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Bulent,
I have that same purge tank on my 20B installation. Here's how I have it plummed. The bottom fitting on purge tank T's into the inlet (lower) side of the water pump (the 20B pump has a fitting that I used). The side fitting goes to the top of the outlet side of the radiator (I had to weld a -6 AN fitting to accomplish this). I did not use the fitting on the rear side housing, but instead just put a fitting on the top of the water pump so I can open it while filling the engine with coolant and it will allow the trapped air to escape. You could remove the upper rad hose to accomplish the same thing. I figured the small bubbles will get trapped in the outlet tank on the radiator and get sucked into the purge tank.
One last thing. I installed a coolant level sensor in the purge tank to let me know of low coolant levels. So far I have 3 hours run time on the system and it appears to be working as intended.
Sorry, no photos. (I'm at work at this time).
Mark S.
At 08:05 PM 1/18/2004 -0500, you wrote:
Hi Guys, I have been all weekend at the airport trying to figure out the
plumbing on the Cosmo. The problem is hooking the aluminum tank as part of
the whole system and being able to send all the air to the tank. From there
I'll have a small overflow and recovery tank.
Want to get away without a fill cap on top of the pump if I can?
Bulent
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