Fuel pipe for water? (more power on M20 engine)

[Patrick]

Can I use fuel pipe as water pipe on the engine?

I'm doing a little mod picked up from Ant on E30 zone (bypass the water thats pumped through the intake = colder air into engine = more power - not needed in the UK as it doesnt get that cold) I have some spare fuel pipe that the right size to run from the back of the block to the thermostat.

[Patrick]

I just found some heater/water pipe at the bottom of my of bits box

[Patrick]

So people know what I'm taking about, here are some piccys:

What your doing is by passing the two pipes sticking out here:


By connecting from here:


To here, with a water pipe: