HLA Pressure Regulator
Actively Regulates Lash Adjuster Supply Pressure to a Constant 15psi.
Does Not Reduce Pressure to the Turbo or the Camshafts
Accomplishes this by Restricting Flow Instead of Dumping Extra Pressure like the JDM Regulator.
Reduces Oil Flow Into the Head, Keeps More Oil in the Pan.
In Some Instances can Greatly Improve Oil Pressure at the End of a 1/4mi Pass. See Results from the Kiggly Racing Drag Car »
Air Bleed at the Highest Point Helps Oil Quality and Aeration to Lash Adjusters.
http://www.kigglyracing.com/parts/HLA_Pressure_Regulator.htm
Important Conversation with Kiggly from DSMTuners
Originally Posted by kiggly
Hi Jonathan, I'll do my best below to reply to your questions.
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High rpm makes this problem worse as the oil system in these engines doesn't seem to do a good job of keeping the oil in the lower end well in control inside the oil pan. I don't have any solid proof of this, but I believe that at high rpm a lot of oil is suspended in windage within the engine block, which also makes the amount in the pan available to the pickup worse. To answer your question, at any rpm range the HLA regulator will help keep oil in the pan. The question is whether you have a problem with the pan being run low or not. I've had some EVO road-race customers report back that some corners (mostly long sweepers) caused major oil pressure loss before the HLA regulator and they had no oil pressure loss at all after the regulator.
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I think there is a very good chance our product will be beneficial in your application. The other gain that wasn't mentioned is the reduced oil into the catch can. For your type of application, I think a catch can with a return to the oil pan would be a really good idea. Long track sessions could fill up a catch can that doesn't pull back to the oil pan. Buschur makes a product like this and there is also some tech info on the internet for how it is set up. The OEM honda oil systems have this type of setup as well. Thanks, Kevin |
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Originally Posted by JonathanNL
Hi Kevin,
Thank you very much for answering my questions in detail! I will definitely purchase one of your HLA regulators (at MAPerformance, since they, just like ExtremePSI, are very reliable international sellers), since keeping (only unnecessary!!!) oil out of the head and in the pan where it is needed already seems like a good enough reason to install one of these! Adding that these engine are known to have a lot of blow-by (for which, in my opinion, the stock PCV-system already was not sufficient even on stock boost) and preventing the pointless loss of oil because of this is a nice added feature! I just have these last questions that popped into my head when reading this part:
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And is any increase in oil pressure to be expected because of this (in my case in the older 4G63T engines)? (And, If so, should porting of the oil relieve valve be done to solve this, just like in the case of removal of the balance shafts..?) I hope you can clarify these lasts questions I had (probably only because of lack of full understanding of the oil system in the 4G63 engines on my part... )! I will of course post your previous and any upcoming answers in the threads regarding the Kiggly HLA regulator for the benefit of all the others interested in your product, but who are looking for a bit of extra information to convince them to buy it! Kind regards, Jonathan |
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