then you will still have problems regardless of the coolant once the saturation and working pressure limitations of the coolant/system are met. If your cooling system heat exchangers are not up to the job for your given conditions. this coolant would help to reduce deto issues. those issues are related to nucleate boiling in the head. worth it.Įvans is a recognized supplier in the racing world as well as the heavy-duty/fleet industry and is not a gimmick business.Īnother benefit. I'll be running this in all my sleds this year. I only have experience with the NPG products. NOTE: There are other brands of NPG coolants out there. Here is a good tech presentation of coolants and NPG products NPG+ is good for use in ambient temps to -40F where the original NPG was only good into the +30's F.Ī good friend of mine who is the engineer on a large yacht uses the Evans coolant in the 5000+ HP diesels on-board.He swears by it, after having cooling issues in warm tropical waters at full load.ĭiminished Nucleate boiling and better heat transfer rates into/out of the coolant are what better coolants can do for you. I did not know about the NPG+ at at that time I initially filled the cooling system in the Car. I would have used the original NPG (as compared to the + product) but the owner sees sub freezing temps and sometimes uses it on sunny but cold days in the winter. then switched out to the NPG+ coolant from oling problems went away. switched from Standard Ethylene Glycol (Peak brand) 50/50 to adding water wetter. It had some cooling issues on hot days in slow traffic even though it had a huge custom aluminum radiator and the biggest fan that SPAL makes. I built a custom street rod last year for a client.With a monstrous Sonny Leonard engine in it. So I switched back to standard 50/50 after fixing the water pump (what a PITA). I tried some of the original NPG from Evans a few years back. It is one of the best coolant liquids out there. Evans NPG+ (non aqueous propylene glycol) which has zero water in it. If you really want a "No BS" coolant for your sled that is truly the best on the market for heat transfer ability. the coolant in the motor could be too hot in spots. Though the temp gauge might read one thing. and there are many hot spots in a motor where coolant can boil without you knowing it. Water is only effective up to its boiling point. Also the other additives present in the formulation play a role in the effectiveness of the coolant. It does not store any personal data.Came across this post from MOUNTAINHORSE over in the Polaris forum. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly.
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