I once did a second gen street port with a 48 webber it ran real hard.. but i was breakin to many trannies and motor mounts and i ended up puttin a turbo 2 rear.. but i sold it to some guyin fort myers.. but 2nd gen to heavy.. thats y im using a first gen... what color is that mazda... i had a full race mazda i use to take it to lakeland i got known for hittin the walls lol but it was fun lol...