All Things Mk5 > Performance Modifications
Take it easy before the remap?
Shoduchi:
My younger self wouldn't mind having more power but being reasonable I think the setup is reliable in the long term. Not much torque, not much increase in the IAT and not much engine heat when pushed. I prefer to keep the car well than risking my luck. :smiley:
Lucastheone92:
--- Quote from: Pudding on March 22, 2017, 02:56:58 pm ---I think that is the key to it personally - building for purpose. I'm seeing more and more Stage 2 and 2+ people blowing engines and turbos on the facebook group, so what you said there about requesting too much boost is spot on. I don't get it personally. Even 350hp is pushing it on these engines and is VERY fast for a GTI road car, but people want 400, and it's just not sustainable with a K04. Something has to give. It's better to run a TTE420 at lower boost and make the power far more efficiently instead of spinning a K04 way out of it's efficiency zone. All it's doing is baking the intercooler and destroying it's thrust bearings.
Anyway, I digress. I'm glad you are happy with your setup :happy2:
--- End quote ---
350bhp pushing it on a K04? I've a;ways heard these can safely handle 400. Got me having second thoughts about my stage 2+
Shoduchi:
--- Quote from: Lucastheone92 on March 24, 2017, 01:42:49 pm ---350bhp pushing it on a K04? I've a;ways heard these can safely handle 400. Got me having second thoughts about my stage 2+
--- End quote ---
They can't handle 400 BHP safely without WMI or without +100 octane petrol. In some European countries you can get 102 octane petrol on petrol stations, for example.
pudding:
--- Quote from: Lucastheone92 on March 24, 2017, 01:42:49 pm ---
--- Quote from: Pudding on March 22, 2017, 02:56:58 pm ---I think that is the key to it personally - building for purpose. I'm seeing more and more Stage 2 and 2+ people blowing engines and turbos on the facebook group, so what you said there about requesting too much boost is spot on. I don't get it personally. Even 350hp is pushing it on these engines and is VERY fast for a GTI road car, but people want 400, and it's just not sustainable with a K04. Something has to give. It's better to run a TTE420 at lower boost and make the power far more efficiently instead of spinning a K04 way out of it's efficiency zone. All it's doing is baking the intercooler and destroying it's thrust bearings.
Anyway, I digress. I'm glad you are happy with your setup :happy2:
--- End quote ---
350bhp pushing it on a K04? I've a;ways heard these can safely handle 400. Got me having second thoughts about my stage 2+
--- End quote ---
I'll rephrase it as being the comfortable limit for long term reliability :smiley:
400 is right on the ragged edge and you need a lot of extra hardware to get there. Not worth it against the chance of smashing a ring land imo. Better off running a BT at lower boost to make the same power, and definitely fit uprated rods and pistons if going for 400.
Again, this is just my conservative side looking for the best reliability / power compromise, but a lot of people do run stage 2+ without problems, but then again, every week on the facebook group I see someone else with smoky turbos and broken pistons.
Shoduchi:
I share the same opinion with Pudding. I prefer to run with a good headroom so I don't risk too much the hardware reliability. With +350 BHP a mechanical LSD is in order, so I'd get it before trying to get ~400 BHP.
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