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Old 12-18-01, 01:59 AM
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Fear The RE

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Oil Cooler

Sup everyone.
It appears that i hit somthing, cause
that foam thing on the bottom of the
oil cooler was hanging off. and it is
indented a bit. (nothing serious) anyways
is that piece that important. Thanks
Lates Matt22
Old 12-18-01, 09:56 AM
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Haven't we ALL heard this

 
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I think the foam is there to help direct the cold air to the oil cooler. And not past it. So not having foam will simply let cold air go by. Probally run cooler with the foam in place.

James
Old 12-18-01, 12:33 PM
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so if the foam is hanging does that mean that the belly pan is off? if so you will start having cooling problems soon if not allready. Can't stress enough the importance of that pan.
JW
Old 12-18-01, 01:35 PM
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Eggs are like fowl cheese

 
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my foam is hanging down too. I'm gonna yank it off soon. I don't have that plastic pan on the bottom of my car either. I seriously doubt you will run into cooling problems. I removed that pan 2 days after I got the car. The only cooling problem I've had is a stuck thermostat. I replaced it with an aftermarket 180 degree 7000+ miles ago and my needle rests on top of the C on the temp gauge.

As far as the oil cooler, don't worry about it. My foam has been torn/hanging for a long time now and nothing bad has happened. My oil stays a nice tan/bronze even after 2500 miles.

So to sum up, you'll be fine.
Old 12-18-01, 01:47 PM
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No offence but at the HP you are making you most likely will not have any cooling problems. But if you up your numbers beware the heat. This is what kills most rotaries. I have made a custome intake shroud to direct all of the air coming through the grill to the radiator. Car is making 200hp at the wheels and runs at 190*
Old 12-18-01, 01:53 PM
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Yeah, I don't have the belly pan on mine either. The damn mechanic who worked on it a while back took it off and I've never seen it since. He no longer lives (or works) around here, so looks like I'll have to get a new one. I haven't had any cooling problems, but it gets hella dirty in there without it. Oh well, the mechanic left a mag flashlight (it's pretty damn nice), and also a couple of tools, so we are even.
Old 12-18-01, 01:59 PM
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Eggs are like fowl cheese

 
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Originally posted by EProdRx7
No offence but at the HP you are making you most likely will not have any cooling problems. But if you up your numbers beware the heat. This is what kills most rotaries. I have made a custome intake shroud to direct all of the air coming through the grill to the radiator. Car is making 200hp at the wheels and runs at 190*
No offense taken.
Old 12-18-01, 05:01 PM
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Hey guys, Read this:

Why do I need the sheet metal and plastic shrouds ducting air into the radiator?

"You must keep all the stock sheet metal and plastic shrouds around the front of your car that duct air thru the radiator. It is important that the ram air going in thru the nose of the car be forced thru the radiator, so you must not allow it to escape under or around the radiator instead. The air is going to follow the easiest path. If you don't have the shrouds in place, the air will just go under or around the radiator and not thru it. If you run an aftermarket air dam, make sure you have sheet metal or plastic to duct the air from the air dam opening to the radiator. Close up every little hole that might let the air bypass the radiator. If you have everything ducted nice and tight with no leaks, then you do not need a fan to keep your engine cool while traveling down the highway; the ram air coming thru the nose will cool the radiator just fine. I have an electric fan on my racecar for when I am sitting still on the starting grid or cooling off after a race. I do not need to run my fan at all while the car is moving because the natural ram air provides plenty of cooling air. I cannot over stress how important it is to provide proper air flow thru the radiator. Remember, this cooling system is a system. Everything must be right. Just because you bought the worlds biggest radiator and stuck it under your hood, your car may still overheat if you do not duct the air thru the radiator properly. The most common cooling system mistake that I see on race cars is not having the correct ducting to feed air to the radiator, the ignorant ones leave big gaps and holes or even no air dam, and their gaps and holes let the air go around the radiator instead of thru the rad."

I got it from www.mazspeed.com. This site has a lot of good info. Most is for 1st gens, but a lot of it is just general info.

-Derek
Old 12-18-01, 05:05 PM
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Fear The RE

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Hey thanks for all your replys.
I like the idea of inclosing the front undercarriage to get maximum
'natural' cooling. Sounds like something i might try.
thanks again Matt22
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