Stop in for a cup of coffee

krazykuda said

You will still have the sudden expansion and contraction through the 5/8 lines in the cooler...

Get a 3/8 cooler....

Click to expand...

Only sort of.

It is known as a “wide spot in the line” where fluid flow slows. Fluids are not compressible and the pressure won’t drop or increase in a closed system...only flow rate is affected.