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Old 01-13-2009, 03:58 PM   #1 (permalink)
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engine ?s

i posted this in the newb forum and nobody has replied so i figured id bring my search for info to the pros
i just got a 1977 f-150 with a 400m and i was wondering what the pros and cons of this engine.
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Old 01-13-2009, 04:16 PM   #2 (permalink)
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Gas guzzling, little power and the heaviest V-8 that Ford put in light/medium duty trucks. They like to spin bearings but hate to rev, suppose to be a torque engine but i was never impressed. IMO as much as i dislike them the old 300-6 was a more impressive engine. FE's are what i like but the 302 and 351W are also great engines. For your application yank out that turd and drop in a mild 460 and never look back.
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Old 01-13-2009, 04:16 PM   #3 (permalink)
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It's a 400, not a 400m.
Pros= They make great torque, and with a few bolt ons they really become a respectable stump pulling motor, they have the bell housing pattern as 460s and 429s so an engine swap is easy.
Cons=In trucks they only came with a 2v carb during a new emission time, so they were smoged down to hell.
8:1 CR, retarted timing, crappy cam, lower unit bearings don't last and cause a bad drop in oil pressure.


Some people only consider them as boat anchors, but they have their own place and like I said, do a couple bolt ons and they're good to go, but don't compair them to a 460, there's no competition.
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Old 01-13-2009, 04:20 PM   #4 (permalink)
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Quote:
Originally Posted by woodchuck2 View Post
Gas guzzling, little power and the heaviest V-8 that Ford put in light/medium duty trucks. They like to spin bearings but hate to rev, suppose to be a torque engine but i was never impressed. IMO as much as i dislike them the old 300-6 was a more impressive engine. FE's are what i like but the 302 and 351W are also great engines. For your application yank out that turd and drop in a mild 460 and never look back.

Stock they sucked because of all the smog and emissions crap. Get rid of it all, and they make the same power as the FE motors.
Ford put 460s in F100s, so that is obviously the heaviest motor not the 400.

302s are good motors, but they are crap in 6,000lb trucks.
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Old 01-13-2009, 04:33 PM   #5 (permalink)
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its got headers already and im not sure i havnt even got it home yet but it might have a 4 barrel carb not sure on that though,

i was told aussie cleavland heads are a very good upgrade but havnt found any info to back that up yet. i plan to get a cam for it so the crappy cam isnt really a problem.

i have a 360 f.e. in a 72 f-100 so i could swap that in but i really dont want to swap the engines cause my brother and guy i bought the truck from rebuilt the engine four years ago so i know its good for a while.

what parts from the clevland will swap over? i was told its basicly the same block as the clevland and all the info ive found back that up.

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Old 01-13-2009, 04:46 PM   #6 (permalink)
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The 360 has a different bell housing pattern and wouldn't bolt up to the bell housing behind the 400.
Aussie heads used to be a big upgrade that everyone would do, but now everyone thinks they are made of gold....they sell for the same price as aftermarket aluminum heads and that's basically straight out the junkyard.

It's the 3 or 4v aussie heads that won't work unless you do some custom work to your intake.

If it has a 4v carb and aluminum intake and headers, then all I'd do is put new cam and lifters, straight up double roller timing chain, and some new valve springs and seats.
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Old 01-13-2009, 05:14 PM   #7 (permalink)
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i know the fe is backed by a c6 i dont know about the 400 yet, itll be in my yard this weekend so ill know then.

ausfordparts.com has the heads they have some pics and the heads dont look too bad, i dont know if the asking price is good tho.

thanks for the info mbbford
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Old 01-13-2009, 06:30 PM   #8 (permalink)
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http://www.hotrod.com/techarticles/e...ild/index.html And yes, it is a 400M--------Hans
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Old 01-13-2009, 07:12 PM   #9 (permalink)
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I put aussie heads on mine when I put on the SEFI. it is totally a different engine, that what came out of the factory. And as for the comment on not wanting to spin up. It does do just fine.

btw, stock valve springs should not exceed .495" of lift
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Old 01-13-2009, 07:32 PM   #10 (permalink)
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my buddy did his own valve unshroudin with a die grinder went with a earson tq-30 cam and the put in some pistons for a propane moter puttin his compression up to 10to 1. he also did a edelbrock rpm mani, 650 double pumper and headers. that thing flat had power!! it screamed and then broke dana 60 shafts with ease and 36's.
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Old 01-13-2009, 08:00 PM   #11 (permalink)
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last I looked a set of Aussies done right out were a good deal http://www.powerheads.com/aussieheads.html

