hers something ive been thinking about, the Chevette heater core has a 3/4 inlet and 5/8 outlet. why not use them? have a 5/8 (stretched) or 3/4 ID tube (lol) from the pump to the rad, then have a 5/8 outlet going to the distro block? then 5/8 from the return distro and back to the pump. ...just for sh*ts n giggles...
is any-1 here running a setup with tubes larger than 1/2 inch??
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