I got Ian's new Minispares road steel flywheel balanced at GR's yesterday. They are not factory balanced.
Although these flywheels are nicely machined all over, it was quite out of balance.
I suspect because the ring gear is attached with short MIG welds, which are not equal length or spaced equally.
I'd suggest people always check balance before fitting.
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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.
