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K member interchage
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Author:  RDJ [ Tue Jun 17, 2008 10:57 am ]
Post subject:  K member interchage

In an A body, are the 73-up K-members between small block V8 and Slant Six the same? And will either one bolt into a 67 Barracuda?

Author:  SlantSixDan [ Tue Jun 17, 2008 11:08 am ]
Post subject: 

Nope, '67 and later K-frames (including '73-'76 items) are different for 6-cylinder vs. V8 engines. The '73+ K-frames can be installed in '67-'72 A-bodies with some adaptive work.

Author:  Doc [ Tue Jun 17, 2008 11:49 am ]
Post subject: 

I have had race cars where we used the 73 and up "fork type" V-8 K-member and then had special (custom made) engine mounts that allowed us to swap from the V-8 to the SL6 with-out a K-frame change.

We pull some pretty fun jokes on racers at the local track, by "showing-off" the car with a SL6 on one week and then running 12's the next week... with a V-8 under the hood.

These days, I just run 12's with the SL6 and save myself all that engine swapping time. :shock: :lol:
DD

Image

Author:  DusterIdiot [ Tue Jun 17, 2008 6:20 pm ]
Post subject:  Yep...

Quote:
The '73+ K-frames can be installed in '67-'72 A-bodies with some adaptive work.
They bolt right in, but the suspension is a little different in certain years... for instance the 1967 idler arm is a different beast than the 1968+ version... (but the newer version i think would be a much better/safer item to have)


-D.Idiot

Author:  Bren67Cuda904 [ Tue Jun 17, 2008 8:18 pm ]
Post subject: 

I have a '74 SL6 K-member in my '67. I kept my steering box and swapped out the '74 idler for a '68. Everything else was the same. (except for the motor mounts ofcourse)

Author:  SlantSixDan [ Tue Jun 17, 2008 8:27 pm ]
Post subject: 

Guh, sorry, wasn't clear what I meant by "adaptive". I was thinking engine mounts, i.e. using the complete '73+ mount & bracket. Hadn't thought about that '67 one-year-only idler/pitman!

Author:  RDJ [ Tue Jun 17, 2008 8:31 pm ]
Post subject: 

Thanks for the info. Hey Doc, I seem to remember recently a green and yellow toad zooming by me at some races :shock:

Author:  Doc [ Wed Jun 18, 2008 3:27 pm ]
Post subject: 

Quote:
Thanks for the info. Hey Doc, I seem to remember recently a green and yellow toad zooming by me at some races :shock:
Yes, I have a pretty fast "frog" these days....
Are you going to make it to the Samoa race in July?

So, why the question on K-frame interchange? Are you having second thoughts about sticking a 360 into that fastback fish you "hooked" a while back??
DD

Author:  RDJ [ Thu Jun 19, 2008 8:00 am ]
Post subject: 

I was up grabbing the disc brakes off a slant 73 Swinger (for my 67 cuda) last weekend at some guys place, and he thought I wanted the K member also (which I didn't). He said that the slant and V8 k-members were the same for 73 up, which I doubted.

Now that I have my brakes, and I am looking to buy some other suspension components, I come to find that 1967 is kind of a weird year for idler arms, and the sway bar fits nicer on a 73-up, so I thought that maybe I would grab the k-member after all, if they are the same. But it looks like it won't be the right one.

He says on another property he owns, he has tons of A-bodies (like 15 of them). Hopefully I can get up there this weekend to see what he has.

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