aftermarket coolant overflow

The Nissan 300ZX (Z32) general community discussion forum
DevZX
Posts: 81
Joined: Mon Apr 09, 2012 9:17 pm
Car: 1990 300zx twin turbo
1995 miata mx-5
1990 miata mx-5

Post

hey guys so my coolant overflow was cracked so i ended up getting a smaller aftermarket one. the problem is its sealed besides the hose that connects from the radiator. would this design not relieve pressure well enough? should i drill a hole towards the top of the tank to relieve pressure better?


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