i had a very similar issue, except mine only made it 150 miles before it melted, & that was with using a borg & beck clutch kit & the release bearing that was included, so far i had to pay to have the car fixed & im still battling to get any sort of recompense from the parts supplier
its a false economy to buy cheap £10 lights, used to use the cheap ones on the challenge truck but then upgrading to decent ones makes a big difference,
have recently fitted a 22" LED lightbat on the front of my disco