Does anyone know where I can find a low pressure radiator cap? Like 5 or 7lbs. I am gonna be running the evans coolant and would like to still have some pressure but I would like it to be fairly low.
Thanks
Jeremy

 

No one is running a lower pressure cap..?

 

higher pressure would make it harder to boil

 

I know but I am going to be running evans NPG+ it is suppose to be used with low or no pressure.

 

Update please

 

http://www.corksport.com

 

how do they expect you to convert your mild pressure system to a low pressure system?

if you do manage to find a low pressure cap it will bypass and dump coolant out, maybe too much causing air pockets to form.

i never really did trust this stuff, has anyone even used this **** before? sounds like just another gimmick to me...."as seen on TV!"

 

a big waist of money, time, and effort. dont waist any of that on something that will probally **** u off, that ull have to take off anyway, 16psi is good any thing below will leak. good luck.

 

The only way I can think of: Try going to any autoparts stores. There seem to be only a few different sizes of rad caps. Isolate the RX-7 size cap and see if there are any of the same size that are lower pressure. I know that worked for me with an aftermarket Howe rad.

 

Thanks for the advice and ideas I appreciate the input.
Jeremy

 

Wow, I enjoyed how your post was based on so much fact

Do you even know what Evans is?

James

 

Here is a little FAQ, for the 'misguided' people posting in this thread:

http://www.evanscooling.com/html/faq1.htm
http://www.evanscooling.com/html/tech1.htm

 

U running Evans?

 

I will be running Evans, I have it already just need to put it in. I figured I would do it now since I am installing a fresh rebuild. The system is completly dry so it is the prime time. I cant really argue one way or the other as I have not used it yet. From what I have read this is suppose to be some good stuff. People on here who have used it give it high marks. I cant seem to find like 7lb cap though .

 

Yeah, I am in the same situation...new rebuild that is dry inside....

However, I am affraid to put the evans in at first .... I am going to run distilled water for the first few hundred miles. I don't want to find out I have a leak....at 27 bucks a gallon....once I put it Evans in...it isn't going anywhere!

http://www.pineappleracing.com/Prod-EvansNPG.html

A good read.

 

From Q&A on evans site
Question: Is NPG a "DRAIN AND FILL" product?
Answer: If your system already has the effective flow rates needed to run with NPG, the answer is YES. Unfortunately, most vehicles, with the possible exception of large heavy duty engines and motorcycles, need some sort of modifications to establish the necessary flow rates required for effective operation with NPG.



--------------------------------------------------------------------------------
Question: How much NPG will I need for my system?
Answer: While these numbers may vary slightly; Small Block engines typically require a minimum of 4 gallons while Big Block engines require at least 6 gallons.

Remember our systems run very hot what have you done to enlarge cooling system capacity and to ensure sufficient flow rates?