n which spark plugs are u using?bro agar tumari running itni zada hai u shud even get ur carburetor serviced using dose throttle body cleaner sprays!its really easy 2 use jus spray it down the throat of ur carb while gently reving ur car!it will exit ny carbon deposits,varnish,gum etc thru the exhaust!ul feel tht the car has become alot of lighter ull feel better response in accleration,idling,starting n mileage!