Additional fans along with a challenge grill

Even though the 355 gives of some heat. Can you tell us what the cars temp gauge is currently running at? It the gauge is shown as over heating there may be a few things to check and tick of first before you are looking at extra fans. Maybe since the car has been topped up with water there may be air bubbles. What some may not know is that at the top of the thermostat (the thermostat could also be on the way out) there is a 10mm bolt for bleeding a 355 cooling system. Joe Public usually just puts the coolant in without bleeding the system at the same time. Thus allowing a collection of air bubbles in the system causing the car to over heat.
Also worth remembering is that instead of putting extra fans on the car. Maybe the original fan is very old and very worn and not as efficient as when it was new. So replacing it may be a better and less of a pain in the backside to curing any fan problems.

 

Good tips to check!!

 

Ok if were going down this route then i suppose extractor fans would be a good idea. Though they would add to the over all weight of the car. But i see were you are coming from.
Along the same lines would be to play with the rear ground FX of the underside next to the engine its self. Would there be anyway to use additional spoilers and channels under the car to channel the low pressure air into the engine bay its self, thus carrying the hot air through the rear grill.

 

Hey modify the inner wheel arches.....or remove them

 

I assume you are American then? Yes the "fender liners"

 

As an initial quick-fix, I am thinking of modifying the OEM heat shield, which is rather poor. I may start be adding one or more layers of the mylarized high-temp reflective material sold in many "Hot Rod" catalogs. Alternately, I may go more high-tech with some of the ceramic materials available which could be cut to fit the OEM shield and mounted with high-temp adhesive. A better (larger) heat shield could also be easily fabricated. IMHO, this might be the most logical place to start in order to reduce engine compartment temperature.

 

You are worried about adding weight from a couple of little fans and then suggest mixing with the airflow under the car???? Not a good plan.

I think 2 small fans would be quite effective in reducing the under bonnet temp. Experiment with it, a couple of fans, 8-10 wire ties and a little battery to run them long enough to check if they are effective, cost near zero. No holes or wires cut, a few minuets to set up and you could have the answer you are looking for. If it is effective then mount the fans properly and wire them up.

Where I am from the air temp is never really that hot so keeping the engine bay temps under control is not much of an issue, but I can see how it could be in a hot climate.

 

I wouldnt waste my time fitting extra fans.

 

Huh?? Its also not a good plan to make things up as you go along Were did i say or did i suggest mixing the two theories????
I was throwing an idea out there as an option INSTEAD of the fans to cool the engine bay, just like when i said tongue in cheek about the removal of the wheel arch liners.

 

Sorry if my post was not clear, perhaps it would have been better for me to say "changing the airflow under the car". I was not implying you said mix the ideas.

Feel free to relax.

 

Phew!! I feel relaxed already brother
But you know what, regarding putting extra air flow ducting under the car. I only meant to the engine compartment. Clearly extra ducting has been used by the ferrari factory its self on there Challenge cars. The standard road cars have only front air ducting to the breaks were as the Challenge cars have ducting to the rear breaks also.
So ducting in extra air into the bay via under the car is possible without affecting the down force.

 

I have seen this grill a while back and understand it lowers engine compartment heat even better than a 'standard' challenge grill .......
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Nice couch........and errrr, grill.

 

.............. lol .... .............. a grill like this would not need 'extra' cooling fans .........

 

Indeed!