I found a fluidine 4 1/2 thick 28 wide and 18 high. what do you guys think? I also have a reduced oddessy battery and hks SMF intake as well so I have a good amount of room killed.

 

Um...4.5 inches thick? That's the thickness of some IC cores, without the finning for good airflow. You'll have a difficult time getting decent airflow through the core for good heat transfer, especially if mounted in the stock position, nevermind any fitment issues.

 

A radiator with that thickness would require a lot of custom fab work. A Koyo is ~2.5 inches thick, so the extra 2 inches would eliminate it as "stock" replacement. You could use it for a custom V-mount setup I guess.

 

you can make most anything fit with enough work, and most likely money. hehe

 

Well guys here's the thing I have a koyo as well but I paid 100 for the fluidine. I do my own welding an such so I wanted to take on the task of this enomous rad. I've always been a freak when it comes to keeping my FD happy an cool. Bottom line do you think it would hurt or help the FD more then the koyo?

 

It would be less effective than a proper radiator for the FD, because as stated before, it's too thick to get decent airflow through the core in the stock position.

 

I agree. You'd need to wire up some very high draw fans to overcome the drag of moving air through it. A heat exchanger like that would probably be best for running a car that gulps air at 100+mph.