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Old Jun 6, 2006 | 02:31 AM
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Question motor opinions

I have a 77 f-250 currently with a 400. i am stuck deciding if I want to go with something els like a 429, 460 or just stick with the 400. Which of the motors would all of you suggest and why?
 

Last edited by Torque1st; Jun 6, 2006 at 04:08 AM.
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Old Jun 6, 2006 | 04:10 AM
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Hello- Welcome to FTE! Check out the list of tech forums we have on FTE. There is a wealth of information and expertise here to help you. There are a number of links in my sig below to help you also. Have fun!

Please tell us what you want to do with the truck and what you want from the truck first. We also need to know your budget.
 
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Old Jun 6, 2006 | 08:40 AM
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All of these engines can be made to work. If you want to know anything specific, try looking in the 335 (351C, 351M and 400) and 385 (429, 460)engine forums.
Also be aware that this can be an emotional issue for some of the users of this site. Keep in mind that every engine Ford made has potential.
Good luck.
 
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Old Jun 6, 2006 | 10:12 AM
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For what purpose will the truck be mainly used for ?

Yes there are several discussions in the engine forum about each engine.

Once you decide, come back to this forum and we can help with the ins and outs of swapping if that's what you decide to do.
 
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Old Jun 14, 2006 | 07:15 PM
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This man needs a 300. He doesn't realize it, but I make him suffer from "motor envy"

Don't get a unneeded big block, I keep telling ya. If you're putting around town as a daily driver, get the 300. If you want to tow something big (like say, a building) you can use my truck. Keep in mind, I love my truck dearly, but I can't afford to drive it...
 
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Old Jun 14, 2006 | 09:46 PM
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I agree, It's all about what you want to do with the truck. There is no use for a 460 if you just want a daily driver. I have a 73 F100 2wd with a 240 CID 3 "on the tree" and it cruises down the interstate 70-80 mph. It is a great daily driver, plus gets pretty decent gas milege, much better than my 2005 F150 which I am getting rid of and sticking with the old school stuff. I'm also in the process of restoring a 77 F250 Highboy (which will be taking the place of my 05 truck) and I'm going with a 460. I will plan on doing some pulling with that on occasion and also, since I'm doing a custom restoration, I just as well have some real power under the hood.
 
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Old Jun 14, 2006 | 10:37 PM
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Originally Posted by bucks77ford
...much better than my 2005 F150 which I am getting rid of and sticking with the old school stuff.....
I hear ya man, I'm selling my 01 ranger because my 77 F150 with a 302 gets the same gas mileage and it's paid for.


I say if your 400 is in good shape keep it. You can make good power with it once you get past the 70's smog restrictions. They are great engines if you "encourage" them right.
 
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Old Jun 14, 2006 | 10:44 PM
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He's being stubborn about his 400. Like I said, he's jonesen for that extra liter I got

Pop Quiz- a 429 and a 460 have the same bore, but not stroke, is that right?
 
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Old Jun 14, 2006 | 11:01 PM
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The 400 has a longer stroke than the 300 or the 460. It just cant breathe well. The torque is there, you just have to find it.
 
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Old Jun 14, 2006 | 11:03 PM
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Also agree with wintremute - if the 400 is good and you already have it, keep it - can always mod that with the money you would spend to get the 429 or 460 block.
 
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Old Jun 15, 2006 | 12:36 AM
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all you need to make a 400 breathe is a good intake and a big ole carb....
 
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Old Jun 15, 2006 | 01:29 AM
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Personally I would stick with the 400. We have two trucks with the 400 in them,a 77 F-150 (mine) and a 78 F-250 CS(my dad's) and they both runs as well or better as my 1992 Bronco. A buddy of mine had a 76 with a 460 and he always seemed to have problems with it. Our could have been taken care of better than his but for my needs the 400 is great. I havn't had any expirence with the 429 so I can't help you there.
 
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Old Jun 15, 2006 | 01:51 AM
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Survey says:

*yay* the keep the 400 crowd is winning!

Skeelo should have mention that his 400 isn't currently running. I forget what was wrong, he'll have to chime in and correct me, but I think he said he spun a bearing, is that it skeelo?

Its a nice truck, I've been pestering him to fix it. They actually thought about selling it. Its a nice green, with a extended cab. Not a bad ride if you ask me...
 
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Old Jun 15, 2006 | 08:42 AM
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From: waco
Originally Posted by Handegard
He's being stubborn about his 400. Like I said, he's jonesen for that extra liter I got

Pop Quiz- a 429 and a 460 have the same bore, but not stroke, is that right?
Give that man a prize! You are correct. Same bore....different stroke.
 
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Old Jun 15, 2006 | 10:12 AM
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You can do a lot of good things with that 400, again it all depends on what you want to do with the truck, how much of the work you'll be do yourself, and what type of budget you're working with. The 429 is hard to find/expensive, the 460 is huge on gas especially if you're only driving around town. In the long run I think it'll cost you pretty much the same thing in the end to drop in an old used 460 than rebuilding a slightly modified/ fun to drive 400. At least you'd have something trouble free for a while if you rebuild that 400. I say rebuild, while you're in there change the cam, get a nice intake on top and notice the difference with a set of headers.

Madmike33
 
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