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**rechinca** · 11-25-2018, 12:22 AM

So I am not sure here, previous information I had showed that 350 had a H.D transmission. The attached screen shot shows that may not be true for 1972. This is from the 1972 spec book care of the GM Heritage Center truck books. I’ll post it and see what you think,

11-25-2018, 12:22 AM	#7
rechinca Senior Member Join Date: Jul 2018 Location: Vacaville, CA Posts: 528	Re: 3 on the tree question So I am not sure here, previous information I had showed that 350 had a H.D transmission. The attached screen shot shows that may not be true for 1972. This is from the 1972 spec book care of the GM Heritage Center truck books. I’ll post it and see what you think, Attached Images __________________ 1971 Custom/10 - 350/3 speed, Orange/White roof