A-body K-member/frame interchange - Shed some light

I have a 1965 Plymouth Valiant with a small block 408. It is an origional /6 car, with a /6 K-frame, and I am using schumacher adaptor motor mounts. Here's the question.....are ALL A-body V-8 k members the same? i.e. is the early a-body (narrow) V-8 k-member the same as the '67 & up (wide body) k-member. In a nut-shell,

Are all a-body V-8 K-frames the same?

Thanks,

-Dan  

Earlys early and late is late, no interchage there.  
age is no lock on brillance

So if that's the case, will a LA 360 based block (408) fit on an early A-body K-member, since they have different mounts? Early K was specific to 273/318, or was is it the engine itself that mounts differently?  

No what I meant was you can't directly bolt a 64' or early k member into a 67' up car.

The motors will drop in all yrs, with the early k member all you need are the correct brackets [ k's are the same no matter what motor with the early style, only bracket changed] unlike the 67' up you have to change k members or get shumacher mounts.  
age is no lock on brillance

So all early A-body k-members are the same then, no difference between /6 or v-8. Yes or no?  

No difference.  
age is no lock on brillance

All k-frames will be different from Slant Six to V-8 as it relates to engine mounting points.

All k-frames in A-Bodies from 1966 and prior are physically narrower than the later K-frames as it relates to attaching to the car body.

So, if you're converting to a V-8 from a Slant six, the K-frame should not need changed if using Schumacher mounts.  
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Sometimes you just gotta say...

up to 66' the k-frames in a-body are the same and only need the factory motor brackets in order to change from v8 to 6-vise versa.  
age is no lock on brillance

looking at buying 69 dart don't have the vin# it has no motor or trans was slant 6 car... body is in very great shape it has the trun signals on the top of the
fenders anybody have any clue as to the model of this car its from the us of a
i'm in canada
thank you for your time and help...