ivangene

Thanks Bruce - dammit, I was all over the interwebs looking for -10W-40 oils to get the very minimum performance oil I could find

tntempest

I learned a looong time ago to always use the Manufacturers torque spec after working on way to many cars that others had stripped out.

Another thing that will and can happen if they are not tight enough is they will back out slightly and you will hear what sounds like a bad lifter or quiet rod knock and you will think your life is over. As hard as it is to get to these plugs they should always be tightened to spec.

Dave!

My wife got me a torque wrench for christmas. I torque everything I can.

She asks me to hang up a painting--I'm torquing those damn framing nails. To what and how I don't know but they're getting torqued.

yasuro

i had delayed my 60k service for about 1k miles and one day i started my car and i had misfires all over the place. at first i thought it was cracked coil packs, but after limping my car to the indie, he determined the coil packs were fine, but the plugs were old and the points showed wear.

he replaced all six and car ran, and still runs, great. he explained that the porsche is pretty good with the wear intervals on the wear items (such as spark plugs, etc.) and he was not surprised that i had some issues a mere 1k miles after my recommended service interval.

by the by, the plugs were clean and didn't seem dirty or sooty, but the points were worn.

wwest

"..but the points were worn.."

About which that nice and solid 40,000 volt spark pulse doesn't give a damn......

"..misfires all over the place..."

And they'll be back....

dresler

Points, okydoky..

Barn996

You will/should love the Fister D mod, because the sound is such an improvement over stock. I did this mod just last month, and I would rank it one of the best improvements you can do on a 911. Darin is informative, and easy to deal with. Good choice IMO.

rudy1024

Can someone point me to the DIY to remove the cans? I did a search and it appears that the instructions are embedded in a DIY to do something else. After reading a dozen of so search items I decided to punt and ask the question...

Thanks!
Rudy

Barn996

Go to page 4 of postings, first one listed, go to post #14...great diagram of exhaust.

yasuro

well, no problems to report 8k miles later, so at least in my personal experience, the diagnosis and fix seemed to be right on. i use my car as a DD and drive it during the winter, so wet, slush, etc. seem to have no adverse affects on my car thus far.

i find it interesting that people seem to stick to their theories even in the face of empirical evidence to the contrary. so unless i run into evidence to change my theory, i would assume that worn points make a difference to spark plug performance.

gota911

Rudy, check out this link.

Muffler DIY

Pac996

Shark oil is prefered. You don't have to change it as often as the coconut oil

b-man

I respectfully disagree with you. From my experience with my own car ('02 996 with 170k+ miles), I think MOST people would notice a diffference in performance changing them on these cars more frequently than every 50k miles.

A lot of other cars can go much longer. But it depends on the car/engine/ignition system/etc.

Your post also doesn't take into account engine run time which is more important than car miles.

These cars break down coil packs pretty frequently too.

b-man

Pac996

If you want a performance engine to stay performance at its best then check and change as frequintly as possible. There is nothing wrong with pulling plugs to keep an eye on the type of burn the engine is getting. I wont take about the ease of pulling plugs on the 996.....hehehe

rudy1024

Tim/Barn996,

Sorry about the late thanks (business travel has a way of interrupting forum addiction), but perfect!

Much appreciated!

Rudy