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10-13-2020, 10:01 AM
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#1 |
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Active Member
 Join Date: Nov 2002
Location: Clarks Grove MN
Posts: 487
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MN 700R4 cross member
I am installing a 700r4 behind a 350 in my 71 Longhorn. What cross member do I use? The holes in the cross member in the truck do not line up. It has the stands on the bottom of the cross member. Do I just drill new holes?
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Don Brace 55 Nomad 56 Nomad 58 Impalla Coupe 58 Bel-Aire 4D HT 61 Impala CVRT 409 4 SP 2- 71 Longhorns Always looking for old toy trains, Juke boxes Pin ball and game machines. Last edited by Don Brace; 10-14-2020 at 08:18 AM. |
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10-14-2020, 10:31 PM
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#2 |
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Senior Member
Join Date: Mar 2005
Location: Jurupa Valley, Ca
Posts: 1,209
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Re: nn 70r4 cross member
That is probably the easiest way to do it. surprised it doesn't line up with any of the existing holes. When I went from a TH350 to a 2004R even though they are the same length, the mount is in a different location, so I just moved the crossmember to the other set of holes,
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Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC |
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10-14-2020, 10:46 PM
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#3 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,512
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Re: nn 70r4 cross member
You know Terry, I think he’s describing his factory bell housing mount crossmember. He mentions the stands on the bottom of the crossmember.
Maybe he doesn’t know that that crossmember needs to be removed to install an automatic trans. And a crossmember at the tailshaft installed. That’s kinda how I read it. |
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10-15-2020, 08:02 AM
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#4 |
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Active Member
Join Date: Nov 2002
Location: Clarks Grove MN
Posts: 487
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Re: nn 70r4 cross member
Thanks for the replies guys. I do have a cross member under the 700r4. Only two holes line up. One on either side where the cross member meets the frame on the top of the frame.
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Don Brace 55 Nomad 56 Nomad 58 Impalla Coupe 58 Bel-Aire 4D HT 61 Impala CVRT 409 4 SP 2- 71 Longhorns Always looking for old toy trains, Juke boxes Pin ball and game machines. |
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10-15-2020, 09:00 AM
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#5 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,512
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Re: nn 70r4 cross member
That’s normal.
Whip out the drill and make some holes. |
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10-15-2020, 09:13 AM
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#6 |
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Active Member
Join Date: Nov 2002
Location: Clarks Grove MN
Posts: 487
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Re: nn 70r4 cross member
That is my plan
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Don Brace 55 Nomad 56 Nomad 58 Impalla Coupe 58 Bel-Aire 4D HT 61 Impala CVRT 409 4 SP 2- 71 Longhorns Always looking for old toy trains, Juke boxes Pin ball and game machines. |
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