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Author Topic:   dumb question about sbc
zeroracing
Dirt Forum Champ
Total posts: 1876
posted February 22, 2005 03:20 PM  
what are the basic main sizes?
small journal?
Large?
400 block?
what is the main size on the crank needed for each.
thanks
jason

dirtbuster
Dirt Forum Champ
Total posts: 2007
posted February 22, 2005 03:49 PM  
small rod journals are 2.000"
large rod journals are 2.100"

400 mains are 2.650"
everything else mains are 2.45"

stockcar5
Dirt Forum Champ
Total posts: 578
posted February 22, 2005 04:04 PM  
there is also a 2.3 main size for cranks with the 2.0 rod journals (old 283 and 327s ect..)

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