Forum: General Efficiency Discussion
05-14-2012, 01:54 PM
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Replies: 33
Views: 7,703
It was very possible to do with the 901 boxes,...
It was very possible to do with the 901 boxes, but those were only used from 1963 through 1971 in the 911, and through 1976 in the 914. The 1972-88 911s used the 915 gearbox, and I have not heard of...
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Forum: General Efficiency Discussion
05-10-2012, 06:07 PM
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Replies: 33
Views: 7,703
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Forum: General Efficiency Discussion
05-10-2012, 05:03 PM
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Replies: 33
Views: 7,703
4.8
For a given displacement, a longer bore...
4.8
For a given displacement, a longer bore gives a more compact cumbustion chamber, which you want for thermal efficiency.
If you can make it work, GM Active Fuel Management (google it), aka...
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