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| XTcruiser |
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Age: 42 Posts: 54 Joined: 6th Oct 2008 Ride: XT Fairmont, 03 BA Pursuit ute Location: Gladstone |
no it doesnt push more oil out. Just thought id ask as i dont really know much about the whole setup. But when i supercharge it i will be adding a catch can. Thanks for the info guys
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| TimmyA |
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{USERNAME} wrote: there are a few ways a catch can can be used.. usually the breather from the rear of the rocker cover runs into the catch can, from the catch can to the intake/filter before the turbo or supercharger..(or vented to air via a filter).. and the pcv can work as per factory as the pcv seals under boost allowing any blow by at high rpm or boost to exit via the breather at the rear of the rockercover into the catch can.. (this is how i would use it) or both the pcv and rocker cover breather can run to a catch can, then from the catch can to the air intake before the turbo/supercharger(or vented to air via a filter) this works but there is no pcv in operation.. there are otherways it can be connected aswell Just curious with this first method... when your cruising and the pcv is open it'd still be sucking oil vapour into the manifold wouldn't it? as the catch can is before the rocker cover in this scenario... Cheers...
_________________ {DESCRIPTION} |
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| TROYMAN |
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i think it also depends on the condition of the engine..
ive been running boost into my engine for just over 10,000kms without a catch can, when the blower was removed a few week ago to be repaired there was only the slightest hint of residue on the entry of the breather pipe, nothing on the entry of the blower or the impeller... i do have a catch can for it but havnt bothered putting it on yet.. 
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| shav |
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{USERNAME} wrote: i think it also depends on the condition of the engine.. ive been running boost into my engine for just over 10,000kms without a catch can, when the blower was removed a few week ago to be repaired there was only the slightest hint of residue on the entry of the breather pipe, nothing on the entry of the blower or the impeller... i do have a catch can for it but havnt bothered putting it on yet.. On another side of the coin, I also have had my s/c on for about 10,000km. But found there to be excess oil residue on the intake pipe of the s/c, hence me going out and fitting a catch can. I wanted to be safe rather than sorry. The repairs of the s/c would far outweight the cost of a catch can in the long run IMO. I have noticed that its doing it job too. The gauge on the CC is showing to have caught quite a bit of residue and excess fluids. This potentially could have gone thru my s/c unnecessarily. 
_________________ Cheers |
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| TROYMAN |
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yea i am planning to fit my one as the engine is not getting any younger lol...
its just clocked 110.000km so is fairly fresh.. but with s**t loads of boost going through it its just a matter of time before it will require the catch can.. 
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| shav |
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{USERNAME} wrote: yea i am planning to fit my one as the engine is not getting any younger lol... its just clocked 110.000km so is fairly fresh.. but with s**t loads of boost going through it its just a matter of time before it will require the catch can.. mine has done more than yours. 155,000km or there abouts. I thought it would be better than dripping oil on the garage floor after a bit of fun. I hate oil leaks. 
_________________ Cheers |
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| ford-racer46 |
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So i get this right, there are 2 hoses connected to the rocker cover one in front(PVC) valve and rear breather were the air is reused for combustion for enviromental purposes, and so a catch can cleans it and stops solids and impure vapor from being reused in combustion chamber by doing so creates cleaner more efficiant spark due to cleaner air, but an oil catch tank can be used with both PVC valve and breather because they both produce impure vapor and unwanted solids that find there way back to combustion chamber through throttle body hose, Is this right or have i compleatly messed up?
_________________ Now, I've got a message for all the other drivers out there. If you smell a delicious, crispy smell after the race, it's not your tailpipe. It's just a little of Shake...and Bake! |
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| wholagan |
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{USERNAME} wrote: Hey Wholagan can i ask where you got all the polished gear from, iv been looking for stuff like that for a while and had no luck. Also is the block polished as well? If so how the hell did you do that. Engine bay looks frickin sweet mate! All my braided hoses and fittings come form www.mscn.com... They are expensive and hard to play with, but are well worth it. The intake come from Ebay. The radiator and expansion tank come from PWR Everything else has either been removed, hand polished, or painted with good spray paint. No the block isent polished, just the front of the head. lol.. you could'nt polish the block anyway, its cast iron. Its nothing special but thanks for the complements 
_________________ XR6, 3''CAI, sick'o BBM, no AC, 2.5''exhaust, special cat, PWR radiator&expansion-tank, BTR, kevlar bands, JMM converter, shiftkit, 4 pin 3.91:1, 31spline billets, minispool, Nolathane, RDA golds, My interior, genuine GT's.. (gallery) SpeedFlow |
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| metasaiah |
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Ok, I realise this is a mine but I thought it better than creating a new thread. I plan to take my car to the drags on the odd occasion so thought a catch can would be in order - just need to know how it ought to be plumbed for my EF. Anyone got suggestions/pics for an N/A setup?
_________________ EF2 Fairmont Ghia. AU2 engine running EF gear. Intake, exhaust, injection etc; 8" rear stockies with 265/50R15 rubber. Shiftkitted auto, J3, custom grille and dash cluster and lots of other useless crap... |
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| Trav 4.0 |
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Heres where i fitted mine. Just connected to PCV & rear breather.
Then blocked off the PCV pipe below the throttle body.  
_________________ EBII Fairmont = 206rwkw |
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| metasaiah |
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Nice setup there Trav. Does the car run any differently with the hoses now redirected to the can and not plumbed back into the system?
_________________ EF2 Fairmont Ghia. AU2 engine running EF gear. Intake, exhaust, injection etc; 8" rear stockies with 265/50R15 rubber. Shiftkitted auto, J3, custom grille and dash cluster and lots of other useless crap... |
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| FAST-XR |
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your better off using 2 catch cans.
one can for the pcv, and one can for the breather... reason being... the pcv is doing the venting under low load application. the second breather vents when the pcv shuts. now when the pcv is shut your better off having the secondary breather hooked up to your air intake so it can create some vaccuum in the breather and suck the vapour out, instead of just relying on atmospheric venting. the reaon why you dont hook up the pcv catch can to the intake (or vent it) is that you dont want to introduce a vaccuum leak i wouldnt bother with a catch can in an NA car, unless your motor is rooted and has more blow bye than a poofters a*** hole...
_________________ 07 BF MKII XR6T |
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| Dansedgli |
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Here's my catch can setup.
2 -10 fittings welded into the rocker cover to replace the stock breather and PCV into a catch can vented to atmo. 
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| DA22LE |
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{USERNAME} wrote: Here's my catch can setup. 2 -10 fittings welded into the rocker cover to replace the stock breather and PCV into a catch can vented to atmo. Dan, Looks very much the same as i had, until i was told it was useless. Wondered why i was getting water/moisture in the can as well as oil.......Get rid of the filter!!! Not to mention the unbelievable amount of oily residue in the intake, turbo, and pipe prior to the intercooler.....  Plastic tube runs oil to the bottom of can, fresh air sucked from the top...  PCV goes to the manifold as per factory (get an xr6t check valve, the plastic pcv valve can disintegrate, f**k ing your motor). Turbo intake to can, can to rear of rocker cover.......... Cheers  Daz
_________________ BA XR8 Boss 260 |
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| Dansedgli |
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{USERNAME} wrote: Looks very much the same as i had, until i was told it was useless. Wondered why i was getting water/moisture in the can as well as oil.......Get rid of the filter!!! Not to mention the unbelievable amount of oily residue in the intake, turbo, and pipe prior to the intercooler. I dont have it plumbed back into the intake so the residue cant get there. I had one similar to yours on my old AU and it still sucked oil into the intake under heavy boost so I didnt do it that way this time. |
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