67-72 Crossmember swap/Big Block frame mounts - The 1947 - Present Chevrolet & GMC Truck Message Board Network

SoCalBigBlocks · 11-17-2006, 10:44 PM

Hey People,
I am swapping an '88 Sub 3/4 ton front crossmember into a '69 factory Big Block truck. I am concerned about the shape of the late crossmember being different where the engine frame mounts bolts to it. I am either going to use the '72 only frame mount, or a '73 up frame mount. For those of you who have done it, which engine frame mounts are best to use, and does the Engine/Trans. mount correlation stay the same?

Thanks,

Tim

11-17-2006, 10:44 PM	#1
SoCalBigBlocks Registered User Join Date: Nov 2006 Location: SoCal Posts: 47	67-72 Crossmember swap/Big Block frame mounts Hey People, I am swapping an '88 Sub 3/4 ton front crossmember into a '69 factory Big Block truck. I am concerned about the shape of the late crossmember being different where the engine frame mounts bolts to it. I am either going to use the '72 only frame mount, or a '73 up frame mount. For those of you who have done it, which engine frame mounts are best to use, and does the Engine/Trans. mount correlation stay the same? Thanks, Tim

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