well i decided to hit it in my car today and when i did in 1st and 2nd once i get alittle over 4k my clutch starts to slip. why is it doingthis it got a lightened flywheel from germanautoparts and a ACT heavy duty pressure plate, abd ACT stage 1 clutch this shouldn't be happening it is rated for 280 and my car has only about 200.help

