FS: Motordyne Coolant by-pass valve
Originally Posted by G-Ride Canada
It's always a question to me that what does the by pass do? and what if you didn't install it when you install the plenum spacer?
http://motordyneengineering.com/cata...products_id=46
Our cars have coolant running to the throttle body to warm it up.... this gets rid of that loop.


