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I did a search and all I got was the Spoon Radiator Cap.

Does anybody know of any radiator upgrades for the 01+ Civic? My car is not running hot, but I plan to prep my car for competition. Engines tend to respond much better when they're not overheated. If you have any links or know of any replacement upgrades, please post.

 
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check the fluidyne or C&R websites to see if they have anything that may be universally applicable to our engine...

 
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I don't think there are any out there specifically for our application. However, I noticed a drop in engine temperature when I had my Tsunami front bumper istalled. Bigger opening for the air! Also, an oil cooler will help with cooling the oil. That's worth it. Plus a transmition cooler will cool the oil in the transmition. Not that worth it, but it might help when shifting muchly and reving muchly.

 
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i heard an interesting fact from one of my good friends a while back..

"3 degrees of heat lost or gained = 1 horsepower lost or gained"

in other words, if you can lower your cars temp by 3 degrees, you gain one horsepower....

 
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I've been driving with the heater up to keep the engine heat down. I did notice better engine response. I can't say that it gave me more power, but it is easier to work with.

 
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Put in a colder thermostat. Your engine will run much cooler. You will notice the difference right away.

 
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what about a larger oil pan too, that might help keep the temp down.

 
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what does the thermostat do??

i searched...[IMG]i/expressions/face-icon-small-tongue.gif[/IMG]

 
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You will also increase cylinder wall wear with a cooler stat.

 
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Add an oil and ATF cooler (if you have an auto). I believe Jegs has one that does both. If you have a manual stick with your current radiator and add an oil cooler. A cooler stat will also keep temp down, but at a risk. No matter what a cooler engine will increase cylinder wall wear, but protect more against predetonation. Also, if you run too cool your ECU will get stuck in "open-loop" mode. It will constantly think it's in warm-up mode and not run the engine to it's MBT (max base timing).

 
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Coolant circulation is restricted until the thermostat opens. This is to allow a faster engine warm up. If you have a 160 degree thermostat, your engine coolant will run at 160 degrees after the thermostat opens. If you put a 140 degree thermostat your coolant will run at 140 degrees. That assumes your engine doesn't over heat for some reason. Most engines will run better if kept a little cooler.

 
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By how much? I ran a 140 Hypertech thermost in my Firebird for 100,000 miles and there is no abnormal wear. Compression is still in spec, uses no oil, and it still runs just great.

I believe the converse to be true. If you run too hot under adverse conditions, you will increase fricition and wear.

 
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Too hot = predetonation = immediate destruction of metal.

Think of it this way...metal expands when hot and contracts when cold. Cooler engine equals more wear as the pistons go up and down. A hotter engine (aside from ping) can allow oil to escape past the piston rings to be burnt in the combustion cycle.

 
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If that's the case, and if oil is getting past the rings and you are buning oil. That's not good. You will also lose compression if this is the case. Another factor is that oil viscosity decreases as temperature rises, and at some point the oil loses it's lubricating ability.

Oil is supposed to flow through the little holes and passages in the engine. There needs to be just enough on the cylinder walls to lubricate, not go past the rings.

The expansion is a case of differential expansion of metals. If the engine is too hot, the rings and pistons will expand faster than the cyliders and the engine will have MORE friction and more wear.

Proof of this? Run an overheated engine and it will totally lock up at some point.

The only time that too cold causes excessive engine wear is if you drive too hard on an engine that isn't warmed up and good oil flow has not yet been established. Another wear factor is any moisture condensatin that is present on a cold start.

A 140 thermostat or a 160 thermostat, no measurable difference in cylinder wall wear over the life of the engine.

If you don't believe me, ask Hypertech. Theyve been making engines run cooler and better for many years now.

 
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does anyone know if the d17 and d16bue the same oil pan because i have a moroso oil pan for d16z6