Quote:
Originally Posted by mooseknuckles
so I'm thinkin bout gettin a Lq9 6.0L from the wreckers, can I bolt my old 700r4 tranny up to the Ls motor?..and will it work?...or do I need to get the 4L60/4L80e? I'm new to the Ls swap scene, so any help would be really appreciated.
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Hello,
I know it's not exactly what you're looking for, but I completed an LQ4 swap backed by a 700R4 transmission on my '72 C10 this July. To cut down on my troubles, the donor vehicle for my LQ4 was an '06 3500 series Chevy Express van (read
Pirate 4x4's LS Primer for more on donor engine specifics). By going this route the engine was: 1. relatively low miles at 60k, 2. set up for a cable throttle which substantially eliminated the TV cable problem, 3. came with a
flex plate I easily modified to work with the 700R4 converter.
The dipstick tube and oil filler had to be modified but those were easy fixes. I also put a different power steering pump reservoir on since the van I got my engine from used hydra boost and I wanted an integrated reservoir--not too big a deal.
For the TV setup I used a kit from
Bowtie Overdrives.
I don't know what shape your 700R4 is in so it's hard to say what might happen if you start romping on your truck after the swap (hard not to do). The Level 2 700R4 Bowtie Overdrives transmission I've got installed in my truck is doing quite well thus far.
The only other big item looming is the wiring harness modification. If you want a bunch of van LQ4 specific info to help you mod a harness to match the one I came up with which is working with no faults let me know and I'll send it along. There's no real cosmic differences between the van and truck harnesses that I noticed. Just a few things that are different and took a little additional research to pin down.
Best wishes,
Jake