b7 is the fuel injected SOHC NON VTEC version, D15b is the JDM SOHC fuel injected VTEC version
the JDM D15b has the nicer gear ratios =D
just have a look at the sticker and stamp - if it says S20 B000 than its a winnah - if it says S20 A000 than its just a regular daily box
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