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Original Message

Replacement MR carbs

By Royce Peterson - 08/04/2002 11:04:38 AM; IP 205.188.209.112

John,
Factory issued original equipment carbs for the 8V Medium Riser were stamped as follows:
C5AF 9510-BC
C5AF 9510-BD
C5AF 9510-BT
C5AF 9510-BU

They came in pairs as follows:
BC/BC (yup, both carbs got chokes)
BC/BD
BT/BU

Over the counter replacement carbs were also sold :
C8AF 9510-AC
C8AF 9510-AD

Holley and Ford sold replacement carbs into the early 1980's with the original numbers. I don't have a cross reference of the Holley list numbers but all I have ever seen had the Ford number AND a Holley list number stamped into the air horn. If your carb has no Ford part number it is likely not a replacement carb for a 427 or any other Ford. Can you measure the butterflies and post a picture of the carb(s)? The last set of numbers you added don't look like any Ford Holley number I have ever seen.

Royce Peterson

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Collapse <a href=../ForumFE/reply.aspx?ID=13934&Reply=13934><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor13934" onclick="return false;">427 Carb information request</a> -- <font color=#0000ff>John Oberly, <i>08/03/2002</i></font><script type="text/javascript">
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427 Carb information request -- John Oberly, 08/03/2002

Collapse <a href=../ForumFE/reply.aspx?ID=13938&Reply=13934><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor13938" onclick="return false;">RE: 427 Carb information request</a> -- <font color=#0000ff>Royce Peterson, <i>08/04/2002</i></font><script type="text/javascript">
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RE: 427 Carb information request -- Royce Peterson, 08/04/2002

Collapse <a href=../ForumFE/reply.aspx?ID=13940&Reply=13934><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor13940" onclick="return false;">RE: 427 Carb information request</a> -- <font color=#0000ff>John Oberly, <i>08/04/2002</i></font><script type="text/javascript">
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RE: 427 Carb information request -- John Oberly, 08/04/2002

Collapse <b>Replacement MR carbs</b> -- <font color=#0000ff>Royce Peterson, <i>08/04/2002</i></font>

Replacement MR carbs -- Royce Peterson, 08/04/2002

the ER carb is an oem part but not ford.... -- hawkrod, 08/04/2002