Matthew Warren

Need to replace the engine in a 78 F350 w/ 4sp trans. it currently has a
400, but wondering what other options I might have, with little to no
modification. If my option is the 400, then so be it, just need to know.
thanks


Matt

 

Advocate

"Matthew Warren" <msuuarren@bluefrog.com> wrote in message
news:djmopn0111m@enews2.newsguy.com...
> Need to replace the engine in a 78 F350 w/ 4sp trans. it currently has a
> 400, but wondering what other options I might have, with little to no
> modification. If my option is the 400, then so be it, just need to know.
> thanks
>
If your engine hasn't suffered a catastrophic failure, I think it's best to
overhaul the engine you now have. One has no idea how much abuse and damage
was done to a rebuild or junkyard motor.

I beileve that you can use either the 400 or 351M small block.

351CJ

"Matthew Warren" <msuuarren@bluefrog.com> wrote in message
news:djmopn0111m@enews2.newsguy.com...
> Need to replace the engine in a 78 F350 w/ 4sp trans. it currently has a
> 400, but wondering what other options I might have, with little to no
> modification. If my option is the 400, then so be it, just need to know.
> thanks
>
>
> Matt


The transmission / bell housing bolt pattern is the same as the 429/460.
Any 429/460 will drop right in. You may have some complications with
mounting the accessories on the front, but that is not to hard to deal with.

Ulysses

"Advocate" <Advo@hotmail.com> wrote in message
news:TjD7f.275695$084.176894@attbi_s22...
>
> "Matthew Warren" <msuuarren@bluefrog.com> wrote in message
> news:djmopn0111m@enews2.newsguy.com...
> > Need to replace the engine in a 78 F350 w/ 4sp trans. it currently has
a
> > 400, but wondering what other options I might have, with little to no
> > modification. If my option is the 400, then so be it, just need to
know.
> > thanks
> >
> If your engine hasn't suffered a catastrophic failure, I think it's best
to
> overhaul the engine you now have. One has no idea how much abuse and
damage
> was done to a rebuild or junkyard motor.
>
> I beileve that you can use either the 400 or 351M small block.
>
>
>

I have a '78 F350 Crew Cab with the 351 and I think it's a bit underpowered
and only gets about 8 mpg. What kind of gas mileage do you get with the
400? I'd guess it's about the same.

Agave

Matthew Warren wrote:
> Need to replace the engine in a 78 F350 w/ 4sp trans. it currently has a
> 400, but wondering what other options I might have, with little to no
> modification. If my option is the 400, then so be it, just need to know.
> thanks
>
>
> Matt
>
>
>
Have you looked into getting a replacement crate engine? Ford may have
an exact replacement. After-market places will build you one to spec,
and/or do a swap for a different size including any additional hardware
needed.

Matthew Warren

truck comes with need of rebuild... so I don't know yet. Are you running a
2 or 4 barrel?
"Ulysses" <therealulysses@yahoo.com> wrote in message
news:11m1v2ee8p03p40@corp.supernews.com...
>
> "Advocate" <Advo@hotmail.com> wrote in message
> news:TjD7f.275695$084.176894@attbi_s22...
>>
>> "Matthew Warren" <msuuarren@bluefrog.com> wrote in message
>> news:djmopn0111m@enews2.newsguy.com...
>> > Need to replace the engine in a 78 F350 w/ 4sp trans. it currently has
> a
>> > 400, but wondering what other options I might have, with little to no
>> > modification. If my option is the 400, then so be it, just need to
> know.
>> > thanks
>> >
>> If your engine hasn't suffered a catastrophic failure, I think it's best
> to
>> overhaul the engine you now have. One has no idea how much abuse and
> damage
>> was done to a rebuild or junkyard motor.
>>
>> I beileve that you can use either the 400 or 351M small block.
>>
>>
>>
>
> I have a '78 F350 Crew Cab with the 351 and I think it's a bit
> underpowered
> and only gets about 8 mpg. What kind of gas mileage do you get with the
> 400? I'd guess it's about the same.
>
>

Ulysses

"Matthew Warren" <msuuarren@bluefrog.com> wrote in message
news:djs2ip0ons@enews3.newsguy.com...
> truck comes with need of rebuild... so I don't know yet. Are you running
a
> 2 or 4 barrel?

Just a 2 barrel. It also has single rear wheels.

BTW that gas mileage was based upon California gas. When I filled up in
Arizona it got over 10 mpg and that was with a 1 ton camper, 4 people, and 3
large dogs.

It goes up steep grades no problem, just not very fast
;-)


> "Ulysses" <therealulysses@yahoo.com> wrote in message
> news:11m1v2ee8p03p40@corp.supernews.com...
> >
> > "Advocate" <Advo@hotmail.com> wrote in message
> > news:TjD7f.275695$084.176894@attbi_s22...
> >>
> >> "Matthew Warren" <msuuarren@bluefrog.com> wrote in message
> >> news:djmopn0111m@enews2.newsguy.com...
> >> > Need to replace the engine in a 78 F350 w/ 4sp trans. it currently
has
> > a
> >> > 400, but wondering what other options I might have, with little to no
> >> > modification. If my option is the 400, then so be it, just need to
> > know.
> >> > thanks
> >> >
> >> If your engine hasn't suffered a catastrophic failure, I think it's
best
> > to
> >> overhaul the engine you now have. One has no idea how much abuse and
> > damage
> >> was done to a rebuild or junkyard motor.
> >>
> >> I beileve that you can use either the 400 or 351M small block.
> >>
> >>
> >>
> >
> > I have a '78 F350 Crew Cab with the 351 and I think it's a bit
> > underpowered
> > and only gets about 8 mpg. What kind of gas mileage do you get with the
> > 400? I'd guess it's about the same.
> >
> >
>
>

bradtx

Matt, If time isn't an issue I'd check with a machine shop. Not only
can they take care of all the rebuilding, but also offer opinions
regarding cams and intakes that may may the truck more personally
suited to you.

If time is an issue, go to a re-manufacturer.

Get local opinions first...it's the cheapest part of the
rebuild/replacement.

bradtx