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d5252t turbo

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Old May 6th, 2016, 20:21   #11
tripletoneaudio
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Default kkk k14 turbo

Quote:
Originally Posted by martin_r_smith View Post
Yes it can hold more pressure, but so can the k14. I ran my k14 for 3 months at 1.8bar, only problem is it turns into a bit of a hot air blower! 16T holds the pressure easier. Are you planning on changing the nozzles? The k14 is man enough to take any amount of fuel the standard nozzles will allow.

Instead of fooling the map sensor just replace it with a 3 Bar.

A MBC also helped a lot, the internal wastegate setup on the k14 is a little poor at controlling boost. I got lots of creep before but now upto full pressure quicker and holding where I want it.

By far the best modification I made (most notable difference) was a 3"down pipe. I fabricated one myself but they may be available I'm not sure. This reduced egt dramatically and spool up was much quicker. Running 1.5 bar is more efficient too (cooler temps).

And remove rear silencer too.
Hi iam using the v70 d525 kkk k14 turbo on a t4 2.4 turbo conversion , iam having terrible trouble sourcing a standard v70 2.5inch downpipe , I saw u fabricated a 3inch one I have scoured eBay buy can find a flange for the k14 can u help please ....getting desperate .....Jon.
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Old May 8th, 2016, 18:48   #12
martin_r_smith
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We milled the flange ourselves.
__________________
850 tdi 200k+ miles, Holset HE221W , 3" intercooler, 2.5"pipework, big nozzles, 3" downpipe, 'free flowing' exhaust, custom remap = 237 bhp 364 ft/lb, and 45 mpg! Best of both worlds.

1983 244 - b230fk conversion.
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Old May 9th, 2016, 18:29   #13
tripletoneaudio
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Hi how difficult is it to use a td o4 on the v70 manifold which version exactly should I look for and off which model u don't still have the flange or downpipe for the kkk k14 turbo u used to run do u 3inch or 2.5 inch it's turning into a nightmare but I really want to get the best from this conversion thanks for your help .....
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Old May 9th, 2016, 19:42   #14
martin_r_smith
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I don't have the k14 stuff now sorry. I may however be changing the 16t in the next month to something I believe is better and what I would now advise you try too. Using a standard volvo 850 /v70 tdi manifold a holset hx27w bolts straight on, this is good for 240bhp if you can give it enough fuel. A holset HE221W (super rare in this country) is a little slower spooling but good for 280+bhp. Getting flanges for these is easy as they use v band clamps. The hx27w is easy to find and pretty cheap too so unless your power goals are over 240 you'll be fine. You will need 0.260 nozzles for that too.
__________________
850 tdi 200k+ miles, Holset HE221W , 3" intercooler, 2.5"pipework, big nozzles, 3" downpipe, 'free flowing' exhaust, custom remap = 237 bhp 364 ft/lb, and 45 mpg! Best of both worlds.

1983 244 - b230fk conversion.
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Old May 9th, 2016, 20:38   #15
tripletoneaudio
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Default hx27w

Firstly let me thank you for your help .......😊 I have seen this hx27 w on ebay 222104455383 but iam total confused by the exhaust outlet u say it's a v band but it seems to be a bolt on plate of some description I have searched for hx 27 w exhaust flange but can't find anything listed would this be the correct turbo to use what or were can I get the appropriate adaptor to the v band connection .......Jon. .....can I jut confirm hat this hx 27 w turbo will bolt straight on to the v70 5252 d 2.5 exhaust manifold ........thanks for the help jon.
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Old May 9th, 2016, 20:52   #16
tripletoneaudio
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Default hx27w

Firstly let me thank you for your help .......😊 I have seen this hx27 w on ebay 222104455383 but iam total confused by the exhaust outlet u say it's a v band but it seems to be a bolt on plate of some description I have searched for hx 27 w exhaust flange but can't find anything listed would this be the correct turbo to use what or were can I get the appropriate adaptor to the v band connection .......Jon. .....can I jut confirm hat this hx 27 w turbo will bolt straight on to the v70 5252 d 2.5 exhaust manifold ........thanks for the help jon.
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Old May 9th, 2016, 21:15   #17
martin_r_smith
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This is the flange you want http://www.ebay.com/itm/131759855057

That turbo will bolt on the standard manifold but you can get them for less money than that. There is one for about 100 at the moment, get it refurbished for 150-200, job done half the price. The only minor fab work you will have to do is a new bracket for the actuator as you will have to rotate the housing to fit your requirements, an easy job really.
__________________
850 tdi 200k+ miles, Holset HE221W , 3" intercooler, 2.5"pipework, big nozzles, 3" downpipe, 'free flowing' exhaust, custom remap = 237 bhp 364 ft/lb, and 45 mpg! Best of both worlds.

1983 244 - b230fk conversion.
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Old May 9th, 2016, 21:18   #18
martin_r_smith
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This flange is cheaper and a genuine holset piece

http://www.ebay.com/itm/252367833893
__________________
850 tdi 200k+ miles, Holset HE221W , 3" intercooler, 2.5"pipework, big nozzles, 3" downpipe, 'free flowing' exhaust, custom remap = 237 bhp 364 ft/lb, and 45 mpg! Best of both worlds.

1983 244 - b230fk conversion.
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Old Apr 11th, 2017, 17:33   #19
ChewyLV
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Nice thread.

Wish would read this before digged into my D5252T powerstation.

I did something out of this either.

My setup: 0.260 HFlox nozzle set (currently these nozzles are sold at Darkside developments as Gibonta Race)
Hybrid turbo (K14/K16)
Custom exhaust
Remaped ECU (22PSI)
Custom charge hoses

Dyno runs
203Hp/423Nm with pistol diesel
216Hp/452Nm with pistol diesel mixed with cetane booster

No smokes at all, and runs like a charm
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Old Apr 15th, 2019, 18:37   #20
Bidul82
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Hi, I'm new in this forum and I'm from France so sorry if I don't speak very well

So, I've a V70 mk2 D5252T and I'm looking for a bigger turbo. The Holset HE221W looks great but my question is at how many RPM does it wake up ?

Thanks
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