Could be that the head gasket is leaking slightly. Stick a carbon
monoxide sniffer in the radiator while the engine is running to find out.
CR
oliver wrote:
> hi, all.
>
> i could use some help.
>
> 73 mgb roadster, radiator recored at a supposedly reputable shop, new
> thermostat, plastic fan, dealer add-on air conditioning, new sending
> unit, reads same as old sending unit, second gage hooked up reads about
> the same; system flushed by running water through it in the last few
> year or so, antifreeze/water mixture fairly new, prob 60/40 to 50/50,
> new heater control valve and radiator cap.
>
> car runs hot,
|