I bought this k frame and was told it was off a 69 or 70 b body but it has some brackets behind the motor mounts that are not on any other k frame of that era I have seen, just looking for any insight anyone has. 2nd and 3rd photos show the brackets I'm talking about.
K Frame ID question
- Thread starter andrewwoz
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autoxcuda
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Flip is upside down. But it looks like a 74 73? E-body K-member. Those tabs are a crash safety deal. I think to catch the motor from pushing back after motor mounts are ripped about in collision.
It will work in a 66-70 B-body. The steering gear angle is slightly different than the 71-72 B and all E-body.
It will work in a 66-70 B-body. The steering gear angle is slightly different than the 71-72 B and all E-body.
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Lefty71
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Wouldnt it have spool mounts by then??
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The E body models did not get spool engine mounts.
Lefty71
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Thx.... sometimes i wish i could have been more of a junkyard dog, so to speak.
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That is absolutely a 1970 and later unit. I didn't know about the unique E body brackets. Thanks, Steve.
autoxcuda
Well-Known Member
Those are safety crash brackets for 74 and 73?.
K member ID question
74 E-bodies have some other weird stuff to the chassis. Like plates over the 1/4 window inside structure.
And in 73, the B-bodies and A-bodies went to Spool motor mounts. And B-bodies changed to Iso-K-members with rubber between the K-member and frame. Think about it, if a car is in a heavy front collision that pulls the rubber spool mount apart the cradle it sits in prohibits the motor from moving back into the passenger compartment.
So that leaves it being a late E-body K-member
Now, why didn't they convert the E-body K-member to spool mount? Because poor sales didn't justify the major change. They killed the 1974 E-bodies mid year.
K member ID question
74 E-bodies have some other weird stuff to the chassis. Like plates over the 1/4 window inside structure.
And in 73, the B-bodies and A-bodies went to Spool motor mounts. And B-bodies changed to Iso-K-members with rubber between the K-member and frame. Think about it, if a car is in a heavy front collision that pulls the rubber spool mount apart the cradle it sits in prohibits the motor from moving back into the passenger compartment.
So that leaves it being a late E-body K-member
Now, why didn't they convert the E-body K-member to spool mount? Because poor sales didn't justify the major change. They killed the 1974 E-bodies mid year.
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