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-   -   Looking for a good flywheel (http://986forum.com/forums/showthread.php?t=36123)

black_box 06-29-2012 07:34 AM

Looking for a good flywheel
 
So I got most of the way through my clutch IMS job earlier this week and hit a snag when the machine shop said my dual mass stock flywheel was done and shouldn't be resurfaced.

With a stock 3.2 motor and sachs clutch kit, what flywheel do you guys recommend? I am thinking brand new is pretty much the way to go to guarantee smooth operation.

The car is not daily driven, but I do have to negotiate city traffic when I get it out. I'm not opposed to a lightweight flywheel, but would like to get some input. I am opposed to paying $1300 to the dealer for OEM though....

Thanks in advance!

thstone 06-29-2012 03:34 PM

The stock DMFW is expensive and heavy but does a very good job at dampening drive train vibrations.

A light weight flywheel (LWFW, such as the Aasco) won't dampen the vibrations quite as well and you may have some drivetran/gear rattle (slight but noticable) at idle. But the engine will rev up a bit quicker too. There are also some people who have said that the LWFW may not dampen engine vibrations which can result in engine failure (just do a search). I am not too sure about that but I want to pass on whatever I've heard, plus or minus.

I've had a LWFW for 18,000 miles and have a bit of gear rattle at idle but its nothing that I even notice. I like the quicker revs and it was much cheaper than the stock DMFW replacement that might wear out again in 50K miles.

Best of luck in whatever you choose.

Cloudsurfer 06-30-2012 09:12 AM

First off, you can't resurface dual mass flywheels. They're either good to go with a bit of clean up, or they aren't. If yours isn't, well move on.

The stock dual mass flywheel is very good at making for smooth and quiet operation. It is, however, heavy.

I'm not going to debate the pros and cons of running the lightweight flywheel, but if you choose to go this route, the only option is from AASCO. You can except a bit of gear rattle, with significantly improved engine response.

In my case, when I built my 3.8, to compensate for the loss of dampening from the dual mass flywheel, I am running Road Sport Supply's dampened under drive pulley. You could also run the stock M97 3.8 crank pulley, which is dampened as well.

Byron in Atlanta 06-30-2012 10:03 AM

I have two of the stock DMFW's in my garage. They both seemed to be in good working order when I took them off the car (blown engines) I would be happy to sell one to you. Not sure what to ask for them, but I suspect the shipping will be plenty. They are heavy. PM me if interested.


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