I dont know if those guys are any good to deal with.
the #1 guy for that engine is http://www.tmeyerinc.com/

if you want to spend $$ for very little gain Edelbrock sells a head for that motor, for the same ballpark as Edelbrocks you can ge tthe bling from Australia called CHI,
and they do make a 400M intake to go with their heads, thatshow they get it into the engine masters challenge to dominate every other engine

search on here everything has been covered.
the pistons are the real issue with that rebuilt 400, basically if they didnt use pitsons from Tim Meyer they left a ton of power on the bench
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Old 01-13-2009, 08:18 PM   #12 (permalink)
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And yes, it is a 400M--------Hans
That's the name rednecks gave it, Ford never refered to it as a 400M. It belonged the 351M/400 family. That's were the confusion started. Since Ford never made another 400 they didn't need a suffix to identify it like they did with the 351C, 351W and 351 M.

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I put aussie heads on mine when I put on the SEFI. it is totally a different engine, that what came out of the factory. And as for the comment on not wanting to spin up. It does do just fine.

btw, stock valve springs should not exceed .495" of lift
Elk Grove?? wtf happened to the desert?
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Old 01-13-2009, 08:50 PM   #13 (permalink)
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Elk Grove?? wtf happened to the desert?
wife and I got laid off, so we moved back seeing there is absolutly no jobs in the area we were working. Did not want to live in Tucson, or crime ridden Pheonix
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Old 01-13-2009, 08:53 PM   #14 (permalink)
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wife and I got laid off, so we moved back seeing there is absolutly no jobs in the area we were working. Did not want to live in Tucson, or crime ridden Pheonix
Welcome home. <hijack off>
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Old 01-13-2009, 08:56 PM   #15 (permalink)
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Welcome home. <hijack off>
awe... thanks. Miss me?
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Old 01-14-2009, 05:30 AM   #16 (permalink)
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With The low compresion of the 400, 8.0:1. The trick is getting a camshaft with a bunch of torque but, have enough duration and overlap to avoid detonation while under a heavy load.

ELGIN has a good one which works #E-1155-P ; Single pattern - 284 off the seat - 208@.050" - .484" valve lift - 111 seperation; 107 intake centerline. I'd go with the Edelbrock performer/650 Holley with some long tube headers.

Remember the 400 is factory rated @ only 160-167 HP so If you want to be competitive this is just a start. If you are going to run this como, don't gear too excessivly as this is a torque combonation. 38's /4.56's would work well, Be sure to connect the oil galley port near the fuel pump to the one at the sending unit @ the back of the engine. This will belp the bottom end live longer at high RPM's. The great gain with the aussie/cleveland 4V heads is in compression, Due yourself a favor if you are going to build it buy some better pistons to raise compression, Port the exhaust side of the factory head while gasket matching the intakea side,They will flow plenty for what you want. A set of pistons will be cheaper than a set of heads and are far easier to obtain.
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Old 01-14-2009, 02:24 PM   #17 (permalink)
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Quote:
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With The low compresion of the 400, 8.0:1. The trick is getting a camshaft with a bunch of torque but, have enough duration and overlap to avoid detonation while under a heavy load.

ELGIN has a good one which works #E-1155-P ; Single pattern - 284 off the seat - 208@.050" - .484" valve lift - 111 seperation; 107 intake centerline. I'd go with the Edelbrock performer/650 Holley with some long tube headers.
I have always read that it is far better to have a dual profile cam, vs a single profile in the 400.
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Old 01-15-2009, 05:36 PM   #18 (permalink)
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Yeah news flash... 400 ford wins engine masters challenge 656hp and 618 lb.ft.... Now this one would be a little much do duplicate but you get the idea.. Everyone dumps on it because it was considered a "dumptruck" engine but 400 cid, canted valve heads, long rods... Etc.. Just rebuid it with a comp extreme energy cam (274) put a edelbrock performer and a 650 carb w/headers and you should have 350hp or so- oh yeah, the oiling thing doesn't matter below 5500, but if you can't sleep, moroso sells the restrictor kit for like $14.....lol

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Old 01-15-2009, 06:05 PM   #19 (permalink)
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Only little girls, and jopes run the turds known as 400m's.





















































































































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