Incredible great piece of equipment. My No1 in the list.
I always preheat my engines since i got the sure start, starting is much easier especially in breakin no more scuffing the flywheel and swearing for locking up, but couldn't meter how much of a good device since i had no new engines. Last year we got My Novarossi 12PT and from day one never switched on the engine with out preheating the Engine. This engine was like my 8th novarossi .12 so i know how durable these things are.
Now you may say that i run it rich etc... we use good quality fuel with 9% oil came 2nd in the national 2011/12 Championship so tune has to be to the engine limits and guess what started this year's Championship with the same engine!!!!
Stil bloody feel the pinch with out the plug after around 27 litres.
I also did replace conrods bearings etc... on the same rate we replaced them with out heater which did show that had more life in them especially the bearings.
Go get one now you will get back the money on your first new engine not mentioning that you can hit hard the gas as soon as car is on the asphalt
Let it RIP boys and welldone bro!