I have done ground up restorations of both TR6 and MGB.  Save your money and have much more fun with the MGB.  Get an early one, go through everything, put in an electric fan and petronix ignition and have a ball.  The MG is light years better than the TR6 in terms of maintenance.  Simple, much easier to work on and simply better engineered.  The TR will drive you nuts with overly complex systems that were obviously grafted onto an archaic frame/body design.  Much of the early MGB gear was taken from the MGA, but the ride is better and the engine has more than enough umph.  The seats are more comfortable than the TR...just make sure you get an overdrive transmission.  For comparison, the 1965 MGB I restored (and would never part with) puts out around 95 horsepower and weighs about 1950lbs.  The TR6 I am finishing weighs somewhere around 2650lbs and puts out 105 horse or so.  Just do the math.  I do not expect to miss the TR, but the MG has been from NY to California, NY to Florida, and NY to PEI with not a single issue.  As reliable as an anvil. ... View more