flyweels

bridgey · Post by **bridgey** » Sat Mar 17, 2012 4:12 pm

anyone know if th g54b got the same flywheel as the 4g63?

Lunacy · Post by **Lunacy** » Sat Mar 17, 2012 4:39 pm

Yup it does. Although there are two different ones, a 225 and 240mm.
The 225mm ones were on cars up to 87, and the 240mm ones on 88-89 cars iirc.
Im running a 240mm alloy fidanza one on my twincam 4g63

Lummy · Post by **Lummy** » Sat Mar 17, 2012 5:29 pm

I'm also running the 240mm Fidanza on a 4G63 and very happy with it.

bridgey · Post by **bridgey** » Sat Mar 17, 2012 5:32 pm

does the 240 fit inside the factory bellhousing?

Lunacy · Post by **Lunacy** » Sat Mar 17, 2012 6:21 pm

bridgey wrote:does the 240 fit inside the factory bellhousing?

Yup physically the flywheel is the same size, its just the clutch surface area that is larger

bridgey · Post by **bridgey** » Sun Mar 18, 2012 1:09 pm

awesome, thanks

panda · Post by **panda** » Mon Mar 19, 2012 10:12 am

My son runs one of my Starion flywheels in his 84 Sigma track car. He runs a 4G54 wide block & a KM132 box. It bolted straight up to the crank, starter motor ring gear all OK, & the exedy clutch plate fitted also. The Starion flywheel is about half the weight of the original Sigma flywheel.

panda

cheaterparts · Post by **cheaterparts** » Thu Mar 22, 2012 10:00 pm

panda wrote:The Starion flywheel is about half the weight of the original Sigma flywheel.

panda

and Pete they are still to heavy

Austarion

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