2G Custom coolant overflow ghett0rade

[Allen2g]

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Looking to make a cheap custom coolant overflow, cant fine one locally where i live, getting it shipped is like 40usd just shipping alone so that isnt worth
leaning to towards that 'ghettorade' overflow^^^.
So i got my fitting, and hose for neck->bottle, then another hose that goes into the bottle/tank. Will i need to poke a breather hole at the top? Will i also need to make another fitting for an overflow hose(thinking i wouldnt need one since i like to check my bay from time to time).

 

[motomattx]

It needs a way to breath, at least a vent is what I would do, otherwise it will either blow the bottle up or crush it depending on temp.

 

[Allen2g]

It needs a way to breath, at least a vent is what I would do, otherwise it will either blow the bottle up or crush it depending on temp.

Aha yeah, okok. Will poking a hole beside the fitting be okay?
So to properly fill the system, fill the system from the neck till full then fill the bottle half way?

 

[JPenny]

This is what I did it worked perfectly. I know you dont have the oem cap but if you can find just the cap it has the vent and everything built into.

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Thank you for your time, Jason Penny

 

[Allen2g]

Yeah unfortunately i have no access to just the cap, dsms are rare where im from .
ended up making one out of a Gatorade bottle