Original Message
If the flange has a crescent...
By Dave Shoe - 07/23/2002 12:14:24 AM; IP 63.233.226.100
...If the flywheel flange has only a square notch on it, then it's a 391, if it's got both a square notch and a large crescent (football shaped) cut, then it's a 330/361 crank.

If the block will fit a 15/64" drill bit shank between the cylinders in at least one spot while probing around inside all six core plug holes, then it's likely a 330 block which can probably me made into a sturdy 390 block. If the bit will not fit at any location than it's likely a 361/391 block, probaby good for an eventual 428-style boring, sonic permitting.

Shoe.
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Collapse <a href=../ForumFE/reply.aspx?ID=13763&Reply=13763><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor13763" onclick="return false;">just got a FT motor intake# C7TA-  has front motor</a>&nbsp;-- <font color=#0000ff>doug bolden, <i>07/22/2002</i></font><script type="text/javascript">
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 just got a FT motor intake# C7TA- has front motor -- doug bolden, 07/22/2002
Collapse <b>If the flange has a crescent...</b>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>07/23/2002</i></font>If the flange has a crescent... -- Dave Shoe, 07/23/2002
Collapse <a href=../ForumFE/reply.aspx?ID=13777&Reply=13763><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor13777" onclick="return false;">thanks shoe thats what I needed</a>&nbsp;-- <font color=#0000ff>doug bolden, <i>07/23/2002</i></font><script type="text/javascript">
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 thanks shoe thats what I needed -- doug bolden, 07/23/2002
Collapse <a href=../ForumFE/reply.aspx?ID=13779&Reply=13763><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor13779" onclick="return false;">Some are, some aren't.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>07/23/2002</i></font><script type="text/javascript">
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 Some are, some aren't. -- Dave Shoe, 07/23/2002
 no notch- no crescent on crank flange -- doug bolden, 07/26/2002
 RE: Some are, some aren't. -- John Saxon, 07/28/2002
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