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Hybrid K04 Turbo Discussion
- Thread starter J@mes
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- discussion hybrid k04 turbo
I don't know mate as some of the guys that have fitted them don't seem to be getting accurate results. I was hoping that they would be a precise bit of kit.Im tempted to get an apexi AVC-R unit and get rid of the N75 valve
Its intermittent, it seems fine at the moment but it has been surging the last couple of days on part throttle.
You can pick them up off ebay for £200-£250 so it may be worth a shot
Just a bugger installing it though
In what way?
Not reaching desired boost levels or desired boost reading being met but not accurate? Just dial in more boost to compensate then surely?
Will need to do a bit of research into it i think as i definitely need something better than standard N75 valve
Wonder what Bill's issues are? Probably too much boost lol or not reaching desired boost due to the wheels lighting up
No mate,
But i am tempted to get mine RR using the same settings as SIE's to compare like for like the hybrid vrs stock turbo. I recon the turbo must be good for 15bhp on its own.
I also wonder how much PSI is lost across the Forge front mounts as oposed to the stock intercoolers. I supose what ever trade off in boost lost is at least compensated for in timing advance.
Im wondering what the 100%+ boost actually does and if it is safe
ON CC software, it only allows 100%.Can we assume all remaps run on 100% boost but then APR allows you to squeeze more (Upto 106% in Sie's case) Surely this will have a negative affect also? If not, then why are all maps not set to this standard?
We're also putting a lot of faith into awesome's rolling road aswell, we already know it cant calculate fly figures, are the wheels figures realistic
In some cases like awesomes own LCR, 255-260whp. This would equate to 300bhp, but Bogg warner rates the max flow rate of turbo at 280bhp. Where's the extra 20bhp come from, or do we believe the low transmission loss theory of awesome
I personally dont but i would say somethings iffy Rolling road lottery and all that but i now only have faith in JBS's rollers as to me they give ''tight'' but believable results!
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Im wondering what the 100%+ boost actually does and if it is safe
Can we assume all remaps run on 100% boost but then APR allows you to squeeze more (Upto 106% in Sie's case) Surely this will have a negative affect also? If not, then why are all maps not set to this standard?
We're also putting a lot of faith into awesome's rolling road aswell, we already know it cant calculate fly figures, are the wheels figures realistic
In some cases like awesomes own LCR, 255-260whp. This would equate to 300bhp, but Bogg warner rates the max flow rate of turbo at 280bhp.
Rolling road lottery and all that but i now only have faith in JBS's rollers as to me they give ''tight'' but believable results!
I think the 4 hybrids need a RR shoot out to get to the figures.
i have for the moment disconnected the apexi control of the boost, as the stock ecu and it did'nt seem to get on... fueling was rich snuffing out the spark on boost. well weird as it had'nt done it before on the road, but round combe at full speed, it was'nt happy.
To eliminate the boost/fueling issues I disconnected the apexi's valve and replumbed the stock n75. no more overfueling or splutter, but some residual boost delivery i want better. It going back to CC shortly for cams to be fitted and new g'box & diff install and remap again... without Apexi to get it as good as it can be got. Then I will try the apexi again.
To eliminate the boost/fueling issues I disconnected the apexi's valve and replumbed the stock n75. no more overfueling or splutter, but some residual boost delivery i want better. It going back to CC shortly for cams to be fitted and new g'box & diff install and remap again... without Apexi to get it as good as it can be got. Then I will try the apexi again.
I thought custom code had their own version of V-tune & lemmiwinks!? Just up the load in that to up the requested boost! Can't see it making any difference though!
Carl i already tried playing with V-tune with standard turbo remember, and there was nothing else to be had!
I agree it would be interesting to get them all together!
Carl i already tried playing with V-tune with standard turbo remember, and there was nothing else to be had!
I agree it would be interesting to get them all together!
The wastegate port of my standard K04 turbo had 2 cracks in it about an inch long going from the front face where the flapper valve is located back on itself and into the housing. The cracks would have just kept on extending after repeated hot and cooldown use that i dont think it had much left in it anyway. I wonder how many other turbo units are in the same boat
I still managed to flog it though
Ive been given the opprtunity to test JBS's equal length mani out but for a cost of £450+vat (retail 650+vat)
Although with 3hrs fitting that equates to a price of about £700, so i personally dont think its worth it for perhaps an increase of about 0.1bar in boost.
Think ill just give this modding malarky up
Ive still got 340-350bhp/350lbft+ when i want it
Sie... CC do offer adjustable user software but ive not had the chance to play around with it yet. My serial port cable is not working with it so i need to get hold of a cable that does
On the vagcom logs, ive got 191.7% load, is that normal and can it be increased to alter boost? It offers in the software to up bost to 100% (I assume it will already be set at that) and you can adjust timing advance although im not sure on what effect this will have? Will this up the requested boost values?
I still managed to flog it though
Ive been given the opprtunity to test JBS's equal length mani out but for a cost of £450+vat (retail 650+vat)
Although with 3hrs fitting that equates to a price of about £700, so i personally dont think its worth it for perhaps an increase of about 0.1bar in boost.
Think ill just give this modding malarky up
Ive still got 340-350bhp/350lbft+ when i want itSie... CC do offer adjustable user software but ive not had the chance to play around with it yet. My serial port cable is not working with it so i need to get hold of a cable that does
On the vagcom logs, ive got 191.7% load, is that normal and can it be increased to alter boost? It offers in the software to up bost to 100% (I assume it will already be set at that) and you can adjust timing advance although im not sure on what effect this will have? Will this up the requested boost values?
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Triple D
Guest
Slightly off topic, but i seen you the other week on the A45 on the way to daventry wilko, you had pulled over in a layby and was just walking back round to the drivers side as i went past in my black ibiza
Slightly off topic, but i seen you the other week on the A45 on the way to daventry wilko, you had pulled over in a layby and was just walking back round to the drivers side as i went past in my black ibiza
If it was saturday then yes.
Sorting out some vac leaksTriple D
Guest
Yeah i think it was matey, didnt stop as i was in a slight hurry, its amazing how bouncy that road can be at speed
Sie... CC do offer adjustable user software but ive not had the chance to play around with it yet. My serial port cable is not working with it so i need to get hold of a cable that does
On the vagcom logs, ive got 191.7% load, is that normal and can it be increased to alter boost? It offers in the software to up bost to 100% (I assume it will already be set at that) and you can adjust timing advance although im not sure on what effect this will have? Will this up the requested boost values?
Not sure mate
You'll have to just have a play with it! I know V-Tune starts at 99.7% you can set it at 50% - 150% IIRC!
When you getting that fitted? Should be interesting! 0.1 Bar increase would be respectable IMO probably another 10 - 15 BHP
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