Master
SupporterBeen thinking its time i finally fitted an oil catch can to my TD5 defender just to stop/minimize oil mist coating/entering intake etc. From my research/understanding the provent 200 is the way to go(not exactly cheap including hose reducers) but have noticed some other similar options on ebay for about 1/2 the price with 5year warranty and cleanable mesh filter and 19mm inlet/outlet(Oil Catch Can tank crankcase Small Universal Pro Patrol Hilux Navara 4x4 4WD | eBay) and wondering if anyone has tried these or similar and is the provent 200 really that much better?
Good luck trying to claim the warranty
A cheap Chinese knock off isn't going to match a Provent and that one looks like a clone of a Provent 100 - rated for a 100kw engine (when new).
An older engine will already have increased blow by so marginal..
Add to that the Paper filter of the Provent will be more effective.
Master
SupporterOkay thanks for info - think i better pay the extra for the provent.Originally Posted by Tombie
Good luck trying to claim the warranty
A cheap Chinese knock off isn't going to match a Provent and that one looks like a clone of a Provent 100 - rated for a 100kw engine (when new).
An older engine will already have increased blow by so marginal..
Add to that the Paper filter of the Provent will be more effective.
The provent has a colassasing (? Something) filter - the oil will flow down off it and I think it is good for 100000 km before a clean. I have a 200 in a 300tdi, pretty well dry intake now.
Master
Supporterwhat's the best type of hose to use from rocker cover to provent -is ordinary heater hose okay?
TopicToaster
No, you need oil resistant hose.
Cheers......Brian
1985 110 V8 County
1998 110 Perentie GS Cargo 6X6 ARN 202516 (Brutus)
Master
I have a race car with an oil catch can on it. Its an alloy box in my case with a K&N oil vent filter on top. Much cheaper than the Provent and really i cant see how it could be much different??
Oil vapor collects and any gas is filtered before escaping but is not then returned to the engine. Does it actually have to? On high reving engines its not uncommon to return the collected oil to the sump either.
Master
Returning the vapour into the engine to be burnt is part of the emissions requirement. You will find that not all the oil will condense in the catch can and stay as vapour. Eventually it will leave a black brown stain on in the engine bay somewhere as the vapour condenses on the cold metal. Seeing as it's a racing car I don't think a that's much of a concern but for a road going car it's an easy defect for the boys in blue.
Master
SupporterCant remember where I read it, but when I considered a catch can someone said something like this "Dont waste your money putting more stuff under the bonnet, just do more frequent oil changes.."
I tend to agree with whoever said that.
2015 Defender 110
Different action and different purpose and result.
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