I hate the idea of having to modify the radiator since I got a lifetime guarantee on it and am actually on my second one (free). The first one worked well but that was bought years ago. That leaves me one direction to turn right now...Does anyone know of any good radiator shops in or near Oklahoma City????

See, but look what you just said. The "lifetime warranty" means you get to spend your lifetime replacing poor-quality parts under warranty again...and again...and again. Not worth the paper it's printed on. Have a real radiator put together and forget about the radiator for the next decade.

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Too many people who were born on third base actually believe they've hit a triple.