Noobler from Ohio

[Dusty997]

Howdy Folks, been active on FABO quite a bit as i own a 71 Plymouth Duster, but I'm jumping over here to do some research on 440 Big Blocks which i think are a lot more popular over here than for the A bodies.

Toying with the idea of replacing my 360 small block with a Big Boi motor.

 

[Mopar Hunter]

 

[68sprtsat383]

Welcome

 

[69 Sleeper Bee]

North,

 

[RR Fan Dan]

 

[ckessel]

Welcome from the central coast of Cal.

 

[Cranky]

Welcome to the site!! That 440 sure makes things tight in that smaller engine bay....and the extra weight plays not so nice with the front to rear weight bias. Years ago a buddy pulled out a warmed up 340 from his Dart and shoehorned in a 440 that was also warmed up. Traction went away and wasn't as nice handling as it was with the skinny block plus it wasn't much faster afterwards either. If you still want a big block, I would go with a 400 and drop in a 440 crank. That ends up with 451 and is lighter than the 440 but still heavier than the skinny block and it gives you a bit more room in the engine bay vs the 440.

 

[Dusty997]

Welcome to the site!! That 440 sure makes things tight in that smaller engine bay....and the extra weight plays not so nice with the front to rear weight bias. Years ago a buddy pulled out a warmed up 340 from his Dart and shoehorned in a 440 that was also warmed up. Traction went away and wasn't as nice handling as it was with the skinny block plus it wasn't much faster afterwards either. If you still want a big block, I would go with a 400 and drop in a 440 crank. That ends up with 451 and is lighter than the 440 but still heavier than the skinny block and it gives you a bit more room in the engine bay vs the 440.

Thats good idea!, Ive also read that swapping to aluminum heads/intake basically puts the big block at approximately the same weight as an Iron headed/intake small block.

 

[Cranky]

Thats good idea!, Ive also read that swapping to aluminum heads/intake basically puts the big block at approximately the same weight as an Iron headed/intake small block.

Start a thread here about doing the swap.... General Mopar Tech Discussions
Lots of things to consider in doing a small block to big block swap. My very first engine swap was going from a small block to a big block....

 

[69Bee]

Welcome from AZ...

 

[Dave6T4]

Welcome to FBBO from Ontario. A friend of mine is building a 408" from a 360. Have you considered something like that? 440's are great (I have two), but are kinda heavy for a car that is already light in the a$$. But, at the end of the the day, it's your car, your decision. Thanks for your pictures.

 

[HD539]

Welcome from Washington State.

 

[Fran Blacker]

Welcome to FBBO from Connecticut . Yes a BB in a Duster .

 

[oldbee]

Welcome aboard from Ohio.

 

[YY1]

Nice Duster.

 

[polywideblock]

G'day from Australia