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70SWT's Avatar
 
Join Date: Jan 2004
Location: Sin City
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Specs to machine flywheel for 3.0 into 69 project?

Been tough finding threads on back-fitting a 3.0 into a 69, since the site doesn't accept 2- and 3-digit search terms. Among other things (oil line modifications, CDI), I understand I need a custom flywheel to do so, and that the SC flywheel can be machined to work with the 901 tranny and clutch.

Anyone done this and have specs on what must be done? Reduced diameter, reliefs need to be cut, or what?

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2018 911 Carrera coupe
1972 911T targa
Old 10-21-2011, 12:51 AM
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You need a flywheel that fits a901 trans and uses an early clutch. Easiest is to contact Kennedy Engineered products in Palmdale CA. Get a conversion flywheel and there clutch, TO and pressure plate.
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1983/3.6, backdate to long hood
2012 ML350 3.0 Turbo Diesel
Old 10-21-2011, 06:50 AM
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And I understand that Patrick Motorsports also sells a custom flywheel for this purpose. Probably others too.

The purpose of this thread is to see if anyone is familiar with machining a 915 type flywheel for this application.
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2018 911 Carrera coupe
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Old 10-22-2011, 10:19 PM
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Join Date: Mar 2001
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you cut the center with the bolt holes out and weld it into a '69 flywheel that you've cut the center out of. same as kennedy does. much smaller clutch, so may not last long with 3.0 power. find a 915 trans.
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Old 10-23-2011, 06:52 AM
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KEP goes one further and provides a larger clutch face on their flywheels.

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1983/3.6, backdate to long hood
2012 ML350 3.0 Turbo Diesel
Old 10-23-2011, 07:32 AM
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