transmission crossmember - The 1947 - Present Chevrolet & GMC Truck Message Board Network

chevyjmm6796 · 05-18-2007, 06:17 PM

i need to know if all the auto trans crossmembers are the same?? i need one for my turbo 350 and i can get one off of a turbo 400. both are 72 c-10. thanks

**LockDoc** · 05-18-2007, 09:45 PM

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I think there is a difference in them. I have one of each out and I will take a picture of them in the morning...

LockDoc

chevyjmm6796 · 05-19-2007, 12:18 AM

thank ya there lockdoc it sure would help me out

JimKshortstep4x4 · 05-19-2007, 05:42 AM

The cross members are the same except the TH 400 cross member has a bracket attached to it to support the e-brake cable. Attached is a pic of the TH 400 cross member with a cable mocked up on it.

Jim

**LockDoc** · 05-19-2007, 08:52 AM

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Here's a comparison between a 350 & 400 cross member. As you can see from the pics there are some differences in the way they are made but the overall dimensions appear to be the same. The bottom part is different where it bolts to the frame and the angled support that goes to the top of the frame is different also. Second picture, the TH400 is on the bottom. It has the emergency brake cable loop on it, the TH350 doesn't.

LockDoc

05-18-2007, 06:17 PM	#1
chevyjmm6796 Registered User Join Date: Nov 2006 Location: martinsburg,west viriginia Posts: 14	transmission crossmember i need to know if all the auto trans crossmembers are the same?? i need one for my turbo 350 and i can get one off of a turbo 400. both are 72 c-10. thanks

05-18-2007, 09:45 PM	#2
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,430	Re: transmission crossmember - I think there is a difference in them. I have one of each out and I will take a picture of them in the morning... LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

05-19-2007, 12:18 AM	#3
chevyjmm6796 Registered User Join Date: Nov 2006 Location: martinsburg,west viriginia Posts: 14	Re: transmission crossmember thank ya there lockdoc it sure would help me out

05-19-2007, 05:42 AM	#4
JimKshortstep4x4 Senior Member Join Date: Jul 2001 Location: Muskegon,MI,USA Posts: 6,026	Re: transmission crossmember The cross members are the same except the TH 400 cross member has a bracket attached to it to support the e-brake cable. Attached is a pic of the TH 400 cross member with a cable mocked up on it. Jim Attached Images __________________ 1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC

05-19-2007, 08:52 AM	#5
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,430	Re: transmission crossmember - Here's a comparison between a 350 & 400 cross member. As you can see from the pics there are some differences in the way they are made but the overall dimensions appear to be the same. The bottom part is different where it bolts to the frame and the angled support that goes to the top of the frame is different also. Second picture, the TH400 is on the bottom. It has the emergency brake cable loop on it, the TH350 doesn't. LockDoc Attached Images __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - Last edited by LockDoc; 01-06-2020 at 11:29 AM.



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