water pipes

[barrington]

can anyone tell me if i can bypass the two 15mm water pipes under the plenum or if the later cars have a better set up as these need replacing

[pwd95]

They don't really serve any purpose on a TVR. It was a mod for Range Rovers in cold climates as I recall.
They were disconnected on my old 450i.........



But connected on my old Chimp......



Made no real difference that I could feel, both cars were awesome.

[Wedg1e]

Do you mean the throttle body heater as described above, or the two steel pipes that exit at the rear of the engine, under the plenum? You can link the TB heater no problem; the steel pipes are part of the heater circuit, you could probably link them without too many problems, but if they're leaking (which they often do) then you may have fun.
Some RV8 versions didn't use them, the large alloy boss underneath isn't drilled (the other is linked via a short rubber pipe to the thermostat housing or water pump, I forget which, but it wasn't fitted).
The biggest hassle is getting the threaded one to unscrew from the boss: I've dicked myself a couple of times trying it. Must have been one hell of a sealant... plus quarter of a century of corrosion.
My car had a pin-prick leak in one of the steel pipes, about an inch from the end, so I just sawed the rusty bit off and refitted the hose with a proper pipe crimp...

[hallsie]

Wedg1e said:

so I just sawed the rusty bit off and refitted the hose with a proper pipe crimp...

Im sure thats what has been done to every water pipe in my engine bay!!
They all seem to be like piano wires!

Another thing to add to the list........

Stu

[barrington]

Wedg1e said:

Do you mean the throttle body heater as described above, or the two steel pipes that exit at the rear of the engine, under the plenum? You can link the TB heater no problem; the steel pipes are part of the heater circuit, you could probably link them without too many problems, but if they're leaking (which they often do) then you may have fun.
Some RV8 versions didn't use them, the large alloy boss underneath isn't drilled (the other is linked via a short rubber pipe to the thermostat housing or water pump, I forget which, but it wasn't fitted).
The biggest hassle is getting the threaded one to unscrew from the boss: I've dicked myself a couple of times trying it. Must have been one hell of a sealant... plus quarter of a century of corrosion.
My car had a pin-prick leak in one of the steel pipes, about an inch from the end, so I just sawed the rusty bit off and refitted the hose with a proper pipe crimp...

thats the ones they were remade in the past but not that great ill sea if the engine builder has any cheers