I made aluminum tabs and used larger aluminum pop rivets bent the tabs over and they hang on the top lip of the rad. and attached them to the top of the shroud. then took a small piece of metal and bent the end over and drilled a hole in the other end and mount that on the lower core support the bent end just hangs over the edge of the fan hole and it holds everything real tight and is on/off in 2 min.s

DON,T USE THOSE STUPID ZIP TIES YOU WILL RUB A HOLE IN THE RAD. AND HAVE TO REPLACE IT, ASK ME HOW I KNOW. DO IT THE RIGHT WAY AND MAKE SOME BRACKETS OUT OF ALUM. YOU CAN GET IT CHEAP AT HOME DEPOT OR LOWES. I USED A VICE TO BEND THE FLAT BAR ALUM. TO WHAT I NEEDED. TOOK ABOUT AN HOUR ON A SAT. AFTERNOON. IF YOU WANT SOME PICS I WILL SEND THEM LET ME KNOW.![]()
When the fan motor loads up (initially starts spinning), it tries to spin the fan housing/shroud itself. This puts stress on the radiator which padded or non-padded ties will not handle very well.
here's one of the top I will get the lower tomorrow its to cold to climb under that thing tonight. Some one asked how we/I wired them up I run mine on a 40amp circuit breaker and a 40 amp relay.. I also made plates that go under the shroud also so the rivets don't pull through