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Which flywheel with LS7 Clutch?

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Old Jan 13, 2026 | 08:52 PM
  #21  
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Update - I ordered the Monster S Series Twin this morning. Using the standard 24lbs flywheel a GM slave and Tick Master.
https://monsterclutches.com/product/...v=0b3b97fa6688

When I did the MOI calculations, the 9" disc just blew everything else away. Everyone seems to love this thing, and... well, I'm sold.
I looked hard at the McLeod RST, but decided on Monster based on a few reports, and the fact the flywheel is included and the whole assy is balanced.

It's expensive, but I also hope this is the last time I have to even think about the clutch on this car

MOI results for the record
Stock LS6 // 0.146 kg m²
LS7 + RAM Flywheel // 0.172 kg m²
Monster S Twin // 0.135 kg m²

Time to rev ∝ MOI: Twin ~8% faster than stock, 27% faster than LS7


Last edited by Lowend; Jan 13, 2026 at 09:00 PM.
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Old Jan 14, 2026 | 02:56 AM
  #22  
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I ended up going with a Monster S Single Disk with the 18lb flywheel.
Having some flywheel weight for the occasional drifting but not a lot of it.
The non-organic friction material doesn't dust as bad
And no self adjusters to cause higher rpm issues like the LS6/7 clutches do.

I was REALLY considering a twin disk but the added cost & chatter at idle made me go single.

Gotta rebuild the torque tube and my diff too though 😅
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Old Jan 16, 2026 | 11:36 AM
  #23  
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Looking forward to some feedback on the Monster setup. Enjoy!
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