what is the difference 65 vs 66 torsion bar crossmember

Posted By: Andrewh

what is the difference 65 vs 66 torsion bar crossmember - 10/08/14 10:44 PM

I see they are remaking 66 and up crossmembers for the torsion bars.
instead of using those patches.

what is the difference between that and the early b body one?
just wondering if I could use the newer style on a 65?

Posted By: moparmarks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 12:40 AM

61-66 should be the same. 67-76 is 2nd gen.

Posted By: moparmarks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 03:47 AM

Surly isn't the first time AMD mislabeled their product.
Call them and ask if it fits a 1st gen A-body.
And why just 70 and not 72 or 76?

Posted By: 67SATisfaction

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 03:50 AM

Not an expert here, but I would bet that the changeover would be 61-65 and then 66-Later.

What I mean is; 66 and 67's are identical.

- Art

Posted By: nomore65BelvJim

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 04:03 AM

Quote:

Surly isn't the first time AMD mislabeled their product.
Call them and ask if it fits a 1st gen A-body.
And why just 70 and not 72 or 76?

I think he's asking about B bodies Mark.

Posted By: moparmarks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 04:07 AM

Dooh. Never mind.

Posted By: moparmarks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 04:11 AM

My mind has been in the A-body mode this week. Sorry.

Posted By: pushbutton

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 02:41 PM

Quote:

I see they are remaking 66 and up crossmembers for the torsion bars.
instead of using those patches.

what is the difference between that and the early b body one?
just wondering if I could use the newer style on a 65?

66 up sets engine back further.

Posted By: therocks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 03:38 PM

I agree 66 up the trans etc sit back farther.Thats why headers etc are mostly 66 up.One reason guys change the K that and it moves weight back some.Rocky

Posted By: Andrewh

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 05:38 PM

so would a 66 and up work in a 65, just moved forward a couple of inches?
or is something else different?

Posted By: John_Kunkel

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 06:50 PM

The bolt hole pattern on the early removable crossmember is narrower than the '66 and later. Outer bolt holes are about 15" on the early and about 17" on the later.

The AMD unit would probably work on pre-'66 by using the matching removable crossmember.

Posted By: skicker

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 07:17 PM

Quote:

so would a 66 and up work in a 65, just moved forward a couple of inches?
or is something else different?

I'm not familiar enough with what the 66 up looks like in comparison to the 65. I would think location would ultimately be the same since it is dictated by the torsion bar length. I could see where if it did work you would have to do transmission mount modifications (using a 66 up mount)or at the least drill the new one to allow the 65 trany cross member to fit.

Almost sounds to me like its easier to repair the 65 one or get another 65.

Posted By: pushbutton

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 07:30 PM

Quote:

The bolt hole pattern on the early removable crossmember is narrower than the '66 and later. Outer bolt holes are about 15" on the early and about 17" on the later.

Sorry I was thinking K-Frame.

Posted By: Andrewh

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 07:42 PM

guess the auto rust tech caps are more than likely in my future than trying to make something work.
I see that 2 of them are about the same price.

Posted By: moparmarks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 09:09 PM

Here is a 62-5 cross member, Notice how long the T-bar sleeves are.

Attached picture 8295627-DCP_0065.JPG

Posted By: moparmarks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 09:18 PM

Here is the 66-70. If you use this on a 62-5 I don't think you'll get the T-bars in far enough.

Attached picture 8295640-20141009_131504.jpg

Posted By: Andrewh

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/09/14 10:02 PM

that makes me wonder what the change was.
if anything I would have expected that to be reversed.

Posted By: skicker

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/10/14 01:39 AM

Quote:

that makes me wonder what the change was.
if anything I would have expected that to be reversed.

Actually wouldn't it make more sense that the sleeves are farther back?
The position of the K be it 65 or 66 is the same. The motor mounts on the 65 are further forward so it would make more sense that the trans cross member would also be further forward. There is no real reasoning as to figure out why Ma Mopar did what they did, but when one part is changed it sure affects a lot of others.
Thx. Mark for the pictures. It sure makes it a little easier to pinpoint the differences.

Posted By: moparmarks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/10/14 02:20 AM

No problem once I got over my brain fart.
I'm thinking that the cross member sits a little farther forward on the early B's

Posted By: Andrewh

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/10/14 02:38 AM

but the engine sits farther forward too.
so my thought was if the torsion bar crossmember stayed in the same "spot" the sleeves should be longer to take up the movement.

eh.
thanks either way. probably won't matter to me for a while, but at least I know they are different and am not guessing.

Posted By: skicker

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/10/14 03:26 AM

K frame is located in the same place. Motor is forward ie trany mount is forward ie trany mount cross member is forward ie tosion bar sleeves are further back. BTW all this crap only works if the torsion bars are the same length and I can't remember...

I have to volley back to you Mark, you'll know this one. 65-66 torsion bars the same length?

Posted By: moparmarks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/10/14 04:05 AM

Quote:

K frame is located in the same place. Motor is forward ie trany mount is forward ie trany mount cross member is forward ie tosion bar sleeves are further back. BTW all this crap only works if the torsion bars are the same length and I can't remember...
I have to volley back to you Mark, you'll know this one. 65-66 torsion bars the same length?

Yep 62-72 B takes the same length bars.

Posted By: skicker

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/10/14 04:12 AM

I guess that's all ironed out.

So whats next?

Posted By: Andrewh

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/10/14 02:25 PM

lol, like I said above, it means I can't use the repro one's for 66 and up. so caps it is.

Posted By: moparmarks

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/10/14 02:40 PM

I have a 62-5 cross member but its going to a while before I drill out that car. How soon did you need it?

Posted By: Andrewh

Re: what is the difference 65 vs 66 torsion bar crossmember - 10/10/14 05:39 PM

I don't plan on doing anything till mid to late next year if at all.
I have a longer list of bolt on things I have to fix first.
but thanks.

what is the difference 65 vs 66 torsion bar crossmember