Boost In Neutral.

[gotRICE?]

This happened when my timing was out a little bit at cruise loads, after a 15 min drive at 100km/h (just an oversight.. thats what you get when you drink too much rum the night before then try tune on V and Pies )

I have pictures of EVERYTHING! LOL. Like to keep my work documented.

Edited June 18, 2012 by gotRICE?

[odessy]

Might try do it myself. Timing lights can be head cheap off ebay. Hopefully I can find a guide.

[odessy]

Thanks for the help btw.

[Hanaldo]

Yeh. Just beware of cheap timing lights giving a false reading.

[odessy]

Any recomended budget timing lights?

[Manuel Kasko]

See my link few posts back

[odessy]

Wasn't any recommended brands in there.

Also wrt to the boost gauge. Is it going to give an incorrect reading where it is? Or is it just not good to have it there.?

[Kenna802]

This happened when my timing was out a little bit at cruise loads, after a 15 min drive at 100km/h (just an oversight.. thats what you get when you drink too much rum the night before then try tune on V and Pies )

I have pictures of EVERYTHING! LOL. Like to keep my work documented.

Was that timing or Afr's? If so what was wrong Too lean Or 2 Advanced

[Manuel Kasko]

Wasn't any recommended brands in there.

Also wrt to the boost gauge. Is it going to give an incorrect reading where it is? Or is it just not good to have it there.?

It's on the line that controls the fuel pressure so if it pops off for any reason then you can do some damage.

Try moving it to the back of the plenum against the fire wall just tap into the factor vac line

It will run off a nipple (har har I said nipple)

Heads towards the brake booster into a little black box.

If you cant find it send me a message and I'll take a pic of mine tomorrow

0408 257 613

[odessy]

Thanks. Did you use hose clamps for any of it? Might put some on the fpr when I change it to be safe.

[Manuel Kasko]

Get the right size hose and it won't matter to much. The pressure in there isn't that bad.

From stock they don't have hose clamps but then again stock don't run 20psi all day haha.

See how you go dude

I'm out just let me know if you need help

[odessy]

Yeah I probably won't get another chance to touch the car until later next week when exams are finished.

Thanks again for the help.

[TiTAN]

Was that timing or Afr's? If so what was wrong Too lean Or 2 Advanced

too retarded, running lean, or pushing it hard for a while. you dont get that from the timing being too advanced.

[gotRICE?]

To retarded. as I mentioned I was cruising at 100 kmh. it was blowing the combustion out the exhaust. No wonder it felt sluggish on the motorway lol.

[odessy]

So if the timing is too retarded then the air will still be in a state of combustion during the exhaust stroke and this extra pressure that usually drives the cylinder down will begin to spool the turbo?

Why would an atmospheric blow off valve cause boost to build in neutral?

Edited June 19, 2012 by odessy

[The Dan]

Why would an atmospheric blow off valve cause boost to build in neutral?

It won't.

They will all make some boost on free rev. Just not 10psi. More like 1-2psi and that's purely due to exhaust volume and turbine speed. If your ignition timing is retarded it makes the engine work harder/labour more and therefore will build more boost. Probably still not 10psi

[odessy]

^ Yeah from reading 10psi seems to be a bit. I can hear the turbo spooling up so I don't think it's faulty boost gauge. Builds boost gradually until I take my foot of the accelerator. Any idea? Ill try get a video up in the next day.

Still going to check the timing anyways.

Edited June 19, 2012 by odessy

[odessy]

Well I hope it isn't the timing being too retarded as my CAS has next to no adjustment left to advance it(Almost turned as far counter-clockwise as it can). I haven't had the time to get a timing light and really play around with it yet, just having study breaks and speculating/stressing out.

If the timing is too retarded and I can't advance it far enough, could this be due a mistake being made when the timing belt had been replaced?

Edited June 20, 2012 by odessy

[odessy]

Just took this now after letting the car warm up and with it parked in the garage and turning the MBC right down. Also the idle sits just below 1000rpm, should it be this high? Edited June 20, 2012 by odessy

[gotRICE?]

Looks fine. My stock turbo would boost that high in neutral if I gave it a good stab like that. I think your worried over nothing.