Bolts in a coffee can...

"Eury - AFRICA TWIN!!!!!!!" (eurylokhos) 04/02/2018 at 10:01 • Filed to: Porsche 911 Carrera Cabriolet, Porsche 911, 996

0

12

Finally dug into my 996 to determine why my car sounds like I’m shaking bolts in a coffee can.

This is the culprit. More specifically this.

That’s the arm that connects the valve in the exhaust to the vacuum operated actuator. Snapped off, don’t know why, maybe vibration, possibly rust (doubt it from looking at it), maybe the valve got stuck and the actuator Hulked out. Dunno.

What I do know is that bastard makes my car sound like crap, and that valve that changes the sound from “I wish that was a little louder” to “Yes mistress, may I have another” freely rotates. On top of that, there is lateral lay in the valve itself where it has worn, causing more rattles.

So the question becomes, where do I go from here? These mufflers are unobtainium, and parts are unavailable. As in no longer made, Porsche will sell a newer version for $4k or so. No thanks, that’s a significant portion of the money I have invested in the car. The right side muffler is fine, both valve wise and internally as far as I can get with my snake cam into it. It’s just this one with the broken part and wear making it all rattle.

I see my options as this:

1: Weld the rod back onto the ball link. It’s doable, but kinda tough to get a good angle on, and I’m positive it’s going to snap again in quick time.

2: Weld the valve open in place on both sides so it always sounds awesome and doesn’t rattle. Cut off the actuators and pull out the vacuum lines going to it, disable the electronics etc.

3: Cut the whole section of pipe with the valves out and weld in plain pipes there, also removing the vacuum stuff.

4: I’ve found a stock set of mufflers locally in good shape, There is a fairly easy mod (called a Gundo hack) that replicates what mine sound like with the valves open.

5: Stock OEM mufflers and cry at the sound.

If I go to the stock mufflers modified, I’ll sell the ones I have on here. The one good one has to be worth some money, a set of 2 without rattles goes for $1500 or so used, so my one good one could be combined with someone else’s for a full set. That’s gotta be worth something.

What I’m leaning towards is number 2, just welding my valves open and having it sound awesome. It’d be the cheapest option up front (although I can weld and have a welder, I’d be having someone else do this), and likely the quickest/easiest way to get my car back on the road.

What say you, Oppo?

CalzoneGolem > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 10:05

0

#2 or #3

Long-Voyager > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 10:05

1

Option 2 would be my route.

punkgoose17 > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 10:15

0

Option 2

Future next gen S2000 owner > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 10:20

0

Dos!

functionoverfashion > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 10:29

1

2 or 3. Probably 2.

Joe6pack > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 10:42

0

Knowing me, I’d find a way to fix it properly. PSE is a highly sought after option on a 996. But, then again, I’m a sucker for originality. Remove it, have it welded properly and put it back. I guess my second choice would be to go aftermarket, but keep the parts.

Autophile412 - what's the world got in store? > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 10:53

0

Go to your local independently owned muffler shop and have them weld on a couple of Flowmasters and bask in the glory of a freer flowing and lighter option. obviously you will want to keep your OEM parts in the garage on the shelf for posterity.

wafflesnfalafel > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 11:32

0

The Borla units sound super nice - but they aren’t cheap either...

My bird IS the word > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 11:34

0

I can’t tell how it snapped from the pictures, could you weld the ball on, and then weld a DIY sleeve around it to keep it from snapping again?

Eury - AFRICA TWIN!!!!!!! > My bird IS the word 04/02/2018 at 11:40

0

Possibly, but I’d still have the problem of the valve itself having worn away where it sits in t he muffler and rattling around in there.

My bird IS the word > Eury - AFRICA TWIN!!!!!!! 04/02/2018 at 11:49

0

could you reinforce it or build up the material with JB weld? I fixed my shifter which had been worn away that way.

Eury - AFRICA TWIN!!!!!!! > My bird IS the word 04/02/2018 at 12:07

0

Dunno. JB wouldn’t work, it melts with high temps and I’ve got to think this is hot enough. I’m going to talk to a muffler shop in a bit to get their perspective.