What HP manifolds fit a ‘77 440 Monaco?

[Ambivalence]

I’m swapping from a 360 to a built 440.

Exhaust is going to be fabricated, so I just need HP manifolds that will fit in the car.

Any leads? Or tips on what other year/body style manifolds will work?

Thanks!

 

[Lefty71]

Many if not most 70s C bodies used big exhaust manifolds that are kinda the equivalent or better than the late 60s hp manifolds. Any of them should be a very decent choice for duals on your build.

 

[marko]

what year is the 440 you are swapping in and does it have exhaust manifolds on ?

the 75 on 400 and 440 have a driver's side manifold that is essentially an updated hp.

so if you have a 75 on motor you would just need a passenger side hp, but they will be expensive since they
were and are used on b bodies
at the time i didnt know about the driver's side thing so i put a set of 68-69 hp manifolds on my 78 440.
the passenger side was a direct match up to the exhaust but driver's side needed finessing

( thanks to @Mr C for his knowledge about this)

 

[Ambivalence]

It’s a 1974 engine.

I have two sets of manifolds.

Either better?