87 celica GT-i --> 4age 16v!

nice! hope to see it on the track soon! =D only if i had that kinda money to build a track car for myself
btw, where did you get the strap? and how did you hook it up? looks waaay better than the "jdm" tow hooks

 

i've been all over it on ebay! im gonna order two. one for the front and one for the rear. =]

 

Love the steelies. I'm looking for a wheel change, and white is on the top of the list for me. I may just go this route if I find a good looking 16" wheel in steel.... :thumbsup:

 

Nice update! I like that tow strap! Never seen those in the states before.

 

hmm, I have trd's as well but they look different.... will post a pic thisafternoon.

 

Will it make any difference in everyday usage?

 

I'm really digging the 4A-GE you have going on! I've always been a fan of white wheels too. I think they look good on just about everything. You've really put a lot of work into the car as a whole! Good job and keep it up!

 

not sure how it would affect it, but the original pressure is at 0.9 bar and this one says 1.3 bar; about 6psi difference

 

Please correct me if I'm wrong. In theory, the higher the temp of coolant, the higher the pressure. So if it goes over 0.9 bar, the cap is releasing coolant to the overflow tank. With the 1.3 bar cap it will release it later, allowing higher temps. But! If the temp is higher than normal, it's already a problem, right? I'm sure I'm missing something.

 

the coolant just stops the engine from melting...

 

i think i've got it...the higher pressure of the cap shouldn't matter to temps because releasing coolant into the overflow doesn't cool it down or anything. the only negative i can think of is that the radiator is going to be holding a higher pressure, but it should be the same temp.

now if there is higher pressure in the radiator, it means more overall liquid in the cooling system, as long as the fans and the radiator itself is capable of cooling down the increased amount of liquid, it should be fine.

 

^ Makes sense.

 

This should help lads and I quote :-

Radiator Cap (Pressure Cap)

The radiator cap is more than a cap for your radiator; it keeps your engine cool by sealing and pressurizing the coolant inside it. It is designed to hold the coolant in the radiator under a predetermined amount of pressure. If it was not kept under pressure, it would begin to boil, and soon all the coolant would have boiled away. However, the radiator (or pressure) cap prevents this from happening by exerting enough pressure to keep the coolant from boiling. If your cooling system is under too much pressure, it can “blow its top”! To prevent this, the radiator cap has a pressure relief valve. The valve has a preset rating that allows it to take just up to a certain amount of pressure. When you turn the cap on the filler neck of the radiator, you seal the upper and lower sealing surfaces of the filler neck.

The radiator cap actually increases the boiling point of your coolant by about 25 C. How does this simple cap do this? The same way a pressure cooker increases the boiling temperature of water. The cap is actually a pressure release valve, and on cars it is usually set to 15 psi. The boiling point of water increases when the water is placed under pressure.

The pressure relief valve spring is compressed against the lower seal when you lock the cap. The radiator filler neck has an overflow tube right between the two sealing surfaces. If the pressure in the cooling system exceeds the preset rating of your cap, its pressure relief valve allows the lower seal to be lifted from its seat. Then the excess pressure (coolant, air) can squish through the overflow tube into the coolant reservoir.

When the fluid in the cooling system heats up, it expands, causing the pressure to build up. The cap is the only place where this pressure can escape, so the setting of the spring on the cap determines the maximum pressure in the cooling system. When the pressure reaches 15 psi, the pressure pushes the valve open, allowing coolant to escape from the cooling system. This coolant flows through the overflow tube into the bottom of the overflow tank. This arrangement keeps air out of the system. When the radiator cools back down, a vacuum is created in the cooling system that pulls open another spring loaded valve, sucking water back in from the bottom of the overflow tank to replace the water that was expelled.


There are repeats in this statement but you get the drift :thumbsup: