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Broke my sfi flexplate

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Old 04-17-2015, 06:58 AM
  #51  
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Originally Posted by GMCtrk
The dowel pins are the critical pieces. I only use 4 bolts.
I use all 6 bolts and plus the aluminum dust cover for the bell housing. I should be pulling it down tomorrow and will check everything out. Does anyone know what the O.D of the dowel pins should be and the I.D of the dowel holes?
Old 04-18-2015, 11:38 AM
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The bolt holes are egg shaped for the crank.
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Dowel pin on block 624 Od
Trans pilot 610 id
Converter button 1.780 od
Crank pilot 1.678 id
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