hi guys im from salisbury south australia and im having trouble with my car.when i excelarate then take my take my foot off to drop the speed a bit then put my foot back on the excelarator,it seem and sounds like the transmitoin slips.it for a split sec finds it hard tofind the gear then when it finds it,it make this grinding noise then takes off.origianly we thourght it was the leads because it is cutting out like that but after we changed the leads and spark plugs it was still there.so if you live in my area and are a mechanic and dont cost an arm and a leg i would love to hear from you asap.my email address is mr.fark.q@gmail.com
If you take the vehicle to an auto trans specialist, they will generally give you an on the spot diagnosis of the problem, free of charge. I know, City State transmision specialists will do this.
Good luck!