I'm at SP as I type, and I've had a first hand look at the hose routing so we can end the guessing (sorry no pics, didn't bring the camera).
The PCV stays as standard, exiting the crankcase and entering the throttle body; this is the same as the Hass et al. The breather exits the rear of the crankcase and only inches away enters the custom TTE intake piping PRE turbo. This results in both systems running as per a stock car. It's certainly a neat and tidy solution.
BTW, I've seen the new exhaust too - I'll leave SP to post about that but let me say you will be impressed s:wink: :wink: s:wink:
so your sayingit's going to pre turbo
is it pre or post maf?
Post MAF, as below:
AIRBOX > MAF > (BREATHER CONNECTION) > TURBO > IC > TB
thought they might thats the same as the PE does it
Is it the mot secret ?
doubt it
MOT Secret i it still runs teh main cat
Quote from: "markiii"doubt it
MOT Secret i it still runs the main cat
More good news - their demo car is now running with a decat pipe, and STILL passes emissions with just the race precat.
Quote from: "Slacey"Quote from: "markiii"doubt it
MOT Secret i it still runs the main cat
More good news - their demo car is now running with a decat pipe, and STILL passes emissions with just the race precat.
cool, looks like i'll have to cut that old cat up s:wink: :wink: s:wink:
Quote from: "Slacey"I'm at SP as I type, and I've had a first hand look at the hose routing so we can end the guessing
Sean - thanks for the field report s:wink: :wink: s:wink:
Its a tidy solution. Unfortunately I can't take advantage of a post-MAF, pre-turbo breather arrangement s:cry: :cry: s:cry:
No catch can on the breather then? Sounds like there isn't room for it.
And does this mean that the stock PCV is up to the task of holding back boost - so no real need for a KVent?
Quote from: "spit"And does this mean that the stock PCV is up to the task of holding back boost - so no real need for a KVent?
It must be, both TTE and Hass run with no alteration to the PCV layout.
no it isn't
under the hass setup it gets blown through, and vent through teh breather
effectively working in reverse when under boost, it can't hold boost it's a 2 way valve by design
TTE is tidier as those gases exiting teh breather get sucked in and burnt
Quote from: "Slacey"Quote from: "spit"And does this mean that the stock PCV is up to the task of holding back boost - so no real need for a KVent?
It must be, both TTE and Hass run with no alteration to the PCV layout.
I still doubt that. s:? :? s:? Here's what BGB says about testing it:
"(a) Blow air into the cylinder head side, and check that air passes through easily."
"(b) Blow air into the intake manifold side, and check that it has a little difficulty for the air to pass through."
The pics on the side also show that air should pass through both ways. I didn't try, but I assume a turbo would be more than enough to boost through that. Maybe someone could try how much boost it holds before it lets air go through?
(forgive my grammar - i'm responding by 'phone)
i tested my pcv at install & the resistance is tiny, but in any case, i'm concerned about boost going into the case thru the pcv hose, which seems to be opposite to bgb's description of the valve's direction anyway s:oops: :oops: s:oops:
my conclusion, therefore, is that boost is lost through the pcv hose under wot if it is connected without a decent valve. am i missing something or have i got this all harris over elbow!?
c2 has breather with small filter to atmos., and pcv is not connected at all. this is why i'm being so nosey about the setup; i want to get the pcv hose clearing out those gases in vacuum. (but from what you guys are saying, the gasflow goes the other way...confused
so, either my logic is way off, or its ok to pump boost into the crankcase thru the cam cover under WOT (but to me this sounds like pressurising the crankcase, which i thought was a no-no)
someone please set me straight so i know which way to jump s:? :? s:?
it only pressurises teh crankcase if teh breather is left in place, with that seperated it won't pressurise but yes in theory you would expect it to leak boost