Thanks for the information everyone. I don't think I want to go as far as a 722.6 but I am going to keep a eye out for a 722.5. I'm not sure what the torque is in my car as the engine is a low compression engine from Mexico. It has plenty of power for me and it runs best on low octane regular fuel. I have a 560 ready to go in but the 500 is cheaper to operate (20+mpg on the highway with regular fuel). So I think the 733.5 would probably be fine. I'll let you know IF I find one and how it works.

Paul

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84 500 SEL (307,xxx miles)