All Things Mk5 > Performance Modifications
K03 Hybrid
sub39h:
--- Quote from: Janner_Sy on June 18, 2013, 08:36:01 pm ---
* K04 with S3 injectors, stock intake, stock exhaust, stock HPFP approx 300hp
* K04 with S3 injectors, Uprated APR HPFP, stock intake, stock exhaust, approx 320hp
* K04 with S3 injectors, Uprated APR HPFP, Intake, TBE and intercooler. approx 350Hp
Option 1 makes so much sense on the K03 TFSI as that 300Hp is cheaper than making a Stage 2+ K03 setup and it makes more power with less boost/stress. Wish i had known about it back alongwhen i had my octavia tbh.
--- End quote ---
is this really true?
Janner_Sy:
--- Quote from: Rob. on June 19, 2013, 09:05:07 am ---
That's intersting. What sort of cost would you be looking at for the K04 and S3 inectors? I'm assuming that 300bhp option 1 needs to include a remap as well as the hardware?
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They can be had for approx £500 second hand if yoyu keep a watch on ebay and fthe forums.
--- Quote from: sub39h on June 19, 2013, 10:15:31 am ---
is this really true?
--- End quote ---
YTed mate. I was chatting with Keith back along saying its a shame there wasnt an Octavia vRS wasnt available as a K04 as 300hp would be the sweet point. He then highlighted they had developed these in the US.
Makes sense really.
If you bolt a K04 turbo/injectors etc on the K03 TFSI engine then give it a remap for this setup, ie APR or RTECH custom, you have effectively made it the same as an ed30 stage 1.
edd666999:
But IMO lose everything the k03 has to offer. I think a 2+ k03 would be a better drive on UK roads than a k04 stage 1.
GrayMK5GTI:
--- Quote from: Janner_Sy on June 18, 2013, 08:36:01 pm ---
--- Quote from: GrayMK5GTI on June 18, 2013, 07:07:47 pm ---This was discussed a while back and so far as I know, no one has done it. The K04 isn't crazy money and is the best solution. You could actually go K04 and keep original injectors and fuel pump for 300-310bhp. You would have to get a custom map though as this isn't a setup that Revo, APR etc support :happy2:
That's a cheap-ish boost in power
--- End quote ---
APR do.
they have a few options already developed for K04 conversions on the K03 TFSI.
It was APR who gave me the idea.
* K04 with S3 injectors, stock intake, stock exhaust, stock HPFP approx 300hp
* K04 with S3 injectors, Uprated APR HPFP, stock intake, stock exhaust, approx 320hp
* K04 with S3 injectors, Uprated APR HPFP, Intake, TBE and intercooler. approx 350Hp
Option 1 makes so much sense on the K03 TFSI as that 300Hp is cheaper than making a Stage 2+ K03 setup and it makes more power with less boost/stress. Wish i had known about it back alongwhen i had my octavia tbh.
--- End quote ---
Hang on, do APR support K04 with original (k03 injectors) though?? IIRC Danish (or someone he knew) had run this setup on a Touran and made 300-310bhpish. As I understand it, the K03 injectors can just about flow enough for 300bhp.
That saves you the cost of the injectors and the fitting time. Perfect if you only want 300bhp :happy2:
Janner_Sy:
That i dont know. i presumed it was S3 injectors but never actually asked if they were needed.
--- Quote from: edd666999 on June 19, 2013, 11:38:51 am ---But IMO lose everything the k03 has to offer. I think a 2+ k03 would be a better drive on UK roads than a k04 stage 1.
--- End quote ---
for a stage 2+ K03 with 280Hp (at best)
Intercooler £500
Intake £350
Downpipe £500 (Add another £500 for the cat back)
HPFP £350 (autotech is cheapest option)
Turbo Discharge/charge pipes £250
Remap £500
Total: circa £2-2.5k give or take different labour charges
Thats the car now maxed out on its setup. Nothing else to come without swapping the turbo.
My Octavia S2+ was as quick as a stage 1 Ed30 on the road particularly so in gear, but maybe not flat out top end of the rev range, but that involved a loud intake, loud exhaust, high boost, etc etc. It might be mildly better but not by a huge amount, and in a flat out pull a K04 would pull it due to the top end.
For me, i prefer quiet cars i dont like loud exhausts or intakes on an everyday car. Had i known i could have got the same performance running the car less aggressively with the option of progressing further up the tuning ladder, this is without doubt what i would have done.
Stealth performance FTW. All the performance with none of the downsides to modifying.
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