q8

I just finished the breakin and when i hit full throt. the engine wont rev us as if the break is holding the car turned it off checked the brakes they are ok checked the clutch and the clutch belt they are ok checked the ballbearings as well they are ok pushed the car on the ground and it was ok so what would it be the other crazy thing is through the breakin the engine ran in reverce for cpl of sec that died started it again and it was fine the comprsssion is in a great condetion the fuel that im running was 30maxys ofna hyper7 stock air filter and the engine look to the left