These pics show the fabrication and mounting of an Audi A4 1.8T main cooling fan to my '23 T-Bucket radiator. This fan is very powerful, and will hold the engine on the thermostat even in stop/go traffic. bucketfan01 shows: The basic construction consisting of 1/2" square tubing, 1/8" thick 1" angle and 1 1/2" flat bar. The fan mounting ring was formed on my Tubing Roller: http://www.metalworking.com/dropbox/_2003_retired_files/roller.txt bucketfan02 shows: the mounting frame painted with gloss epoxy. bucketfan03 shows: the fan assy mounted to the mounting ring. bucketfan04 shows: reverse side view. bucketfan05 shows: the assy mounted to the radiator. bucketfan06 shows: with the shroud in place. JR North