400 i need opions
Post Fiend
Joined: Sep 2000
Posts: 8,238
Likes: 3
From: Oregon
400 i need opions
Personally, I think the 400 is a turd of a truck motor. I'll take any engine from the FE family or 429/460 over it any day of the week. No offense you guys with the 400s, but he did want my opinion. I remember this very topic coming up before so you might want to do a search on for my info.
Posting Guru
Joined: Aug 2002
Posts: 1,729
Likes: 2
400 i need opions
The 400 is a good running motor, I'm running 2 of them. They get looked down upon because they are "smog" motors. The full potental of this engine was never developed due to emissions and fuel economy reasons. Check out the 351C/351M/400 forum
Laughing Gas
Joined: Jul 2000
Posts: 851
Likes: 15
From: Elkton, MD
400 i need opions
the 400 is an awesome motor, just needs more compression, a cam, 4v intake and a 600cfm carb, and headers, the basics for any motor, they are great, and with a 4 inch stroke, they really pull these heavy trucks. I had a truck with a 351m and a 2v carb on it, all it had was a glasspack muffler, single exhaust, and a small cam, and it would really run. They are just turds when they have 150k miles on them and are wore out, and down to 100hp, rebuild em, and they are great.
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
400 i need opions
Do a <SEARCH> here and in the [link:www.ford-trucks.com/cgi-bin/dcforum/dcboard.cgi?az=list&forum=DCForumID12&conf=DCConfI D1|351M/400/351 Cleveland] Forum.
I like the motor, it has great potential. The first year they came out in 1971 when they were set up right they were real screamers but the EPA killed them the next year.
I like the motor, it has great potential. The first year they came out in 1971 when they were set up right they were real screamers but the EPA killed them the next year.
Senior User
Joined: Jan 2000
Posts: 248
Likes: 2
400 i need opions
Not worth the cost of building it. Put in a 429/460 and be happy (but broke.. lol, kidding, you'll get the same milage with a "built" 400 or a 460).
You gotta do alot more work than it is worth to get a 400 to perform, although it can be done.
You gotta do alot more work than it is worth to get a 400 to perform, although it can be done.
New User
Joined: Sep 2002
Posts: 8
Likes: 0
400 i need opions
Boat anchor, I am in the process of taking my 400 out of my 78 f250 4x4, I hate it, If you plan on towing anything dont use the 400 they over heat every time. I bought a 460 out of a 75 2x4 getting it built and putting it in. Good luck.
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New User
Joined: Oct 2002
Posts: 2
Likes: 0
From: Farmington USA
400 i need opions
I Have a 1977 400 I had rebuilt about 4 years ago It tows great with the right custom ground RV cam manifold and carb a very strong motor I invested 3000 total best thing I ever did I can pull my semi and belly dump loaded up a hill with no over heating. and almost climb a tree with it also
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Freshman User
Joined: Aug 2002
Posts: 27
Likes: 0
From: Lincoln us
400 i need opions
What are you going to use it for? I got a 400 and just took it to the mud drags and it smoked everyone else in the field. Ran stock then bumped up to super stock and still won. Beat out alot of 460's. Just my input.
Posting Guru
Joined: Jun 1999
Posts: 1,172
Likes: 2
From: SW Missouri
400 i need opions
400s are great, put a 71 master kit in it, an Edelbrock intake and carb, a mild cam, and some headers, and you will be pleasantly suprised.
460s are good too, I have and love both...
of course my powerstroke kicks butt too...
460s are good too, I have and love both...
of course my powerstroke kicks butt too...
New User
Joined: Oct 2002
Posts: 2
Likes: 0
400 i need opions
I currently have a 400 motor in a F 350 dump. Modification are a Crane power max cam H272-2, holly streetmaster intake, hooker headers,and 4.10gear ratio. edelbrock 625cfm. Engine runs great, except for soft heads. The valve guides wear and vale seat surfaces do not last. With head for these vintage engines a junk yard only, go with a 351 W. Look for a late model with fuel injection and you can do away with all of the after market speed goodies.
Posting Guru
Joined: Jul 2001
Posts: 1,613
Likes: 2
From: Gainesville, FL
400 i need opions
All,
Technically speaking, the 400 is a diamond in the ruff!
Problem is, can you find the parts you need.
I have the ability to find alternative parts and calculate motor geometry, most people have neither the patience nor inclination for such games.
The 400 has the potential to be one of the best Fords ever let out the factory doors. Its a big block cleveland!
Find someone to help you at a machine shop or race track. A few smart mods and you'll be eating chevy big blocks for breakfast.
My Way is the Highway
KingFisher
Technically speaking, the 400 is a diamond in the ruff!
Problem is, can you find the parts you need.
I have the ability to find alternative parts and calculate motor geometry, most people have neither the patience nor inclination for such games.
The 400 has the potential to be one of the best Fords ever let out the factory doors. Its a big block cleveland!
Find someone to help you at a machine shop or race track. A few smart mods and you'll be eating chevy big blocks for breakfast.
My Way is the Highway
KingFisher
Senior User
Joined: Jan 2001
Posts: 223
Likes: 0
From: Coquitlam, BC Canada
400 i need opions
[updated:LAST EDITED ON 11-Oct-02 AT 09:05 PM (EST)]I have a 79 bone stock 400 in a F-250 2wd, never had a problem, it hauls my 8'5foot camper just fine. Never had any overheating problems either. People seem to either love them
or hate them
, in my opinion I love the 400.
As long as it doesn't say "chebbie" on it, it's a great motor!
Joe
or hate them , in my opinion I love the 400.As long as it doesn't say "chebbie" on it, it's a great motor!
Joe
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