Guys, I have a Euro 930 with a full Powerhaus conversion (415 RWHP). My car is also fitted with an aftermarket, fiberglass 965 bodykit. Since I have had the conversion done, the rear fender/bumper gets so hot from the exhaust and turbo that it melts my number plate (n.b. in the UK we have plastic number plates). Any suggestions on how best to cure this?

Thanks in adavance

 

What better James Bond move than to have the police chasing you, and just as they are about to jot down your plate #, the numbers melt away in front of their eyes as you escape via the next exit?

Anywho's, to answer your question, there are many highly tuned cars in the UK that don't have this problem. If the heat is that great, the problem is not in the melting plate, it sounds like it's in the efficiencly of your engine cooling. I'd bring it back to Powerhaus and see what they can do to improve/fix it.

 

we used to have that problem on the 935 race car when our aluminum heat shield was not installed.

This heat shield deflected the heat from the rear bodywork...

Norm

 

just put up a heatshield and or wrap the side of the muffler /exhaust with thermotech and paint the inside of the rear bumper with silver paint.......heat issues will be long gone. Extra oilcoolers will make no difference whatsoever to exhaust heat.

 

Could you be running a little lean? Or if you have any catalytic convertors, could they be a little backed up? Having crappy cats would kill your spool up time of your turbo, so the more free flowing the better!
Possibly some sheetmetal shielding around your exhaust could protect your bodywork. Make sure you're not isolating it completely, but just redirecting the heat away from the engine, and hopefully towards the blacktop.

 

[quote]Originally posted by MeanRex:
<strong>Could you be running a little lean? Or if you have any catalytic convertors, could they be a little backed up? Having crappy cats would kill your spool up time of your turbo, so the more free flowing the better!
Possibly some sheetmetal shielding around your exhaust could protect your bodywork. Make sure you're not isolating it completely, but just redirecting the heat away from the engine, and hopefully towards the blacktop.</strong><hr></blockquote>

I wonder if he doesn't have exhaust and he's launching 2 foot flames melting the plate.



later,

aMir

 

Adding a small tray where he could place hot dogs and hamburgers would use the heat energy to prepare some nice aftertrack meals.

 

I'm facing the same problem with my highly tuned 930. Yes I do have the heat shield in my Ruf rear bumper with 1 huge front oil cooler and fender mounted oil cooler with electic fan but my no plate is melting away slowly. Probably will put a slightly thicker no plate to withstand the heat.

 

These heat shields help keep exhaust heat off of the engine.



Works on turbos as well.

Sherwood Lee
<a href="http://members.rennlist.org/911pcars" target="_blank">http://members.rennlist.org/911pcars</a>
<a href="http://www.seinesystems.com" target="_blank">www.seinesystems.com</a>

 

Something like this might work between the muffler and the license panel.

<a href="http://pub120.ezboard.com/fearly911sregistryfrm2.showMessage?topicID=263.topic" target="_blank">http://pub120.ezboard.com/fearly911sregistryfrm2.showMessage?topicID=263.topic</a>

Sherwood Lee

 

I built something very similar for my '87 930 right in front of my left bumperette. I bent the aluminum bar on the exhaust outlet pipe and then pop riveted a piece of sheetmetal on it, leaving a gap between the exhaust and the rear valence. Plus it hangs down ever so slightly to catch some air.

On the track, it was getting so hot it was melting the bumperete from behind the rear valence. So far it has worked, but I haven't been back to the track yet for real world testing. This will be resolved Nov 17th though at Road Atlanta.

Jim