lower radiator heater hose block off?
 

I have a s4 turbo. I'm putting in a s5 engine on the weekend. I need to use my radiator for now, for running it up and testing everything. is there any way, easier/quicker, other than welding up the heater hose pipe on the bottom rad pipe, ie; some sort of block off? or knead-it?(what I assume is what you call jb-weld, a putty like substance that dries hard and seals). (I'm going to buy a better radiator in a couple weeks, just with buying all fluids, lines, filters, plugs etc funds don't allow it presently)

the simplest way is to take a short length of hose and put a piece of metal in it, i believe you need something like 18mm, then just put that on

you mean, just chuck a large bolt in and tighten down a hose clamp. duh why didn't I think of that. probably coz I'm mad sick with a fever. better be well for engine time on the weekend.

If you search, theres a thread that shows plugs you can buy from home improvement stores here in the US. I'm sure they're available over there too!

had a good long search. couldn't find the bungs but I'm sure I can find a brass fitting for the block and just bolt and clamp the hose off the rad for test day until I pick up a new rad. seems to be a lot of back and argument over whether to block or loop the heater lines. not sure why you would use plastic caps when a bolt or similar with some sealant and clamp in a very short length of hose is going to be far more fail proof and not look that horrible.

why do you need to block it off if the S4 had the heater core hooked up?

might not be everyones cup of tea. but it's a stripped out build. no carpet, sound deadening, a/c, power steer (may go electric if it's too hard to handle in tight motorkhana but I'm strong so we'll see), heater, stereo etc. it will be road registered so I get to drive it but would also take it to track days and motorkhanas. it's getting stockish engine setup till I get used to it and while I save up for my fuel setup and ecu for my bridgey turbo block. it's not my daily so luxury is not my concern.