Jackin it up is outa the question as its a solid shaft drive and would require some major mods to realign it :-(
Certainly will add more castor but. And the only reason I ran it at fairly low speeds today was the fear factor :-) Usually it'll run flat out. I gave it a couple today but, well, nervs wins the day.
And Bob. Displacement? I don't understand? Later for the Fibreglass - where is the gaffa tape and cardboard
Marty