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Ford 400 Modified Performance

 
KillZoneR34
New User
Posts: 1
Joined: 08/09
Posted: 08/11/09 03:05 PM

Ok ladies and gentleman i'm getting ready to start the restoration on my 79 F-250 with a 400 Modified and i'm wanting any and all ideas for performance gains out of the motor. Any ideas? Confused  

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JETBLK98gt
User
Posts: 70
Joined: 04/09
Posted: 08/22/09 05:27 PM

400 or 351 modified there ok they can be built to be torgue monsters but they are know for weak bottom ends and rear main seal leaks i would suggest and up grade for a lil extra money and more avail parts is a 460 and they use the same bell housing so the trans will bolt up  my best friend bought a 79 150 4x4 with 6" lift and 38" tires had a 351m in it rebuilt went thru 2 rear mains in a year and a half and it only got 11 mpg  my 88 f-350 crewcab with 460 gets that witha trailer behined it hope this helps  sam  
ON THE GAS TILL YOU SEE GOD THEN BRAKE!!!

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BuzzLOL
New User
Posts: 3
Joined: 12/12
Posted: 12/20/12 01:45 AM

.. Did you ever get around to the 400 engine in this truck?

.. Nowadays the 173netHP Ford 400" can be easily and cheaply (under $1,000 DIY) built to make over 400+ HP and 450+ lb.-ft. torque and the cam & piston swap and boost in compression ratio also increases the MPG... and it's 50 - 100 pounds lighter than a 460 engine... for a truck... for more money get 550+ HP & 540+ torque... for a car... the bottom end/oiling problem is a cheap fix also... same formulas work for the 351"M/400block engine, just add the 400 crank to make it a 400"....

http://www.musclemustangfastfords.com/tech/mmfp_0911_installing_a_400m_small_block_into_a_351_cleveland_stroker_engine/viewall.html  

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waynep71222
User
Posts: 166
Joined: 04/12
Posted: 12/20/12 11:29 AM

How We Got Over 500hp from Ford's 400M Engine - Hot Rod ...

hotrod dot com/techarticles/engine/hrdp_0702_ford_400m_engine_build/

Check out how this Ford 400M engine was able to put out over 500hp with Ford, Chevy, Mopar, and Aftermarket products. ... Hot Rod Magazine, February, 2007 .... unit like we are building, but it is also a big improvement over the stock piece.

Ford 406 Engine Build - Hot Rod Magazine

hotrod dot com/techarticles/engine/hrdp_9809_ford_406_engine_build

We show you how to build a low buck Ford 406 engine using a 400M block and making tons ... Only at www.hotrod.com, the official website for Hot Rod Magazine.

Jon Kaase's 400M Ford Engine - Popular Hot Rodding Magazine

popularhotrodding dot com/tech/0902phr_jon_kaase_400m_ford_engine/

Popular Hot Rodding Magazine Homepage, Popular Hot Rodding ... Jon Kaase's 400M Ford Engine - Raising The Bar ... The objective here is to find the engine that is inch-for-inch the most powerful of them all, and the builder who can make it ...


Ford 400M Engine Rebuild - Classic Trucks Magazine

classictrucks dot com/tech/1002clt_ford_400m_engine_rebuild

Check out how we beef up a Ford 400M engine with a small engine build. Only at www.classictrucks.com, the official website for Classic Trucks Magazine! ... cam from Elgin, and upgrading the factory connecting rods with ARP rod bolts. .... The Weiand intake and Holley four-barrel are definitely the hot set up for even a stock ...  

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BuzzLOL
New User
Posts: 3
Joined: 12/12
Posted: 01/08/13 11:15 PM

see next posting & one above (2 links the same)  

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BuzzLOL
New User
Posts: 3
Joined: 12/12
Posted: 01/08/13 11:17 PM

hotrod.com/techarticles/engine/hrdp_9809_ford_406_engine_build

classictrucks.com/tech/1002clt_ford_400m_engine_rebuild  

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