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Not nice to see this at all. My guess would be bad fuel lines? The ethenol in modern fuels has been known to damage them on older cars. I've not heard of a specific case of this with the 964 but replacing them all in mine is something I'd like to do.
I've not heard of a specific case of this with the 964 but replacing them all in mine is something I'd like to do.
Upon removing the intake manifold to replace the intake stack sleeves, I discovered (completely by accident) soft spots and bubbles in two of the rubber fuel lines. These were under the manifold by the firewall and not easily inspected with the manifold in place.
They were so soft that either one could have burst at any time. I suspect this is more common than realized.
I promptly ordered a full set of replacement lines from the dealer.
A few years back I discovered a strong odor of fuel coming from my engine bay area. It was the main fuel feed line located behind the air filter box that was streaming fuel onto the engine. I promptly ordered new fuel lines off the internet and replaced the old ones. My car is 1991 C2 Targa. At the time it had 135000 miles. Here's some pics of the old fuel lines.
Amethyst
Good lesson here about fuel lines. When doing engine swap from wrecked cab into my targa that had a engine fire before, I swapped all the good fuel lines and inspected them all. It's not a lot fun snaking the lines from front to back, but it's a no brainer if engine is out to inspect them and replace. I also keep a fire extinguisher in the frunk.
First engine fires we routinely saw were the early CIS cars at 7-10 years old. Really crappy job the factory did going from MFI.
Oddest fire from failure I saw was my friend's '92 Targa about 10 years ago now. It was a high miler (130+K miles at 8 years old), and at some point the engine was out for a clutch or something. When they reinstalled, the solid metal fuel feed line was bent and crimped. About two years in from my friend's buying the car, I happened to be driving it when it sputtered and stopped. Imagine my surprise to see a flame popping through the decklid. Imagine my relief that I pulled over in a neighborhood where a guy just happened to be in his garage with an extinguisher handy, and saw me coasting by.
Now, at 25 years with the 964s + ethanol, who knows how diligent you need to be.
07-01-2015, 04:18 PM
Most depressing Porsche photo
