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-   -   Whats the Difference Between a New Age 5 speed and STI 6 Speed Flywheel (https://www.scoobynet.com/general-technical-10/418766-whats-the-difference-between-a-new-age-5-speed-and-sti-6-speed-flywheel.html)

Scottdot 12 April 2005 08:34 AM
Whats the Difference Between a New Age 5 speed and STI 6 Speed Flywheel
 
I have been looking for a lightweight flywheel for my STI7 without much luck, is it possible to fit a flywheel from a standard WRX into an STI?

What are the differences between the two if any and could the WRX be altered to suit.

Cheers

Scott

Jay m A 12 April 2005 10:00 AM
Reading the Exedy clutch and flywheel groupbuy, you can but you'll have to fit the 5 speed clutch too. AFAIK, the 6 speed clutch and flywheel are larger than the 5 speed, and of slightly different design so you can't mix and match different clutches and flywheels. Conversely, the the 6 speed clutch and flywheel will not fit the 5 speed gearbox.

If any of that is wrong, I'm sure David at API will put me right :)

Scottdot 12 April 2005 07:25 PM
I have already bought a 5 blade paddle clutch for a 6 speed so does that mean I'm stuck with a 6 speed flywheel.

Is it the overall dia of the wheel thats different, I assume that would affect the starter motors contact with the wheel or is it the surface area that is in contact with the clutch plate thats different. Will the bolts / locating pins on a 6 speed pressure plate line up with a 5 speed wheel (can the actually be bolted together?)

Does anybody know?

Scott

APIDavid 13 April 2005 10:09 AM
Originally Posted by Scottdot
I have already bought a 5 blade paddle clutch for a 6 speed so does that mean I'm stuck with a 6 speed flywheel.

Is it the overall dia of the wheel thats different, I assume that would affect the starter motors contact with the wheel or is it the surface area that is in contact with the clutch plate thats different. Will the bolts / locating pins on a 6 speed pressure plate line up with a 5 speed wheel (can the actually be bolted together?)

Does anybody know? Scott
As far as I am aware, the 6 speed cluutch cover will not bolt up to a 5 speed flywheel as the flywheels are a completely different shape. The outer diameter is the same as the flywheel housings are a fixed diameter.

6 speed flywheels have pillars for the clutch to sit up on whereas the 5 speed flywheels are the usual flat thing.

If you've bought a 6 speed specific clutch then you'll need to use the 6 speed pillared flywheel.

David APi Engines / APi Impreza
www.apiengines.com


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