All Things Mk5 > Members Rides
*****Scopes RS GTI*****
scopes:
TheBIGJAYY:
ahh nice :) yeah i had read the review from RR on the forge catch can but what effect does it have on your engine?
percy:
Nice thread there mate! I must say that i also went to morebhp for a stage 1 and i too was impressed with the results plus they had a sale on and got it £199 instead of 3350! :happy2:
scopes:
whats all the fuss about ? Copied from john_o thread http://www.mk5golfgti.co.uk/forum/index.php/topic,7040.msg108922.html#msg108922
through no fault of our own after relatively few miles and dependent on conditions the inlet tract on TFSI engines starts to foul up.
dont think its just a high mileage issue , its happening to us all.
heres jonnyc S3 8P (still the 2.0 TFSI) intake valve from a stripdown at xx,xxx miles :
jonnyc's S3 stripped
why ?
heres a useful diagram.
The key thing to remember is that the TFSI doesnt have a catch can (but everything else is relevant) , and oil fumes / water vapour and related gumph are ported back into the engine to try and achieve good emissions...
On most cars this is not a problem as fuel washes constantly keeping everything clean.
The bad news is that TFSI is direct fuel injection (injectors spray directly into the combustion chamber), so the only thing passing the intake valves is air (and the oil and water vapour gunk), this is really bad news.
this happens to both standard or remapped cars, but the increased boost pressure is liable to make the issue worse.
How does this work on the 2.0 TFSI ????
heres some info on another thread , with a >> diagram of flow <<
Hope this helps! :happy2:
scopes:
--- Quote from: percy on June 27, 2012, 02:33:55 pm ---Nice thread there mate! I must say that i also went to morebhp for a stage 1 and i too was impressed with the results plus they had a sale on and got it £199 instead of 3350! :happy2:
--- End quote ---
Cheers Percy
Yes another forum member gulfstream had recommended them to me at the time, I liked the idea of having the box to switch maps myself, and I’m in the proceeds of having my own tuner use the box now for a different set of maps... :evilgrin:
Maybe Normal mode, Fast mode, Race mode, then threw time i might install a WMI kit; there is room for 3 maps. So I will have to decide what stays & what goes! :innocent:
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