over boost, despite the car feeling a little flat.

That sounds okay - it's supposed to read vacuum (i.e. negative) when off throttle.

You've got a breather leak, should be in the -20s when ticking over. Mine was -15 when the dump valve pipe was leaking

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Cheers boys. RAF. Do you mean even at idle it should be at - 20 ish ? I've built a home made boost leak adapter for air compressor so hopefully check tomorrow if it works.

You've got a breather leak, should be in the -20s when ticking over. Mine was -15 when the dump valve pipe was leaking

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Depends on the units.

-20 will be in inches of mercury. You can't get to -20psi, can't even get to -15 unless you start underwater.

Hmmm, I'll need to recheck the settings as it mentions turning off or on units of mercury which I Mau have turned off so may have altered things maybe. Watch this space will re check tomorrow

Err never altered the units, so not sure what's it on lol.

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It has a tick box that says : don't show negative psi as hg/ mm,

Weirdly I had this box ticked. So will try today with it unchecked and also doing the blue peter boost leak test too, so will report back.

Sorry I ment in/Hg not mm/Hg.

Right, finally found a possible culprit this pipe which sits under the thick y- piece thats on top of tge engine it extenda sown under the inlet maifold somewhere but presume is an oil/ crankcase breather. Would this cause a boost leak as in power drop or just noise through vented crankcase pressure. The problem is I can't see how this pipe attaches at the other end as its burrired under all the pipes around tfe maifold any ideas?

Not had a chance to re run torque as i done this 1st so will update on that later.

Oh forgot to say its split half way across at the rim where it would meet the y piece.

Well that was an absolute beatch to remove. It goes into a t- piece with one of those fken stupid clips that should be a jubilee clip, with practically no access. Arrggghhh. Managed to rip it off in the end and destroyed the rest of the pipe in the process as it had becahe really brittle also really clogged with oily sludge, should it be?

Phoned round the stealers £45 !!!!!!!! For a 15 cm bit o rubber, furious. An absolute rip off this must cost about a pound to make. Ann Robinson here I come.

yep,that oily sludge will be in your inlet pipes,intercooler etc its why a lot of people fit oil catch cans to stop it ,have you looked at the pipe that also joins the t piece at the top from the inlet mani,its well known to slit

Get a creations Motorsport silicone replacement!!

Yeh the y pipe looks fairly new can't see any splits. Justvas well coz if this pipe is 45 that pipe must need a mortgage.

Get a creations Motorsport silicone replacement!!

It's only the top T/Y piece pipe they seem to do, its the s shape that comes down from this that was split , but can't see them anywhere other than Steelers.

You can get them you need to ask for them lol

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Cheers RAF, too late, the Steelers have taken the kids college fund. As need car back on road ASAP. But next time ill get one when it goes again..........in aboot a month lol.

Right, well. Fitted new gold plated I think, s pipe after a lot of swearing, crying, sweating. As I started up the car I found another split this time on the corragated hose from the sai pump just as it reaches the horizontal pipe at the inlet manifold. I just glued this pipe put clear gasket seal on it and surrounded in rubber and jubilee clips , just incase. But after all that, it hasn't really made any difference. To begin with I'm sure it was more responsive but moments later I could here the whoosh/ whistle sound however I ran torque again.

This time I'm reading - 27psi off throttle and around +10 psi on throttle, which I think is about right?

27psi off throttle and around +10 psi on throttle, which I think is about right?

Correct !!

Although yours is just an 1.8T not Vrs ??

Vrs std pressure is 9-10 psi, the 150 may be a little lower ....Not sure tbh

Yes not sure about that myself although, being the 4x4 apparently has the same turbo as the vrs and is just mapped to 150.

when in 150 bhp tune i think it runs around 7psi of boost?

when in 150 bhp tune i think it runs around 7psi of boost?

So by that I'm over boosting, or probably torque is not too accurate. Hmmmmm.

Mines -21psi on idle (vac) and +20psi remapped. Before it was +10psi standard. Have a mechanical boost gauge fitted in the car so its pretty accurate + or - a psi or two.