1T crossmember same as 1/2T? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

duceducenine · 12-09-2007, 01:04 AM

i was wondering if a 73 chevy 1 ton crossmemeber is the same and the 1/2 ton this way i could just change out the a arms instead of the whole CM?

BLE 'BURBAN · 12-09-2007, 03:27 AM

The cross members are the same. You will however have to change out the upper ball joints which are riveted in from the factory. the replacement ones SHOULD come with new nuts&bolts to install them with.
The lower control arms will need to be swapped out as well since the lower ball joints on them are pressed in. The mounting surface of the ball joint where it presses into the control arm is smaller in diameter on the 1/2T than they are on the 3/4 & 1Ton also the stems are smaller in diameter as well.
Change out these parts and you SHOULD be able to bolt every thing right up.

duceducenine · 12-09-2007, 10:02 AM

thanks ble' burban

12-09-2007, 01:04 AM	#1
duceducenine Registered User Join Date: Nov 2006 Location: el sobrante CA 94803 Posts: 284	1T crossmember same as 1/2T? i was wondering if a 73 chevy 1 ton crossmemeber is the same and the 1/2 ton this way i could just change out the a arms instead of the whole CM?

12-09-2007, 03:27 AM	#2
BLE 'BURBAN In the Forgotten far North. Join Date: Jul 2007 Location: Anchorage, Alaska Posts: 2,627	Re: 1T crossmember same as 1/2T? The cross members are the same. You will however have to change out the upper ball joints which are riveted in from the factory. the replacement ones SHOULD come with new nuts&bolts to install them with. The lower control arms will need to be swapped out as well since the lower ball joints on them are pressed in. The mounting surface of the ball joint where it presses into the control arm is smaller in diameter on the 1/2T than they are on the 3/4 & 1Ton also the stems are smaller in diameter as well. Change out these parts and you SHOULD be able to bolt every thing right up. __________________ 1987 R3500 CREW CAB DUALLY (BIG RED)Acquired 06/12/2015 1990 chevy suburban V2500 5.7L My cluster Mods-Nov 2007 overhead console Stereo install Round 2 Aug 2009 Heated/turn signal mirror upgrade

12-09-2007, 10:02 AM	#3
duceducenine Registered User Join Date: Nov 2006 Location: el sobrante CA 94803 Posts: 284	Re: 1T crossmember same as 1/2T? thanks ble' burban



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