Classic cars forum & vehicle restoration.
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ukdave2002
Joined: 23 Nov 2007 Posts: 4398 Location: South Cheshire
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Posted: Thu Aug 13, 2026 3:38 pm Post subject: Ultra light flywheel |
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As I previously mentioned, my Innocenti Mini Copper Export has been depended on your era ; Tunned, Hotted up, Breathed on, for younger folk similar to mapping!
Looking through the vast array of the cars history, this included fitting an ultra light flywheel. Whilst this helps make the car more lively, the downside is that the slightest movement of the accelerator has an instant effect, not a problem when your foot is flat to the floor, but hit a slight pothole (with the cars fairly stiff suspension) would result in some accelerator movement with corresponding change in power at the wheels, resulting in more jarring, you certainly wouldn't want to do your driving test in this car!
At first I was thinking that given I'm going to do more local/ town driving, I'll fit a heaver flywheel, however now having done a couple of hundred miles I'm getting used to it (combined with the fact I have fitted seat extensions and a 13" steering wheel, so my legs now fit under the steering wheel ) I think I'll keep it as is? any views? |
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Ray White

Joined: 02 Dec 2014 Posts: 7647 Location: Derby
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Posted: Thu Aug 13, 2026 5:54 pm Post subject: Re: Ultra light flywheel |
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| ukdave2002 wrote: | As I previously mentioned, my Innocenti Mini Copper Export has been depended on your era ; Tunned, Hotted up, Breathed on, for younger folk similar to mapping!
Looking through the vast array of the cars history, this included fitting an ultra light flywheel. Whilst this helps make the car more lively, the downside is that the slightest movement of the accelerator has an instant effect, not a problem when your foot is flat to the floor, but hit a slight pothole (with the cars fairly stiff suspension) would result in some accelerator movement with corresponding change in power at the wheels, resulting in more jarring, you certainly wouldn't want to do your driving test in this car!
At first I was thinking that given I'm going to do more local/ town driving, I'll fit a heaver flywheel, however now having done a couple of hundred miles I'm getting used to it (combined with the fact I have fitted seat extensions and a 13" steering wheel, so my legs now fit under the steering wheel ) I think I'll keep it as is? any views? |
I always thought the Mini Cooper S was a fun car so can see exactly where you are coming from (or going to ).
I had the MG TC flywheel lightened but gave instructions not to take too much off as from experience I have found it can cause a lumpy tick over. The most important thing (in my opinion) is to have everything balanced. In that respect you could probably save on costs by having weights added to your existing flywheel.
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