Exhaust manifolds

[bc65riv]

Will 1964 425 exhaust manifolds fit on a 1965 401?

Any problems?

[RivNut]

The attached link has a complete listing of nailhead exhaust manifold casting numbers along with the years for which they're applicable.  You should be able to figure out what you have and see if it's applicable.

 

https://www.teambuick.com/reference/casting_numbers_nailhead.php

 

Ed

[Alpha*Male]

You looking for 65 401 manifolds? 

[bc65riv]

Yes

[telriv]

YES, the '64/425's will fit the '65/401

[RivNut]

Driver's side manifolds all appear to be the same.  There are two styles of manifolds for the passenger's side. One style has an intergal heat riser, the other style has a bolt on heat riser.  But they'll both fit.

[bc65riv]

Thanx

[telriv]

'62 & earlier had the integral heat riser to my recollection.

 

 

Tom T.