painting underneath the car

[novalew]

Is this the primer I should use then normal paint on top or should I stonechip ?

http://www.amazon.co.uk/dp/B008HZVRAC/ref=cm_sw_r_an_am_ap_am_gb?ie=UTF8

[waggygsi]

I etch primed then stonechiped then oainted the under side of my mk2 escort bud