jdm d15b vtec and d16z6.does anyone have tech specs for these engines?is the only difference in the cc or are they completley different?

 

D15B
Displacement : 1493 cm3
Bore and Stroke : 75 mm X 84.5 mm
Rod Length : 137 mm
Compression : 9.6:1
Power : 130 hp @ 6800 rpm & 102 ft·lbf @ 5200 rpm

D16Z6
Displacement : 1590 cm3
Bore and Stroke : 75 mm X 90 mm
Compression : 9.4:1
Power : 125 hp @ 6600 rpm & 106 ft·lbf @ 5200 rpm

 

thats cool thanks a lot.can u explain this for me?ive got 2 sedans ,one d15b,the other d16z6,acording to the specs the d15b makes more power,but my d16 is a much quicker car,both cars are pretty standard and around the same age and miles,the 15 is jdm, the 16 is edm.the d15 has a few bolt ons,decat,4-2-1 ,long intake kit.