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Identity Crisis. What Am I? S1 Or S2

Lost

By Lost,
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Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

Posted
Posted

Jesus!

Who setup your catch can?

PCV is still in tack, but you've blocked off the breather line to the intake pipe!

How is the fumes suppose to be sucked out when the plenum pressure is +ve?

Plump it back so the 3rd line off your catch can is going back into the intake pipe!

Lost Collaborator

Lost

Posted
  • Author
Posted
Jesus!

Who setup your catch can?

PCV is still in tack, but you've blocked off the breather line to the intake pipe!

How is the fumes suppose to be sucked out when the plenum pressure is +ve?

Plump it back so the 3rd line off your catch can is going back into the intake pipe!

haha...

I set up the catch can so that could be the reason why it's wrong?

Currently, the 2 hoses off the top of the rocker cover is going to the catch can and it pretty much ends there, venting to the atmosphere. The previous hose back to the inlet has been blocked off.

I always thought that was what was suppose to happen so oily air is not introduced to the engine again?

Should I route one line back to the inlet? ie, the catch can has 4 points, 2 in from rocker cover to the top left, 1 vents to atmosphere (bottom line) and the other (top left) I should route back to inlet?

Thanks in advance and thanks all for confirming S2?

I checked the timing belt/cam cover and there's a lump on the left side facing out. This is S2?

gotRICE? Veteran

gotRICE?

Posted
Posted (edited)

Its a S2.

In regards to the catch can, seems fine to me. I have mine set up the same.

PCV intact because blocking it caused blowby,

Rocker covers vented to an atmo venting catch can, and the breather --> intake line blocked. Was told to use that by a very knowledgeable SAU member too.. Been fine for me.

MetalcastHigh.jpg

Looks like its still plumbed, but in the line that goes from exh. rocker cover to the intake i put a custom alloy bung where the brass restrictor was.

Edited by gotRICE?
Birds Grand Master

Birds

Posted
Posted
So its a Series 1.5? Did the 1.5 come with a series 2 motor or has everyone in this thread with a 95 had an engine swap?

Series 1.5 came with series 2 motor. Also has the higher sitting series 2 spoiler (the one in your avatar). As far as I know they were all 1995.

Lost Collaborator

Lost

Posted
  • Author
Posted

Hey johnnillicte,

My current setup seems to be working fine. Although what you have said seems to make sense too. What are the benefits of plumbing back into the inlet (beside legality). Will it scavenge more from the rocker?

What's everybodies thoughts? Quite a few mechanics have seen the engine bay but no one has commented, surprisingly?

Cheers,

J

Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

Posted
Posted
Hey johnnillicte,

My current setup seems to be working fine. Although what you have said seems to make sense too. What are the benefits of plumbing back into the inlet (beside legality). Will it scavenge more from the rocker?

What's everybodies thoughts? Quite a few mechanics have seen the engine bay but no one has commented, surprisingly?

Cheers,

J

On idle the PCV will open up and stuck air from the cam covers into the plenum, saying that, it will be also sucking in from the vent you have on idle. This will disrupt engine idle as this air isn't being read by the AFM

If you have the catch can plumped back into the intake, on boost you will be drawing more blow by out of the cam cover as it will "suck" from the cam covers.

To further enhance the efficiency of the catch can, just fill it up with steel wool.

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