coolant pipe under the intake manifold
well it seams to be missing the coolant pipe that ties the left head to the right , and front to back , and feed the tb(which we all know is stupid and not needed) , it has a nitrous plate and 80mm bbk tb any way
my question , is that pipe really needed , when i drove the car home , and took a few friends for a ride , the temps stayed down and never got hot , just seams to me it should be there
so should i add it or leave it alone ?
here is 2 pics of the motor , you can see the cap on the head in the first pic
this is what im missing , not sure which style

the earlier years used the older style which connects all four ports.
Some people say you dont need them, others run their own lines.
currently i do not have any lines at all , car seams to run good temp wise , but i live in the middle of hell
its just odd to me that someone would leave the pipe out
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well ive only driven the car twice , i just got it , but the pevious owner said he didnt have any cooling issues
the car is BMR's 04 gto they built , between blowing the original 5.7 , putting a 408 in it , and not sure whether bmr or the 2nd owner swapped back to a 5.7 , but anything is possible on what happened to that tube , im the 3rd owner , the car will be back with a vengeance early next year with boost



