Go with an A/W intercooler. You have MANY more options for finding a radiator that will fit in front of the A/C condenser. You could also put it low and in front of a front wheel with a fan on it. In a year or two when I get back into the DIY performance scene I might mount the A/W radiator for my wagon where the muffler used to be. The muffler is about as wide as the car in the rear... would need a fan for it though.

The easy way is to buy a CDI though!

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John Robbins
'05 E320 CDI - 240k
'87 300TD - 318k

I just mounted a late 80s Toyota Supra Turbo intercooler on my 300D...all I had to do was cut off the 90* elbow on the intercooler, and I have yet to pipe it...but it occupies the space that the condenser once did...and you can't even see it hiding behind the grill

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Nick
*****
2002 Sprinter 2500 140" High Roof :