I need my flywheel machined before it can go back in, and i took it to napa and they said there wasn't enough left to do it >_>, before i go somewhere else i want everyones opinion, is this thing still good? From what i can tell the friction area is supposed to be slightly raised from the pressure plate mounting ares but this thing is flat straight across maybe slightly lower in the friction area. think it still good for another go?

 

Youre supposerd to measure the amount of wear with a dial indicator or something of the sort.

 

yeah dont have one

 

I'd suggest you go somewhere else.

The one time I had my flywheel resurfaced, the machine shop said they machine the clutch disc mating area and the area right outside that prior to the ring gear.
That's the only step surfaces that needs to be spec'd.

You're only cutting the metal like hundreths of an inch, so it should be no biggie.


-Ted

 

Thanks Ted, is it alright for the mounting surface to be the same height as the friction surface? or will i loose some clamping power?

 

The machine shop insisted there's a step spec for it.
I didn't ask what it was.
I would try and find someplace that's willing to do this without getting cheap to just mill off the entire surface flat.


-Ted

 

so the friction area should be higher?

 

Yes, friction surface should be higher than the rest of the flywheel.


-Ted

 

Some of the posts are a bit misleading, if only due to lack of detail. Let me clarify.

The friction surface of the *stock* flywheel is slightly raised from the area *just* inside and outside of it. The mounting surface of the clutch pressure plate is quite a bit higher. You can probably find a picture of the stock flywheel somewhere here by searching.

The step wear spec. from NAPA is for a stock flywheel, so throw that out the window in your case.

Use the same type of clutch friction and pressure plate, if you want to make sure it'll work with the flywheel.

As far as flywheel runout specs. are concerned, just follow Mazda (see picture). Machine the least amount necessary to achieve a good, even finish to maximize life (you can machine it a number of times over the life of the flywheel).

Edit: The description of the flywheel above is for NA...I've attached two pictures, photo credit - Mazdatrix, of a stock NA and turbo flywheel.

 

yeah . . . so um if its fully machined flat will i have a problem?

 

Yes, I did see your flywheel is flat. No, it doesn't matter, as long as the area where the friction plate rides on is even. You're only shaving it a little bit.

 

ok i'm just really worried about compromising the clamping ability of the pressure plate