It made use of VTC mainly for performance purposes in engines like the K20A2 and K20Z3 in the Acura RSX Type S and Honda Civic Si. VCM was also used in engines like the K20A3 and K24A4 in the Civic Si ...
The SiR takes the Civic Coupe Si as its foundation but elevates performance to new heights with ... Securing an unexpected position at number 3 on our list is the 2007-2012 Acura RDX, housing the ...