Look what i got for $850!!!! lq4 harness computer and 4l80E!!!

i was going to ask someone to elaborate on why they prefer cable.. also i was going to ask if throttle response can be changes by tuning.. guess you answered that.. can abs and traction control and any other things im not using be removed from the ECU by tuning and then just depin them out of the harness and run without? im putting it in a K10 and wont need alot of stuff..

I think my major issues will be a pedal and the T Case... i think i can just get a pedal assembly and some wire connectors and wire that up... i have the TAC. also i will need an ODBII plug to wire in... thanks guys!

ive been trying to figure out what t case will work with my setup.. but have been getting a lot of different answers... will and older case that was behind a th400 have that same 6 bolt pattern? and will the splines be the same? thanks

DBW is tunable. GM has it setup with some lag in the factory tunes, but the tuned trucks I've driven it's instant.

I don't believe ABS and traction control would be an issue, but just let your tuner know you won't be using it.


An older t-case should work. If it were me I'd go grab one out of a 90's 1-ton with a manual shifter. You could probably find an adapter kit for your original one from advance or novak if you wanted to keep it also.

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Originally Posted by 88RCLB

DBW is tunable. GM has it setup with some lag in the factory tunes, but the tuned trucks I've driven it's instant.

I don't believe ABS and traction control would be an issue, but just let your tuner know you won't be using it.


An older t-case should work. If it were me I'd go grab one out of a 90's 1-ton with a manual shifter. You could probably find an adapter kit for your original one from advance or novak if you wanted to keep it also.

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my original is crap... so im going to have to get one... will a 90s 1 ton have the passenger side drop? thanks

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Originally Posted by Zaridar

my original is crap... so im going to have to get one... will a 90s 1 ton have the passenger side drop? thanks

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Up to 91/92. Starting with IFS they'll be drivers drop. Sorry, didn't even think of that. I would watch out for the full-time cases if you end up with a 70's/80's one.

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Originally Posted by 88RCLB

Up to 91/92. Starting with IFS they'll be drivers drop. Sorry, didn't even think of that. I would watch out for the full-time cases if you end up with a 70's/80's one.

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do you know if any of these will be manual shift? I would prefer that to electronic case engagement... thanks for all the info!

does anyone know if i will still need an adapter or if an older th400 would have the same spline and 6 bolt mounting of a 4l80e?

anyone.... still trying to figure out the best T case for the 4l80e in a 1980 K10?? thanks

have you checked out 67-72chevytrucks.com
they might have some transfer case info on the there. there are a few 4wd guys that have done LS swaps

have not but will have to.... i have an 80 but im sure one of those will work... the only key is that they need to have the 4l80e not the stock or 60 trans
Thanks!