Tony
Just got back,sorry about the rain ☔️.
Have taken on board all you said,very very helpful and a nice bloke,wish I could contain in my brain all the info that you've got.have measured for a alternator belt as think could use only the larger alternator.couldnt get the other one off and got soaked so came home.will charge the other batteries and see if they hold ok,will order new starter battery.thanks for your time today,very nice to meet you
Russ