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 400 or 460?

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johnboggs21
doc_auto
79_bronco
batty1214
8 posters
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400 or 460
400
400 or 460? I_vote_lcap0%400 or 460? I_vote_rcap
 0% [ 0 ]
460
400 or 460? I_vote_lcap100%400 or 460? I_vote_rcap
 100% [ 7 ]
Total Votes : 7
 
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AuthorMessage
batty1214
Valued Member
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batty1214


Posts : 448

Age : 39
Location : Utah

400 or 460? Empty
PostSubject: 400 or 460?   400 or 460? EmptyApril 4th 2010, 10:38 pm

I have chance to buy a fully freshened 400 m ford motor, that has had 30,000 put on it, and a 460 bb pulled from a 78 car, that doesn't smoke, but has 76 thousand and some odd miles...... They are the same price...... Which ever one I get will be going into my 1978 ford f250 that has the parts for the 460 swap bought for it.... The truck came from factory with a 400...... So, its a tough one for me to decide.... On one hand, the 460 power would be nice, but I'm not going to be towing anything with it, just turning it into a little street rod....
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 4th 2010, 10:49 pm

easy decision.. 460.. it will outlive the 400 by about 3-4 lifetimes.. the 400M is a mongoloid of a motor.. a little 351C, a little windsor, so on, so forth.. the 400M's have the 351W crank journals, which is a big kick in the stomach. they are prone to rod knocks after reving over 4800rpms. don't get me wrong, they are low end torque power houses.. but you get more life out of the 460 due to design flaws in the modifieds
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batty1214
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batty1214


Posts : 448

Age : 39
Location : Utah

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 4th 2010, 10:56 pm

What's the downer of having a car engine over a truck engine as far as swap goes concerning the 460's
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 4th 2010, 11:02 pm

i don't know the complete breakdown on the 460 car motors, but i believe the motor mounts are the only concerning difference. otherwise, the only differences i know of are the intake and valve size.. the truck motors had slightly larger valves and a taller intake if my memory serves me right.
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doc_auto
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doc_auto


Posts : 662

Age : 32
Location : corsicana, tx

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 4th 2010, 11:07 pm

street rod = 460


DO IT!!
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 4th 2010, 11:14 pm

how to you turn an F250 into a street rod? lol

i forgot to add, there is 1 HUGE bonus to the 400M.. NON-CATYLIST meaning no cat and you can't fail for emissions!
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batty1214
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batty1214


Posts : 448

Age : 39
Location : Utah

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 4th 2010, 11:32 pm

I don't have to worry about emissions........ And to turn the f250 into a street rod, I'm lowering the front just 3 inches with a coil spring swap, and the rear is getting tubbed, dropped 4" and taller wider tires..... I'm looking at 15x8 inch rims, and 16x10 inch rims, 8 lugs, while keeping the weight capabilities of it.... Its got 4.88 gearing in the rear end, and limited slip...... I'm not wanting a cruiser, but something somewhat decent for friday night main runs/ the occasional feed store run for the ranch.... As well as hook on to a stock trailer and haul it around town. For a day.....
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doc_auto
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doc_auto


Posts : 662

Age : 32
Location : corsicana, tx

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PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 4th 2010, 11:37 pm

then yes. go with the 460
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 4th 2010, 11:49 pm

does your truck have the dummy 'front axle'? it's been a long long time since i've looked under a 2wd 250 lol if so, you have to watch your clearances.. i think a 3" drop would put things VERY close
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batty1214
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batty1214


Posts : 448

Age : 39
Location : Utah

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 4th 2010, 11:57 pm

I can pull my stock trailer with my 4.3 S10, with my horse in it..... I used to pull the stock trailer with the 78 and the 400, it'd pull the 12 percent grade at 1 mile, pulling 12 cows at 75 mph....... Power isn't the issue... Just the best for the application
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

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PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 5th 2010, 12:00 am

best for the application is a 460.. more aftermarket parts.. better bottom end strength.. more factory horsepower.. relatively same amount of torque
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batty1214
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batty1214


Posts : 448

Age : 39
Location : Utah

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 5th 2010, 12:07 am

It does have a dummy axle if that's what you call it....... Its an I beam axle, and I have looked into the drop, there is about 6 inches of clearance at full compression of the front suspension.....
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 5th 2010, 12:08 am

oh, ok.. wait.. i was thinking 4x4 with a pumpkin lmao brain fart!
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batty1214
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batty1214


Posts : 448

Age : 39
Location : Utah

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 5th 2010, 10:41 am

Well, I didn't ever specify 2 or 4 wheel drive... My bad
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 5th 2010, 3:07 pm

well when you said lowering, i automatically figured 2wd.. but when i was thinking of the front end, i thought 4x4 axle for some reason.. it was just a brain fart on my part lol
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johnboggs21
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Posts : 1171

Age : 31
Location : Michigan

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PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 5th 2010, 9:14 pm

i say go with the 460. I think the exhaust manifolds may be different
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batty1214
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batty1214


Posts : 448

Age : 39
Location : Utah

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 5th 2010, 11:06 pm

well, The truck already has a 2 1/2 inch dual exhaust into polished stainless steel magnaflow glasspacks, out into dual 3 inch pipe and bend behind the tires into 4 1/2 inch polished stainless tips..... OH, all the tubing is stainless too..........So depending on how the 460 runs, It'll go in, if I have to, I'll build some stainless steel headers(I have access to a full machine shop) and go that route........ Does anyone have and idea of a good rim design that goes well with the 78-79 ford trucks?
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batty1214
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batty1214


Posts : 448

Age : 39
Location : Utah

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 5th 2010, 11:07 pm

And NOTHING over a 18 inch rim..... I HATE big rims, and 18's are pushing big in my book
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 5th 2010, 11:43 pm

a nice set of 17's would set it off.. some 7" wides in the front and nice 10-12" wides in the rear with a nice beefy tire.. i bet a set of torq thrust-II's would look sweet
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doc_auto
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Posts : 662

Age : 32
Location : corsicana, tx

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PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 6th 2010, 1:50 am

im likin where this is goin.
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 6th 2010, 2:02 am

hey.. wait a minute.. 400 or 460? 27572d1234665383-09-heritage-big-radius-big-sucker-fuelpak-help-this-thread-is-useless-without-pichers Laughing
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batty1214
Valued Member
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batty1214


Posts : 448

Age : 39
Location : Utah

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 6th 2010, 4:44 pm

What do you want them of? I can try and get some of the underside, and of the dead motor under the hood....
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79_bronco
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Posts : 1364

Age : 37
Location : the worst place on earth.. NJ

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 6th 2010, 4:57 pm

lol i'm just breaking your balls.. but it'd be sweet to see what you're starting with
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TruckAddict
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TruckAddict


Posts : 159

Age : 58
Location : Tornado Alley

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 6th 2010, 9:30 pm

For real??? Someone had to ask 400 or 460??? Thats about like asking, do I want to sit at home and watch the news on Friday night, or do I want to go out with that super fine hot chick. Tough decision.
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TruckAddict
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Posts : 159

Age : 58
Location : Tornado Alley

400 or 460? Empty
PostSubject: Re: 400 or 460?   400 or 460? EmptyApril 6th 2010, 9:32 pm

OH dang, I didn't recognize the new Avatar. Of all people Batty is asking this?? Dude !!! I'd sure think you knew better.
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