b20 with b18c oil heater/cooler

[james2k106]

Hi I'm building a b20 to put in to a ek9 that I've had stored away in the garage for 2 years and I'm finally getting round to starting work on it! I'm just wondering if anyone could give me a bit of advice on fitting the original b18c oil heater/cooler exchange to a b20.

What size is the fitting in the b16b/b18c block where the water hose connects? I know one water hose from the exchange goes to the pipe that runs along the block on the b18c but the other goes to a fitting in the block which isnt on the b20. I want to tap the block in the same place for the water pipe from the oil exchange but I'm unsure what size fitting it is?

Also what have others done about a good crank case ventilation system when building a b20vtec

Thanks