429 or 460?
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New User
Joined: Mar 2012
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429 or 460?
How can I tell the difference between a 429 and a 460? The casting numbers on the heads is C9VE-A and the casting numbers on the block behind the starter is D1VE-A2B. Can I positively ID what size of motor this is by these numbers or do I have to open the motor and measure the rods?
Posting Guru
Joined: Mar 2009
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From: Alston, MI
Measure the stroke. 429 should have a 3.59 inch stroke, 460 should have a 3.85 inch stroke. Take out a plug, turn the motor over by hand and stick a piece of wire down the plug hole. At the bottom of the stroke, mark the wire, and same at the top.
Elder User
Joined: Apr 2003
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Yep, good info! Use copper wire, or wood dowling, be patient and measure. Basically anything that won't scratch or leave harmful deposits. Beats pullin the oil pan, and searching for numbers.
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