Is a 68-69 SB and BB B body K member different?
#2709187
10/22/19 01:13 PM
10/22/19 01:13 PM
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Joined: Jul 2007
Posts: 11,836 Florida
mopar346
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OP
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Florida
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I am trying to confirm but I never think about it when I'm at my shop, I remember being told there is no difference between a small block and big block K member in 68_69 B bodies. IN fact 70 may be the same and the difference in a 71 is the tilt of the steering gear box or maybe that change was in 70. So how much of this is true?
Thanks in advance, Kevin
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Re: Is a 68-69 SB and BB B body K member different?
[Re: mopar346]
#2709206
10/22/19 02:09 PM
10/22/19 02:09 PM
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Joined: Aug 2007
Posts: 6,095 Valencia, España
NachoRT74
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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The only BB and SB K member difference was on 73 and lates B body
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Is a 68-69 SB and BB B body K member different?
[Re: mopar346]
#2709343
10/22/19 10:08 PM
10/22/19 10:08 PM
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Joined: Jan 2003
Posts: 8,480 Candler,NC / Myrtle Beach, SC
JDMopar
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Joined: Jan 2003
Posts: 8,480
Candler,NC / Myrtle Beach, SC
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That chart listed in the link isn't entirely correct. V8 K frames are not the same for 66 - 72 B and E bodies. Yes, the engine mounts are the same, but the angle that the steering box sits is different. I used to think that was BS until I set up a jig, and mounted 3 different k frames from 66 - 70 B bodies, and measured the angle of the steering box mount. They were all the same. I then mounted 3 different E body k frames to the same jig that had not been moved, and all 3 steering box angles were the same. BUT....there was a 3 degree difference in the angle between the B and E k frames where the steering box mounts. Would you notice a difference if you mounted an E body k frame in a B body, or vice versa? Probably not, but back in the day when they were just cars....you may have worn the steering coupler out after a lot of miles had the same swap been done. There's some more useless information to cloud your brain....lol.
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Re: Is a 68-69 SB and BB B body K member different?
[Re: JDMopar]
#2709589
10/23/19 05:12 PM
10/23/19 05:12 PM
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Joined: Aug 2007
Posts: 6,095 Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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Mmmm... dunno if 3 degrees angle is really a difference to be considered as a diff part. Why I say this? My 74 Charger ( yes I know, a diff monster ) got aligment shims between steering box and K member. So those 3 degrees could be considered as a tolerance when part is being manufactured, able to be corrected when assembling.
We know our cars are not a piece of art on precision at factory. Just looking at the low quality of welding seams of K members you can tell it.
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Is a 68-69 SB and BB B body K member different?
[Re: A727Tflite]
#2709649
10/23/19 08:40 PM
10/23/19 08:40 PM
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Joined: Jul 2007
Posts: 11,836 Florida
mopar346
OP
Let me tell ya about fat chicks!
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OP
Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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I believe it is vertical and I cant answer to the difference between B and E
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Re: Is a 68-69 SB and BB B body K member different?
[Re: A727Tflite]
#2709650
10/23/19 08:41 PM
10/23/19 08:41 PM
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Joined: Jun 2003
Posts: 21,397 It's a dry heat
gtx6970
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Too Many Posts
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Posts: 21,397
It's a dry heat
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So how do you tell the difference between the B and E body k-frames?
I understand what you did I - but how do you verify when looking at the part?
And is that angle difference towards the side of the car or vertically to the floor? 68-69 B body K frame compared to E body is the sway bar mounting is very different
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Re: Is a 68-69 SB and BB B body K member different?
[Re: gtx6970]
#2709653
10/23/19 08:49 PM
10/23/19 08:49 PM
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Joined: Jul 2007
Posts: 11,836 Florida
mopar346
OP
Let me tell ya about fat chicks!
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OP
Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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True but is there a way to tell a 70-71 B from an E?
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Re: Is a 68-69 SB and BB B body K member different?
[Re: mopar346]
#2709829
10/24/19 04:54 PM
10/24/19 04:54 PM
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Joined: Jun 2003
Posts: 21,397 It's a dry heat
gtx6970
Too Many Posts
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Too Many Posts
Joined: Jun 2003
Posts: 21,397
It's a dry heat
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True but is there a way to tell a 70-71 B from an E? No idea, never needed a K frame so never looked that hard at one to be honest
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