I will check it out, I have heard nothing but great things. They did the PPI on my car and were really thorough and walked me through everything on the car. They have also sold me countless parts at cost for DIY projects in the garage. Hope to meet you sometime. I have an 87 marine blue targa.

If you're doing a clutch, you'll have some decisions to make re: rubber centered vs spring centered replacements, aluminum pressure plate vs. OE steel, and release lever cross-shaft options (factory Technical Bulletin 4 update vs aftermarket cross-shaft). There's some discussion here in this current thread...
http://forums.pelicanparts.com/porsche-911-technical-forum/1061954-1987-its-suspension-refresh-time.html

Yep, it seems like it - always decisions and always while you are in there...

I think the guys at Mayo will point me in the right direction.

I just need something reliable and comfortable for a 3 day a week commuter and spirited weekend drives. I won’t be racing or tracking the car.

What does the collective think knowing my use of the vehicle?

Ok how much did you bet?

You nailed it, the rubber center failed!

And now I embark down the “while you have the tranny and engine dropped path”

I changed out the fuel lines in the engine, I think I’ll have them tackle the tunnel fuel lines. I also addressed the triangle of death already so that is taken care of.

Any other whole your in their items?

Depending on your budget, this would be a good time to replace the intake manifold gaskets (and possibly the spacers unless they are in good shape), send the injectors off for flow test and cleaning, and inspect all the rubber bits (intake boot, vacuum lines, etc.). You may also want to clean the fan and housing and check the brushes on the voltage regulator (or do like I did and have the alt rebuilt). May as well inspect the oil lines and replace as needed. Glad you found the issue. Hope you get back on the road soon!

Personally, I would do the aluminum pressure plate no matter what.

I think you could go either way on rubber center vs. spring center clutch disc replacement. It really just depends on how much NVH you're willing to risk / potentially live with. I went with spring center on both of my cars and I'm really happy, buy they are both weekend / sports purpose vehicles and not weekday commuters.

I think you could also go with a lighter flywheel if you like (maybe depending on what condition your existing flywheel is in).

Regardless I would have flywheel + clutch disc + pressure plate assembly all balanced as a unit. If Mayo doesn't take this step, I'd acquire that assembly from Patrick Motorsports as they'll balance it all before they ship it out.

Besides that, I'd tend to any other resealing (chain box covers? Etc.) that may be needed.

Should be SWEET once you get it back!

I’ll have to see what the flywheel looks like, I will be using it as a daily driver on nice days so I don’t want anything that will get annoying after a while.

Previous to this issue there was definitely a lot of chatter at the friction point so I am not sure if that is more a clutch or a flywheel issue but they will be able to tell me I am sure.

I have a pair of polygold bearings and rear springs plates that I’m waiting to put on it once it’s back.


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How many miles on that clutch before it blew?

126k


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Okay.... let's hope it's the number of miles, not the age of the rubber. Would hate for my 38,000 mi '88 to start acting up due to age alone.

The rubber center is what failed, so it’s possible yours could fail - but depending on how hard you drive it maybe not. After 30 years most rubber parts need to be replaced regardless of mileage.


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88 911 with G50 trans does not have a regular rubber centered disc but it contains reinforcement limiting straps preventing too much drivetrain wind up angle so perhaps yours will have a long life.

Nice bit of positive news there.... everything I've read talks about rubber centered disk. Sdgg91's picture sure looks to be packing lots of rubber... his is an '88 as well.

I am actually an 87. I didn’t know the 88/89s used a different setup. Great news for you!


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Jeff:
Is the '88 and '89 different from the '87? Sdgg91's looks like it's wearing a lot of rubber!

Sdgg91, what’s the build date of your 87 ?

Ok so it has been a while since I gave an update on this after receiving the vehicle back from Mayo.

The build date of my car is 04/1987.

So it turns out the car had never been opened up from what mayo could tell. it was in fact the original clutch at 127k miles. (Which tells me the car was never driven hard) which is great from my perspective.

The downside was it needed the crosshaft update, as well as a new flywheel(aluminum), throwout bearing, Sachs clutch kit and new slave cylinder. I replaced the one J fuel line as well as the triangle of death while the motor was dropped. It wasn’t cheap and it ended up being $6200 for everything.

BUT.. the car now shifts and drives like new and makes me want to drive it every chance I get!


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