Ah PJ,
You are a wealth of good advice and I thank you for taking the time to respond to all.
I will try to keep to brakes and servo's.....
During the rebuild (sorry, Santa stiffed me on a digital camera so no pics of the rebuild yet, Got some nice new ink instead!!) I have changed the throttle servo also and the previous owner had both linkages coming off a one sided arm, the std rcvr/batt box obviously is in way, so I found a different arm and adapted it to clear the rcvr/batt box so now the linkages run off opposing sides of the servo and now i seem to have straighter lines to the carb & brake. NOW my Q is....What is the Learned One's prefered way of placment of springs, bits of fuel line, stoppers, grommets, incendary devices and crack pipes to ensure smoothest operation. By the way the last two items were just to see if you read the whole thing
I am prepping the MT2 for our annual holiday and my sons will be running on a combination of coarse beach sand and dusty bush tracks. It is pretty hot where we are going, would you advise cutting some extra venting in the body or maybe changing nitro % to run a bit cooler? (Just got my $1.95 high-range digital thermometer from ebay so I am keen to check my running temps now)

Kindly advise if I should start a new thread about the heat issues? I'm still a novice at forums.

Kind regards,
Chris