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68HTA oil feed set up


Gtpdz
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Galant VR-4 org Post #: 1227671 posted 05/05/16 08:21 AM     Remind Me!  Send Private Message   Edit Post      
Just curious guys who run 68HTA, what is your oil feed set up? I know the FP website recommend running from OFH, do you need any restrictor? Thanks...

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faqinshiet
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Galant VR-4 org Post #: 1227682 posted 05/05/16 01:40 PM     Remind Me!  Send Private Message   Edit Post      
It's say pm gstwithpsi he has his installed and running. I don't believe he has mentioned using a restrictor



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turbowop
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Galant VR-4 org Post #: 1227683 posted 05/05/16 02:43 PM     Remind Me!  Send Private Message   Edit Post      
If it's anything like the old green and red that had monster thrust bearing, it will want lots of oil. So running from the OFH with no restrictor is preferred. Being journal bearing, it can handle the flow. That's how I ran my old FPgrren anyway.



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GSTwithPSI
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Galant VR-4 org Post #: 1227721 posted 05/05/16 10:43 PM     Remind Me!  Send Private Message   Edit Post      
Quoting Gtpdz:

Just curious guys who run 68HTA, what is your oil feed set up? I know the FP website recommend running from OFH, do you need any restrictor? Thanks...




Did you not get my PM?

click



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Edited by GSTwithPSI (05/05/16 10:50 PM)

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Gtpdz
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Galant VR-4 org Post #: 1227729 posted 05/06/16 06:25 AM     Remind Me!  Send Private Message   Edit Post      
Yes I did, thanks a lot for the infor!

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swe_gvr4_1991
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Galant VR-4 org Post #: 1227730 posted 05/06/16 07:33 AM     Remind Me!  Send Private Message   Edit Post      
I run my 68HTA from the stock oil feed in the head. No ill effects. Been running it like that for years now. I have a FP oil feed lying on a shelf. Might try it out some day.



.. KiM H ..
Galant VR-4 1991. Gulf spec.
Author of Swede Density software - REAL speed density for 1G's and GVR4's - Videos

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donniekak
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Galant VR-4 org Post #: 1227739 posted 05/06/16 11:19 AM     Remind Me!  Send Private Message   Edit Post      
How much boost do you run, feeding from the head?

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GSTwithPSI
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Galant VR-4 org Post #: 1227748 posted 05/06/16 03:44 PM     Remind Me!  Send Private Message   Edit Post      
Quoting swe_gvr4_1991:

I run my 68HTA from the stock oil feed in the head. No ill effects. Been running it like that for years now. I have a FP oil feed lying on a shelf. Might try it out some day.




That's the old TD05H version, so I'd guess that's how you can get away with oiling it like a 16G.



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swe_gvr4_1991
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Galant VR-4 org Post #: 1227760 posted 05/06/16 06:22 PM     Remind Me!  Send Private Message   Edit Post      
I run 30 PSI (2 bar). It's a weekend warrior. Yes it's a TD05H CHRA.
Boost curve:
click



.. KiM H ..
Galant VR-4 1991. Gulf spec.
Author of Swede Density software - REAL speed density for 1G's and GVR4's - Videos

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Galant VR-4 org Post #: 1227765 posted 05/06/16 09:39 PM     Remind Me!  Send Private Message   Edit Post      
What kind of airflow are you logging @ 30 PSI?



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swe_gvr4_1991
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Galant VR-4 org Post #: 1227769 posted 05/07/16 06:37 AM     Remind Me!  Send Private Message   Edit Post      
I can do the math on that if needed. Since this log was pulled using speed density you can only do a estimation of airflow. If a MAF were connected you could measure airflow directly.
This graphs also stops well before the max rev and therefore you cannot estimate the max airflow of the 68HTA from it.

But if we would like to estimate the bhp at 3600 rpm @ 30 psi we get:
1 * 3600 = 3600 liters/minute / 60 = 60 * 3 = 180 liters/second * 1.22 = 219.6 grams/second × 60 / 1000 = 13.176 kg/minute * 2.204 = 29 lbs/min * 10.5 = 304 bhp @ 100 VE uncompensated.
If we assume 80% VE then we get 244 bhp.
This is very close to the max claim of 51 lbs/min or 510ish bhp @ max rpm and VE.



.. KiM H ..
Galant VR-4 1991. Gulf spec.
Author of Swede Density software - REAL speed density for 1G's and GVR4's - Videos


Edited by swe_gvr4_1991 (05/07/16 07:36 AM)

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Galant VR-4 org Post #: 1227900 posted 05/09/16 08:13 PM     Remind Me!  Send Private Message   Edit Post      
51lbs/min is the rating on the new 68HTA. I didn't think that type of airflow was possible on an unclipped TD05H turbine?



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swe_gvr4_1991
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Galant VR-4 org Post #: 1227901 posted 05/09/16 08:58 PM     Remind Me!  Send Private Message   Edit Post      
You might be correct. But nonetheless it's in the same territory.



.. KiM H ..
Galant VR-4 1991. Gulf spec.
Author of Swede Density software - REAL speed density for 1G's and GVR4's - Videos

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GSTwithPSI
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Galant VR-4 org Post #: 1227903 posted 05/09/16 09:07 PM     Remind Me!  Send Private Message   Edit Post      
Agreed.

Am I reading your graph right? You're seeing 30 PSI by 3,800 RPM?



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Edited by GSTwithPSI (05/09/16 09:08 PM)

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swe_gvr4_1991
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Galant VR-4 org Post #: 1227905 posted 05/09/16 09:10 PM     Remind Me!  Send Private Message   Edit Post      
Boost is at 30 PSI @ 3600 RPM.



.. KiM H ..
Galant VR-4 1991. Gulf spec.
Author of Swede Density software - REAL speed density for 1G's and GVR4's - Videos

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Galant VR-4 org Post #: 1227906 posted 05/09/16 09:20 PM     Remind Me!  Send Private Message   Edit Post      
Ah, couldn't tell if that was a 5 or an 8.

How in the hell do you get that turbo to spool so quickly, especially on HKS 272s?



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swe_gvr4_1991
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Galant VR-4 org Post #: 1227915 posted 05/10/16 08:26 AM     Remind Me!  Send Private Message   Edit Post   
The 16G framed turbos should spool very quickly. If they don't there are a few possible reasons. One of the being the tune ofcourse, another is the routing of the intake tract, filter, IC, and piping.
I have a super short route for mine. It's not even a total length of 1 meter I think (3-ish feet). See picture: click
The piping does not have any hoses that can expand, just 2.5" steel piping, with couplers.

But as I mentined the tune makes a world of difference. I never achived this kind of response on a MAF and a E931 base code. It simply didn't want to go there.
And a very important thing that many racers forget to do is to go WOT. And by that I mean they go anything from 60-90 % throttle and consider it a WOT pull. It's simply not. You must stab it to 100% instantly. I know this sounds funny, we all go WOT right. I can say no in so many cases. Have had 100's of logs sent in to me where racers go WOT but only go to max 80-90% throttle. This reduces the VE drastically.



.. KiM H ..
Galant VR-4 1991. Gulf spec.
Author of Swede Density software - REAL speed density for 1G's and GVR4's - Videos


Edited by swe_gvr4_1991 (05/10/16 08:26 AM)

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