Thread: 400 cam choice. Daily driver
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  #17  
Old 03-20-2025, 07:57 AM
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400 Lemans 400 Lemans is offline
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Join Date: Dec 2007
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1968, 15 heads are 75cc. 1970, 15 heads from a 455 are 87cc. So yeah you have about 10 to 1 compression. Change the cam for sure.

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