Originally Posted by
Mark V8
When I moved the battery to the back of a Mk2 Escort estate I had to run a separate earth cable to the front of the car as it was very slow to crank over.
I think the combination of old steel joined together with old spot welds gave too much electrical resistance.
With the earth cable it was spot on

Im going to do the same on mine! A poor earth can lead to all sorts of problems