Hi Chaps... In the current spell of (un)seasonal weather, TRoy, my 1970 TR6 pi has been running rather warm. The cooling system seems healthy enough, as in 'normal' weather, he runs at just over the 'N' mark on the temp gauge, but at this time, he's hovering at half way between 'N' and 'H', moving up to three quarters of the way in traffic. This is after fitting a 74degree thermostat, so I was thinking about trying to bring the temperature down a bit further.
I gather it's unwise to go too far without a thermostat ,as this can cause uneven distribution of the water around the head & block. So I was considering either a blanking sleeve (as used in race spec BMC 'A' series engines), as this will (in an 'A' series at least; perhaps the TR engine is different in this respect?) make the engine run cooler, without disturbing the distribution, or the 'skeleton' of an old thermostat:- a thermostat with the moving component (the wax bit & spring) removed, which, in theory should have the same effect as the blanking sleeve?
Has anybody tried anything like this? Is this worth a try, or am I just wasting my time, or maybe even asking for more trouble?
Should I just persevere with these temperatures, 'til the weather returns to 'normal'; after all, TRoy hasn't actually overheated, in some fairly extreme conditions recently.
As ever, your advice & opinions will be much appreciated,