geoler Posted July 24, 2010 Posted July 24, 2010 Hi all, Do all zeds have a Nismo radiator cap? If not is this simply a cosmetic upgrade? Cheers, Geo Quote
Darren-B Posted July 24, 2010 Posted July 24, 2010 Mine has a Nismo cap but I dont believe its a standard part Quote
ZMANALEX Posted July 24, 2010 Posted July 24, 2010 The Nismo cap is an upgrade to a higher pressure. Quote
geoler Posted July 24, 2010 Author Posted July 24, 2010 The Nismo cap is an upgrade to a higher pressure. I'm guessing you're joking as higher pressures would have a knock on affect requiring other component upgrades? Cheers, Geo Quote
ZMANALEX Posted July 24, 2010 Posted July 24, 2010 The Nismo cap is an upgrade to a higher pressure. I'm guessing you're joking as higher pressures would have a knock on affect requiring other component upgrades? Cheers, Geo Why would I be joking.? You asked the question and I gave you the answer. In old money stock is around 12.6 lbs and Nismo around 18.2 lbs. Alex. Quote
neo-ninja Posted July 24, 2010 Posted July 24, 2010 surely all it is, is a metal bung with nismo written on the top, how can it have any effect on pressure? Quote
Wookiee22 Posted July 24, 2010 Posted July 24, 2010 I think Alex means that it is rated to a higher pressure. Quote
neo-ninja Posted July 24, 2010 Posted July 24, 2010 oh ic ic, how does that work then? http://cgi.ebay.co.uk/NISMO-RADIATOR-CA ... 1c1437527e Quote
Wookiee22 Posted July 24, 2010 Posted July 24, 2010 oh ic ic, how does that work then? http://cgi.ebay.co.uk/NISMO-RADIATOR-CA ... 1c1437527e That's just a sticker, can't see it doing all that much! Quote
neo-ninja Posted July 24, 2010 Posted July 24, 2010 lol thats what i was trying to hint at... Thats all they are arnt they a radiator cap with a fancy badge on. There is no super advanced technology or crazy cryptonite infused aluminium that makes them any better? Or is there....(i dont actually know) Quote
Wookiee22 Posted July 24, 2010 Posted July 24, 2010 I think (based purely on what Alex was saying) that the actual Nismo ones (not just a sticker) are rated to work on a higher pressure system than the standard ones, whether this be a result of a different design or different materials. Quote
Darren-B Posted July 24, 2010 Posted July 24, 2010 The nismo one basically has a stiff spring inside resulting in it being able to hold a higher pressure within the cooling system Quote
SteveW Posted July 24, 2010 Posted July 24, 2010 And the higher pressure increases the boiling point of the coolant. So it has a functional purpose. Only downside is higher pressure can potentially create more fatigue on the plastic radiator end tanks meaning the rad won't last as long. Quote
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