Couple T221 questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**JPBrecheisen** · 03-31-2023, 10:56 PM

Short 3/4

Something to consider, the front drive shaft yokes are all 1310 series as well.

All my 221s are 1310 all around except the 3/4 has a 1350 on the rear output like you mentioned.

I agree that it doesn't seem to make sense but also sometimes it's good to have a "fuse" in the drive train.

I use my trucks but am fairly conscious about it. I'd rather the u-joint give up before some of the other things considering how hard parts are getting to find and at a reasonable price for these 221s.

Jonathon

03-31-2023, 10:56 PM	#17
JPBrecheisen Senior Member Join Date: Jul 2012 Location: Harrisville, New York Posts: 458	Re: Couple T221 questions Short 3/4 Something to consider, the front drive shaft yokes are all 1310 series as well. All my 221s are 1310 all around except the 3/4 has a 1350 on the rear output like you mentioned. I agree that it doesn't seem to make sense but also sometimes it's good to have a "fuse" in the drive train. I use my trucks but am fairly conscious about it. I'd rather the u-joint give up before some of the other things considering how hard parts are getting to find and at a reasonable price for these 221s. Jonathon __________________ 1960 GMC K1500 LB Fleet Side 1962 GMC K1000 LB Step Side 1988 Chevrolet C2500



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