1975 - 440- out of a Titon motor home

[lorny]

my book says 250 hp in 1975
is this a motor worth working with
the old 440's wr about 375hp

 

[440 PHIXX]

my book says 250 hp in 1975
is this a motor worth working with
the old 440's wr about 375hp

It might be a forged crank. The damper will tell you. And the pad by the distributor. Thick damper=cast crank.

 

[MoparLeo]

It would make a good core to build. It is the block that is hard to source today. The rest are readily available.

 

[lorny]

It might be a forged crank. The damper will tell you. And the pad by the distributor. Thick damper=cast crank.

ok - how thick is thick and what will the pad say
worst case what would stock hp be ... best case stock

 

[Potts]

Also,
Didn't motor home BBs have the "smog heads" too?
I heard they have larger cooling ports.
Can anyone weigh in on this?

 

[Roger63]

You will find your info here
http://www.440source.com/dampers.htm

 

[440 PHIXX]

ok - how thick is thick and what will the pad say
worst case what would stock hp be ... best case stock

440E and it’s a cast crank. 2” on the damper.

a pad from a cast crank 440...

 

[Slap Stick]

my book says 250 hp in 1975
is this a motor worth working with
the old 440's wr about 375hp

In 75 they rated engines in net HP as opposed to gross HP 71-back.

 

[pnora]

my book says 250 hp in 1975
is this a motor worth working with
the old 440's wr about 375hp

Don't think you are going to have a powerhouse here without extensive work. At best you might have a good block, crank' rods and all the tin and hardware. To make power you will need pistons, cam, heads, intake along with all the other rebuild items..

 

[lorny]

In 75 they rated engines in net HP as opposed to gross HP 71-back.

ok so pre 71 would be gross 375hp after 1971 net 250 hp in 1975 would = about what gross hp

 

[pnora]

Pistons are down in the hole, about 8.0 compression, smog heads and cam with retarded timing. if you are lucky. More like 225 hp.

 

[lorny]

Don't think you are going to have a powerhouse here without extensive work. At best you might have a good block, crank' rods and all the tin and hardware. To make power you will need pistons, cam, heads, intake along with all the other rebuild items..

ok thx ; thats the answer i was looking for,it would be allot of work to gain a little more power on a high school budget

 

[JDmac72chrgr]

Motorhome engines classified as "truck", no smog til 79. Dad's 76 Winne 440 4bbl TQ had no smog crap like cars here in JEERZZEEE (ie: East California)

 

[lorny]

Motorhome engines classified as "truck", no smog til 79. Dad's 76 Winne 440 4bbl TQ had no smog crap like cars here in JEERZZEEE (ie: East California)

is there any real hP

 

[JDmac72chrgr]

is there any real hP

Not really, but TORQUE, yes. Dad's 92 Allegro 454 32' has 265hp, but over 450 # Torque, gets that 12500lb (empty) thing rolling.

 

[pnora]

is there any real hP

225

 

[WileE]

What's the big deal ? What it's "advertised" HP, etc. is meaningless ! You're gonna do a 30 over, so new pistons are in the mix. Heads ? Take you pick of aftermarket aluminum heads. Of course, a suitable cam based on your combo. And, the usual intake & exhaust improvements. You don't want that 440 block ? I'll take it off your hands now.

 

[Superbeemike]

When I was in high school, my buddies and I pulled a motor home 440 out of the bone yard for a 71’ roadrunner. We added a cam, headers, intake, and carb. That dog would hunt and kill back tires all day long. Cheap and plenty fast. Doesn’t have to be great, just has to be.

 

[MoparLeo]

I get the impression that this is your first engine ? Remember that this engine is 45 years old .
Does it run ? Mileage ? condition ? smoke ? leak ?
Its value lies in your interpretation of what you expect.
Any 440 guy here would love to have it. Good blocks are a rarity today.
What is it you are really looking for performance wise and what are you putting it in ?
How much money do you have to spend ?
Any engine experience ?

 

[1967coronet]

Mid 70s motor home 440s .
Most are low mileage and have had regular maintenance.
Many folks need to have large compression numbers , quench, after market heads ect.
I'm using a stock bottom 76 440 myself.
Compression is so bad I can buy gas anyplace I stop.
I did a cam and lifter swap, eddy intake , headers , 800 T quad carb and a good curve on the distributor.
For a weekend driver it runs really good.
Plenty of power for a cruiser.