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I picked up a 5" bore space deal no crank and rods. Block height is 11.310 donovon block. What is the max stroke that could be used? Bore is it at 4.600 now. Thanks!
 

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Is this a used block ? Have the main webbing checked for cracks before you start anything. Those blocks are known for cracking !
 

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i was told at about 150 passes and i would find cracks in main webbing,sure enough block needed replacing. thats an expensive maintance item......assuming its a donovan
 
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