Chiffres sur cap de radiateur?

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blaakracing_crx

blaakracing_crx

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Avez-vous remarqué les chiffres sur le cap de radiateur? Il y a 0.9 sur ma CRx 1991, puis 1.1 sur ma Civic 1992. Que signifie ces chiffres? :dunno:

Pensez-vous que si j'interchange de cap, ceci pourra régler mon problème de"overflow de fluid de radiateur" quand je suis sur le piste de course? Pas de problème quand je roule sur en ville.
 
ouep, c'est la pression que le cap retient.

si t'as du jus vert qui pisse de la, change le cap!
 
il give you THE explanation , the numbers on your car are simply the BAR (1 bar = 101kilopascal or 14.503psi) that your cap can hold , 1 PSI raises the water boiling point of around 1.8˚C
if the cap cannot hold anymore prestone it shoots it in a tank , which means less prestone absorbing the engine heat , and also when water/prestone starts to boils it creates air bubbles which GREATLY diminish your cooling system effiency ...
Which means having a cap that can hold more pressure will help keeping things cool , and on 50% of the car rolling on the street the cap is done for and can't even hold it's preseted number
 
pour répondre a ta question , oui le cap de civic pourrait aider a arreter l'overflow , si le systeme de cooling du crx peut supporté 1.1 bar
 
Il y a un gars dans un autre forum qui avait un cap de 1.6 (rad. de Sir, JDM) pour sa Crx.

Donc, j'assume que le 1.1 devrait marcher.
 
well most japenese one's like j's racing, mugen, spoon caps raise it's to 1.3 so 1.1 should be capable on your crx system.
 
Depends on the cooling system state , if your radiator is damaged or it corroded , maybe some more psi will break trought the core ...
you decide what to do
 
Well, the 1.1 cap from my Civic 92 doesn't fit on my stock Crx rad! The car has never since winter. Its been three years ago that I have changed the rad.

Next, I will try a product that reduces rad coolant temperature. If that doesn't work, I will have to upgrade to a Teg '90-'93 rad (double-core) with a 1.1 cap.
 
200sxBoY said:
il give you THE explanation , the numbers on your car are simply the BAR (1 bar = 101kilopascal or 14.503psi) that your cap can hold , 1 PSI raises the water boiling point of around 1.8˚C
if the cap cannot hold anymore prestone it shoots it in a tank , which means less prestone absorbing the engine heat , and also when water/prestone starts to boils it creates air bubbles which GREATLY diminish your cooling system effiency ...
Which means having a cap that can hold more pressure will help keeping things cool , and on 50% of the car rolling on the street the cap is done for and can't even hold it's preseted number
Click to expand...



Here's a good link about Rad caps...

http://www.stewartcomponents.com/tech_tips/Tech_Tips_2.htm


Some others cooling tips... Good reading *tu*

http://www.stewartcomponents.com/tech_tips/Tech_Tips_1.htm

http://www.stewartcomponents.com/tech_tips/Tech_Tips_3.htm

http://www.stewartcomponents.com/tech_tips/Tech_Tips_4.htm

http://www.stewartcomponents.com/tech_tips/Tech_Tips_5.htm
 
Here is the coolant product additive description:

Red Line Cooling System Additives

Water Wetter Water Wetter® is a unique wetting agent for cooling systems which reduces coolant temperatures by as much as 30ºF. This liquid product can be used to provide rust and corrosion protection in plain water for racing engines, which provides much better heat transfer properties than glycol-based antifreeze. Or it can be added to new or used antifreeze to improve the heat transfer of ethylene and propylene glycol systems. It is designed for modern aluminum, cast iron, copper, brass and bronze systems and is compatible with all antifreezes, including the latest long-life variations.
 
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