700R4 Refresh - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**truckster** · 02-06-2013, 10:06 AM

So the 72 Blazer is going to be getting a TBI/700R4 upgrade. The donor is coming out of a running '89 truck. I'd like it to last a long time, though, since it's a lot of work to pull a transmission on a 4X4.

Are there any pieces I should look at replacing while it's out?

As for the TV cable, I've heard it needs to be adjusted exactly. Since it's going to be on the same engine/trans from the donor, can I just mark it before I remove it and reinstall it in the same place?

Thanks.

02-06-2013, 10:06 AM	#1
truckster Senior Member Join Date: Jan 2001 Location: Orem, Utah Posts: 7,976	700R4 Refresh So the 72 Blazer is going to be getting a TBI/700R4 upgrade. The donor is coming out of a running '89 truck. I'd like it to last a long time, though, since it's a lot of work to pull a transmission on a 4X4. Are there any pieces I should look at replacing while it's out? As for the TV cable, I've heard it needs to be adjusted exactly. Since it's going to be on the same engine/trans from the donor, can I just mark it before I remove it and reinstall it in the same place? Thanks.

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