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Ben Lobenstein 90 TR (Benjet)
Posted on Thursday, September 20, 2001 - 10:38 am:   

Andy

check out this link about halfway down:

http://209.196.179.161/discus/messages/112/1579.html?


not sure if this was on a 2v or Qv but someone did manage to replace the main guts of their 308 rad with a newer more efficent one. Hope this helps.

-Ben
'75 308 GT4 (Peter)
Posted on Thursday, September 20, 2001 - 4:14 am:   

I noticed when I repainted my rad, I scrapped the old paint off and the tanks were brass. I'm not sure, but I think the core is a typical copper. I'm sure the thickness of the tanks is very thin, so welding (or more like brazing, or even soldering) would've warped the tank. Distortion too from the heat of the welding, would also stress the original (and weak) areas and that could cause the additional leaks. You can either remove the tanks entirely and start from scratch, or the easiest and most successful would be to just replace. There is no substitute, the connections are dedicated to the car (hose and temp switch).
magoo (Magoo)
Posted on Wednesday, September 19, 2001 - 11:09 pm:   

No Andy, I didn't mean engine heat, I was referring to welding temperature. Check with Peter. What have you got to lose? You may find out that the people doing the welding did not know what they were doing. Peter is pretty good at this.
Andrew Chapman (Xx7xx)
Posted on Wednesday, September 19, 2001 - 10:57 pm:   

I an not sure where the original cracks were which were repaired before i purchased the car. The first time it cracked, it cracked on the drivers side, near the top & on the passengers side on the bottom.

It looks as if it is cracked on the drivers side near the top again. Do you think 220 degrees F is too hot for the car to be running? Is this temperature causing the pressure to increase too high, cracking the radiator. I dont want to get a new radiator and crack it. If there could be a root cause of the problem, i want to fix that first.
William H (Countachxx)
Posted on Wednesday, September 19, 2001 - 9:15 pm:   

In the UK Maranello Challenge they would install an MB radiator in the 308s, probably better & considerably lighter
magoo (Magoo)
Posted on Wednesday, September 19, 2001 - 9:10 pm:   

Andy have all the repairs been in the same area? The three cracks, were they in the same area or different places? If they were in the same area it could have been a bad repair originally. Too much heat, wrong alloy rod, whatever. If they were in different places on the radiator then it sounds like you have a problem of corrosion from the inside out unless those places were repaired incorrectly before and are just surfaceing. Peter is the welding expert on the F.C. line. Give him a shout at [email protected] . He may give you some ideas about what could have happened.
Mark C. Gordon (Markg)
Posted on Wednesday, September 19, 2001 - 3:17 pm:   

The latest Forza has an add for 308 aluminum radiators for around $900, which is very cheap for a Ferrari part...it is a direct replacement, although there is some argument in the automotive world as to wheather alluminum is the way to go.

Hopefully your Ferrari expierence will be better than mine, I have put over $14k into mine since buying it 4 months ago, virtually duplicating everything the previous had done 18 months ago....and there is no question but that I'm going to sell, maybe get me a nice Yugo....
Paul Sloan (Sloan83qv)
Posted on Wednesday, September 19, 2001 - 2:41 pm:   

Andrew,
I know of no off the shelf after market radiator but a good performance radiator shop will be able to build a nice cross flow radiator for around $500.

The reason for the leaks is that you have a 17 year old car and the radiator is probaly badly rusted and corroded. This is also the reason why it is running a little hot.

Your problem is typicial and not worth selling the car over, I would recomend that you check and replace all hoses since some could be orginal, remember it is 17 years old.
Andrew Chapman (Xx7xx)
Posted on Wednesday, September 19, 2001 - 12:12 pm:   

Hi all,

I bought my first Ferrari about two months ago. Its a 1985 308 GTSi QV (39k miles) which seemed to be serviced at regular intervals by the dealer. When I bought it, the radiator did not leak however it had receipts for radiator repair done in the past. After driving it for about two weeks, the radiator cracked in several places.

I took it to a radiator specialist. This guy had been repairing radiators for 25+ years and was top notch. He said the radiator was special, like nothing he had ever seen in any other car. He said he would repair the radiator, but he did not know if it was going to hold (and therefore there was no warranty). I had him repair it and a month later, the radiator is leaking again.

I have two questions. First, what could be causing the radiator to continuously spring leaks? After the car warms up, it runs at about (220 Degrees F) 105 Degrees C. I don�t drive with the ac on and I live in NJ, where the ambient temperature is not particularly hot. This is at least the third time that I know of the radiator cracking. After the first time the radiator cracked, I would open the front hood and let the fans run for about a minute after shutting off the engine.

My other question is where can I get a non-stock replacement radiator. I want something that I can buy new from a Pep Boys, Auto Zone JC Whitney ect. You know, something that is not going to cost a fortune and will have a warranty.


Thanks for your help. I hope it is something simple because I also found an oil leak. I know these cars were not known for their reliability, but I am considering selling after I have it fixed.

Best Regards,
ANDY

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