400 m problems need help please
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Joined: May 2011
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400 m problems need help please
I just put this 400 m in my 78 and I dont understand... it seems like there is so much vaccume that the tranny dosent want to shift. It will only shift right if I am really really easy on it.. I took this motor right out of another 78 and everything is Identical... I really do not understand.. would my power valve have anything to do with it? Its not hooked up but my 79 is a built 302 and its not hooked up and i drive it daily.... any help??
Fleet Owner
Joined: Oct 2005
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From: Kentucky
You might have better luck by posting in the correct forum: 1973 - 1979 F-100 & Larger F-Series Trucks - Ford Truck Enthusiasts Forums
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