I recently installed Alpine rims 17" on my car and since then I noticed a difference in weight. My car had to use more power since then. Last week myself and my family were about to go for a roadtrip which were 260 km long, We packed our baggage and were off , the car was heaviley loaded and was struggling to climb hills on the main road and soon he no longer had power to climb the hills. It was like it choked. The engine still starts but when I tried to put it in gear and drive then it dies. Its like a choking sound. Could this be a carburator problem? I checked my spark plugs and they were black on the head. so I baught new spark plugs but still have the same problem. Please help
My car has 270 miles.
My car has a manual transmission.
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