1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

S4 rad into a FB

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Old 04-15-07, 10:31 PM
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S4 rad into a FB

Well I spent the afternoon today installing my S4 rad that i bought from Robb. It was quite a bit of work but i think the out come was worth it. The next thing to do is install the efan that i have for it as well. Here are a couple of before removal pictures










Pictured below is are pic of when the cutting was done and the mounting tabs I built were mounted.







This is what it looks like with the rad mounted without the hoses installed.








And now the hoses installed.




Hope you guys like the pictures.
Old 04-15-07, 10:43 PM
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Looks good. Is the water temp cooler? How is it working without the fan shroud?
Old 04-15-07, 10:46 PM
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Is that Radiator any better than a stock FB? I ended up replacing mine with an aftermarket model which is plastic and seriously lighter. I've had it for over 50,000 miles and no signs of problems yet. However, all the mods I want to do to my car seem to be leading me towards S4ing the crap out of my car so I wondered if that radiator is an additional item I need to add.

I was reserved about a plastic radiator at first since I know the rotary engines get so hot but my car is in the state it is due to a fire. The fire was from an apartment complex which I was basically parked less than 10 feet from the blazing building. My bumper and front plastics got fooked but that radiator is still perfect. Hence, I've never looked back. The lighter wait was just an added benefit.
Old 04-15-07, 11:26 PM
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I dont know if the stock S4 rad i have in there is any better then the stock FB rad. The stock rad i had started rotting away all the fins were falling out. I put the S4 rad in there cause i like the look of the laid back rad. In the future when I turbo the P-Port I'm installing i will just order a 3 row aluminum S4 upgrade rad to keep things real cool.
Old 04-16-07, 01:55 PM
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i want it to this swap cause my radiator went bad and i didnt had an idea how to mount it. but nowi do. thanks for the pictures. what kind of hoses did you use?
Old 04-16-07, 02:48 PM
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the upper hose is a S4 upper hose, the lower hose is a First gen upper hose. lol
Old 04-16-07, 06:45 PM
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i ended up just going with an all aluminum remake from radiators.com i think i paid $124 for it and it works great. so much cooler and lighter than the stock one. i never go past 1/4 of the heat gauge.
Old 04-17-07, 04:08 PM
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bro nice work I just bought this fan and I like the lay back look too
http://www.sneedspeedshop.com/store/searchItem.asp
Old 04-18-07, 01:42 AM
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Unless you make some shrouds for the sides and bottom and some sort of fan shroud, You will find it cools less efficiently than a stock one.
Old 04-19-07, 03:06 PM
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Originally Posted by 85-GSL
i ended up just going with an all aluminum remake from radiators.com i think i paid $124 for it and it works great. so much cooler and lighter than the stock one. i never go past 1/4 of the heat gauge.


Was the original fit FB type used or the FC S4 type? Thanks.
Old 04-19-07, 10:18 PM
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Watch the lower rad hose. There's a bit of a kink in it, and since that part is under suction, you might collapse it at high revs. You can make a spiral support by winding some wire around the appropriate size tube, and then inserting it inside the hose. That's what I'm about to do for mine.
Old 04-29-07, 10:32 PM
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Looks good.

Did you make templates of the mounting tabs?

Are you going with the stock shroud and e-fan that came with the S4 rad?

edit: I hate radiators.com. Instead of just offering a catalogue, they make you go through a ******* retarded 'chat' screen with a bot that's as bad as the worst automated switchboard you've ever encountered.

When will businesses learn to build websites that let the customer go find what they want, instead of going through **** that some fat bastard at the company thought was 'cool' before obtaining any information?

Last edited by Manntis; 04-29-07 at 10:45 PM.




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