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Ecstatic about a possible purchase this week of a 66 valiant sedan. The current owner says it's a 225 slant 6, I am going to check the water pump hose to make certain it's not a 170. I am guessing I could also check the numbers on the motor itself as well to be certain, that info is probably on the net. One question I have is do these models have EGR valves? If so where would one purchase one that would work on this year and model? The body and interior are straight, a little surface rust on the passenger side, no horrible rust. Thinking of taking care of that immediately after we straighten out the motor. :cheers: thanks in advance for replies.