Quantum, with your older Ford FE motors you are working with you oughta check out
www.fordfe.com/ to get a lot of very usefull info. For starters, like they'll tell you, the 400M is a crap motor. Go talk to them and see what you should do. I've misplaced all of my 400M info that I had got from them last year. They know their stuff.
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1994 Red SVT Lightning #2019