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engine code breakdown

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Old 09-12-2000, 09:20 PM
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engine code breakdown

I just got a good look at my engine and the numbers 627 are cast on both sides. Anyone care to tell me that that code breaks down to? I've been wondering what's under my hood for sometime since the previous owner claimed it's a newer/rebuild 305. But I never trusted the crooked SOB.

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Old 09-12-2000, 09:57 PM
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GB,

Are you certain it isn't "327"?

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Old 09-12-2000, 10:07 PM
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Maybe, I could have swore it was a 6 though...Me being upside down swapping my plugs didn't help any reading it. So what exactly does that mean? It doesn't mean there could be a 327 under the hood right?

[This message has been edited by Get Blown ? (edited September 12, 2000).]
Old 09-13-2000, 11:34 AM
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Car: was: 1984 Camaro Z28
Engine: was: L69
Transmission: was: 700-R4
Get Blown?, you are originally right, it is 627, as in 14093627. That is a 305 block for 1988-94 models years. Typically in all SBC have the last three numbers of the block casting number (or P/N) are stamped on either side of the block for easy reference. From my knowledge, GM (or should I say Chevy) never put the CID on the block (or sides), this is because the CID is based on the crank which was not specific to a block. Example: A 657 block was equipt with a 3.00", 3.25" and 3.48" crankshafts for 302, 327, and 350 CID engines (respectfully).

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George P. Lara
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1984 Z28 High Output
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[This message has been edited by MRZ28HO (edited September 13, 2000).]
Old 09-13-2000, 03:21 PM
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Just got another look at it today it's definitely 627. Probably is the original block then since it smokes a little on startup. Just gives me more reason to rip it out.
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