Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_41 ( compression_ratio VARCHAR, engine VARCHAR )

### Question ###
What is the compression ratio for the 302-2v Windsor v8 engine?

### Accurate SQL ###

SELECT compression_ratio FROM table_name_41 WHERE engine = "302-2v windsor v8"