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-   -   Cast vs ductile(nodular) vs billet flywheels (https://www.offshoreonly.com/forums/do-yourself-boating-budget/351158-cast-vs-ductile-nodular-vs-billet-flywheels.html)

ezstriper 12-09-2017 08:38 AM

there is very little load on a flywheel in a setup like this, more load on the rubber in the coupler which will fail WAY before the flywheel ever would, + at the RPM's we turn...again no issues, that not to say anything can fail, but have to be a bad part I would think

getrdunn 12-09-2017 07:50 PM


Originally Posted by 14 apache (Post 4598367)
I have run them in my boats stock gm flywheels never a problem 6500-rpm Than I made some aluminum ones on the Bridgeport.

How much weight difference. I bet the idle got a little rattier.

BenPerfected 12-12-2017 03:33 PM

We tried aluminum flywheels and it killed idling in gear....PITA. Sold them and when to neutral balanced cast iron.


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