can i put 2 pumps in 1 loop?

[1832vin]

is is possible? i want a 3 rad, and extra cooling but i like my case and it on;y supports 3 rads positions; so......
can i like put a tube from the out to the in of another pump's in
the pump i'm using is swiftech mcp 655 (cuz they're small)
would liek work?
or would it make a virtual vacuum and burst the tubes

 

[itzdanielp]

It's called running the pumps in "series" and here is an excellent article about running it.

It also shows how to run them in Parallel.

http://martinsliquidlab.org/2011/04/26/pump-setup-series-vs-parallel/2/