C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Oct 4, 2010 | 09:06 AM
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ZZ71S
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Default Engine ID

A friend is looking at a 77 wonderig if it is the original engine ?
The only number you can see with out moving something is M0401 8vp this is on passengers side of the block.
Does anyone know what the 8 vp means
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Old Oct 4, 2010 | 04:42 PM
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It looks like the engine was built in Mexico on April fools day M 04 01
Cant find anything about 8 vp
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Old Oct 4, 2010 | 07:53 PM
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Originally Posted by ZZ71S
A friend is looking at a 77 wonderig if it is the original engine ?
The only number you can see with out moving something is M0401 8vp this is on passengers side of the block.
Does anyone know what the 8 vp means
On the front of the engine, on passenger side, there is a flat pad. On it should be stamped the Vin number of the car. (Just in front of the cyl. head.. The block casting number should be 3970010 and for the heads, 33382. I believe the M0401 is incorrect but check it against the last numbers of the Vin. I do not know of any 8vp.
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Old Oct 4, 2010 | 08:01 PM
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It's an over the counter GM crate engine made in Mexico. Most of them seem to have a number then two letters for the machine code.
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