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GT3 4.0 crankshaft fitment
Good afternoon,
A search found this thread about fitting an 80.4MM crank to a 930 case. GT3 RS 4.0 crankshaft fitment Can any of the engine builders and enthusiasts share their experiences with a normally aspirated build utilizing this crank. Thanks! Last edited by stephen1070; 10-05-2015 at 06:02 AM.. Reason: typo on stoke length - sorry! |
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10-02-2015, 12:52 PM
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Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,472
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The main point to remember is, the GT3 and the turbos of the present day use the 964 casting case for the powerful applications.
Bruce |
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10-02-2015, 04:24 PM
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Join Date: Aug 2009
Location: Costa Mesa, CA
Posts: 1,181
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Strictly to be pedantic, the Turbo stopped using the Mezger engine in 2009 and all 991 cars except Cup and RSRs use a 9A1 derivative engine.
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10-02-2015, 08:21 PM
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Join Date: Feb 2013
Location: Essen, Germany
Posts: 192
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Stroker
The 4,0 crank is 80,4 mm if you have a 84 mm crank it is probably one of my stroker cranks.
If you need background about this let me know - I'm happy to help. Dirk https://de-de.facebook.com/edelweissmotorsport |
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10-03-2015, 02:24 AM
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Thank you for the replies - so it appears that the 964 casting is required to fit this crank. Any thoughts on the ideal rods and pistons for this configuration.
Steve |
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10-05-2015, 06:12 AM
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