402 chevy big block

Old 01-20-2009, 05:05 PM
  #1  
dblclutchdwnshft
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Default 402 chevy big block

Is it possible to build a stroker out of a 402 bb chevy? its a 71 block out of a chevelle. is there any combinations?
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Old 01-22-2009, 11:03 PM
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cepx111
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I always thought a 396 or 402 was just a destroked 454, same bore but shorter stroke? I may be wrong though.
maybe some of the true motor gurus could chime in here and enlighten us both.
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Old 01-23-2009, 01:42 AM
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zipper06
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a 396, is 3 3/4" Stroke same as a 427, the bore on a 396" is 4.093, the bore on a 427" is 4.250. the blocks are different, and it's rare to find a 396" blk. that will bore to a 427 size. However you can put a 454 crank in the 396" blk which is a 4" stroke, maybe more but i haven't seen it.

Hope this helps.

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