400 rebuild
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Freshman User
Joined: Oct 2003
Posts: 47
Likes: 0
400 rebuild
i am planning on rebuilding my 400 but i dont know what i should do im new to the truck industry i just got my licence a little over a year ago thats when i got my ford '77 f250 4x4 it still has the original motor in it im the 3rd owner of it. i dont know much about the whole internal workings of the engine i was hoping for any information on what i should do. Any incite would be a big help.
ive got to try and keep the cost low im on the budge of a 17 year old and my parents still beleive in me paying for my rig and fuel and such.
thanks for any help!!
ive got to try and keep the cost low im on the budge of a 17 year old and my parents still beleive in me paying for my rig and fuel and such.
thanks for any help!!
Senior User
Joined: Aug 2003
Posts: 137
Likes: 0
go with these three 4-barrel carb, intake manifold, and cam. i recently bought edelbrock carb and manifold, i didn't get the cam but i should have, if you can keep your foot out of the 4-barrel it will actually get better mpg than your stock 2-barrel, don't go too big on the carb all you need is 600 cfm, if you have extra money left i'd put a set of headers on it.
enjoy, there's a lot of people that dog the 400, but mine will spin my 33x12.50 everytime in forward or reverse
enjoy, there's a lot of people that dog the 400, but mine will spin my 33x12.50 everytime in forward or reverse
Post Fiend
Joined: Jan 2003
Posts: 10,323
Likes: 2
From: Montana Territory
The cam is the best possible upgrade that you can make. Crane Cams makes a awesome setup, includes everything that you will need, getting a 1971 400 timing chain also helps. I don't care what year your motor is, get the 1971 timing chain and gear set. I think I have just effectively spent $500, that should keep you busy for a while.
Stick around and you will soon be a 351M/400 expert like Bubba.
Welcome to FTE!
Stick around and you will soon be a 351M/400 expert like Bubba.
Welcome to FTE!
Posting Guru
Joined: Jun 2002
Posts: 1,099
Likes: 0
Verify 400 balancer
Considering these engines haven't been built in over 20 years it's not easy to find an engine that has never been rebuilt. So far all the 400 balancers I've seen use a thick H balancer. Could you take a look at yours and let me know if it's less than 1" or more than 1" in thickness?
What's your budget look like?
What's your budget look like?
New User
Joined: Sep 2003
Posts: 10
Likes: 0
Hey man I am in the exact same boat (except mine is an f-150 4x4 with a 351). My dad was a mechanic a while back and he helped me determine what needed to be replaced or fixed. I realized that just replacing the block is the most cost effective solution. The "big three" parts are a big drain on the bank account too. It's hard for a teen these days to make much dinero. Oh well, that's my little random spiel at these late hours.
