All Things Mk5 > Performance Modifications

r-tech pcv delete or catch can???

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Stooey:
I'm looking either fit a catch can on do a pcv delete but I'm unsure which is better? What are the pros and cons for each? I'm guessing the r-tech delete will be better as they know there stuff but just after finding out a bit more if anybody has any info.

Cheers

th3_f15t:
I've seen a lot of mixed views on this. A catch can is probably my choice, as deletes can cause excess pressure inside the engine. plus a catch can filters some stuff from passing through the engine.

Thing is you need to get a well designed catch can to make it worth while, think the Draft 42 Designs one was mentioned as a good one in the apst but don't quote me.

Dan_FR:
The catch cans are no better than the deletes, all (aside from the R-Tech setup) reduce the breathing capacity of the engine (both cam and crank) down to a 19mm hole (or less), which does cause excessive pressure and leads to smoking on overrun/idle.

The R-Tech kit runs a separate large bore breather for the cam and crank gases. No back pressure, no hot oil vapors making their way back in to the turbo intake etc.

Get the R-Tech kit - Cheaper than a decent catch can setup and does a better job

th3_f15t:
I may consider that myself actually, thanks for that.

Stooey:
Thanks for the reply lads, think the r-tech delete is the way to go then  :drinking:

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