Serial number location/block marking to ID B18C engine?

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Schantin

Junior Member
Hello. I need to know where to find a block ID casting/ significant ID marks to ID a B18C engine installed in a Civic. I'm looking at a 93 Civic EX tomorrow that supposedly has a 99 GSR engine in it. The guy said it's a B18C1 (Shouldn't it be a B18C5 if from a 99?) Anyhow, Q's like this (and making sure it's not the stock EX engine) prompts me to ask.

If this car really does have the B18C...I'll be gold. I' was getting ready to order one for my 94 Civic. This would save much $$ and effort....especially shipping to Hawaii!! :)

Appreciate any input.

Schantin
1994 Civic LX M5
2002 Camaro Z28 M6
 
If it is from a 99 GSR then engine code would be B18C1. The stock engine in a 93 EX would be a D16Z6. The C5 is out of 97+ Type R's.
Here is a Honda engine list with all the specs. https://hondaswap.com/forums/index.php?showtopic=29825
The Engine code should be stamped on the block to the left of the exhaust manifold.
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