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Old 01-17-2006, 11:54 PM
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Biscione Biscione is offline
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gta flywheel
Just posting some interesting pics of a lightweight gta steel flywheel.



Edited photo.
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Last edited by Biscione; 01-18-2006 at 11:32 PM.
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Old 01-17-2006, 11:55 PM
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sorry for the quality of the pic / by the time I reduced it to the limit for a bitmap file; it now looks like ****
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Old 01-18-2006, 06:36 AM
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Quote:
Originally Posted by Biscione
Just posting some interesting pics of a lightweight gta steel flywheel.
Is that recently lightened or from the GTA (Trans Am) race era. I have something similar. I will get out and pic and post.

ciao

Ken
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Old 01-18-2006, 11:26 PM
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Another picture.

I don't know the story of this flywheel.
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Old 01-18-2006, 11:35 PM
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more..................
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Old 01-18-2006, 11:42 PM
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Very nice. Thats an interesting cut, usually it's squared out. I'll try and get a picture of one of my GTA ones I got. How much does yours weigh?
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Old 01-19-2006, 08:01 AM
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Another lightened GTA Fly wheel
Note welded on hoop. Weight is 5.943 Kg.
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1965 GTA, RHD, Corsa, Trans/Am 66-72
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Old 01-19-2006, 08:49 AM
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I would think the one with curved cutouts would have fewer stress risers (corners) than the squared-off cutouts? I'm no engineer though.
Andrew Watry
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Old 01-19-2006, 11:14 AM
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Quote:
Originally Posted by Andrew
I would think the one with curved cutouts would have fewer stress risers (corners) than the squared-off cutouts? I'm no engineer though.
Andrew Watry
Andrew et al, look carefuly and you will see that there is indeed a radius at the base of the abuttments. If its important to any one I can measure that radius. If there was indeed a sharp corner stress riser, there should be concern in using such a wheel. These wheels are steel by the way. Don't try this with a cast iron wheel.

Ciao

Ken
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Old 01-19-2006, 11:17 AM
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Un-altered ( I believe) GTA Fly wheel weighing in at 6.824 Kg.
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1965 GTA, RHD, Corsa, Trans/Am 66-72
1966 Sprint GT, B-Sedan in 70's
1970 Giulia Super (CDN Spec)
1976 1600 GTj (Italian Spec)
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Old 01-19-2006, 11:22 AM
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Lidhtened 1750 flywheel. Note backside not cut away as are the GTA Flywheels. Base of abuttments are also radiused. Weight 7.349 Kg
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1976 1600 GTj (Italian Spec)
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Old 01-19-2006, 02:06 PM
Philip Hehir Philip Hehir is offline
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One with the ring completely removed
I noticed that AutoComponenti (www.autocomponenti.com) offer a steel flywheel that has the ring of material around the clutch plate completely removed. They don't mention weight but this must be safer than still having just parts of the ring left? has anyone used one like this? I presume the timing marks would need to be somewhere else like on the front pully, and of course you then also need a different pressure plate.
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Old 01-20-2006, 09:34 PM
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This just appeared on eBay Italy ...

http://cgi.ebay.it/Volano-Alfa-Romeo...QQcmdZViewItem

No connection etc.

Alex.
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Old 01-20-2006, 09:43 PM
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I scraped the images from the ebay listing for the archives after the auction has gone away.
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Old 01-20-2006, 10:50 PM
Hamish Hamish is offline
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I like the Autocomponenti solution, much neater, and probably the lightest of the lot.

I'm surprised other companies don't offer similar, it just requires a search for a suitable pressure plate from another vehicle.
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