Original Message
RE: Block differecnces .....
By Bob - 12/03/2001 5:39:25 PM; IP 65.80.205.93
First the 427 has a 4.23 bore with a 3.78 stroke while the 428 has a 4.23 bore and a 3.98 stroke. (The 390 and 406 has the same stroke, 3.78 as the 427 and the 428 has the same bore as the 406.)

The side oiler part identifies a block that has an added oil gallery on the driver's side of the engine. This gallery can is easily confirmed by the outside plugs where the engine was drilled to connect this gallery to each main bearing.

Also all 427 side oilers have cross bolted main caps. These caps have bolts from outside the skirt of the crank case into the main caps. You really need a picture to understand this feature.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=9751&Reply=9751><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9751" onclick="return false;">Block  differecnces .....</a>&nbsp;-- <font color=#0000ff>JP, <i>12/03/2001</i></font><script type="text/javascript">
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 Block differecnces ..... -- JP, 12/03/2001
Collapse <b>RE: Block  differecnces .....</b>&nbsp;-- <font color=#0000ff>Bob, <i>12/03/2001</i></font>RE: Block differecnces ..... -- Bob, 12/03/2001
 428 has a 4.13" Bore Diameter N/M -- Royce Peterson, 12/03/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9755&Reply=9751><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9755" onclick="return false;">RE: Block  differecnces .....</a>&nbsp;-- <font color=#0000ff>Bob, <i>12/03/2001</i></font><script type="text/javascript">
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 RE: Block differecnces ..... -- Bob, 12/03/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9761&Reply=9751><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9761" onclick="return false;">RE: Block  differences .....</a>&nbsp;-- <font color=#0000ff>Travis Miller, <i>12/03/2001</i></font><script type="text/javascript">
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 RE: Block differences ..... -- Travis Miller, 12/03/2001
 RE: Block differences ..... -- P, 12/04/2001
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