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Gmt400 dbw

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Old 12-25-2021, 06:01 AM
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Default Gmt400 dbw

Hi All,
has anyone ever hooked up a DBW setup in a GMT400?
I have a 98 k1500 (4x4) Suburban with the 5.7 L31, 80e, Mercruiser intake, Whipple SC and 0411.
It all works well….but I’d really like to change it to DBW for ease of TB mounting location.
has anyone done this before?
if so…any tips?

Thanks very much

Old 12-25-2021, 10:56 AM
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I think it was my '86 Caprice that I needed a longer throttle cable, and one from a similar era Corvette was the longest one available. Maybe a later DBC Corvette cable would work for you.
Old 12-25-2021, 11:39 AM
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You'd have to completely rewire the whole truck. Swap to a P01 or P59 controller, buy the correct TAC module and pedal assembly to work with the operating system you choose in the computer and then tune the whole thing from scratch. Very few P01 computers used drive by wire, mainly corvettes and later 2001-2002 GMC trucks/suburbans and silverado's with that advanced traction control. I wouldn't use a corvette operating system in a truck application either. So a P59 swap would be better.

But all in all I wouldn't swap to DBW but that is my opinion. Too much work for all that.
Old 12-25-2021, 05:42 PM
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OP says he has a P01 (0411)

Needs TAC, pedal, harnesses

Nothing wrong with the Corvette OS, but even then you can use late model truck OS's

The P59 allows for flex and 3 bar, so room to grow if you'd like it
Old 12-25-2021, 06:27 PM
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Originally Posted by arthursc2
OP says he has a P01 (0411)

Needs TAC, pedal, harnesses

Nothing wrong with the Corvette OS, but even then you can use late model truck OS's

The P59 allows for flex and 3 bar, so room to grow if you'd like it
thanks..yes. Already running 0411. I have the TB, harness and pedal. I really would like to get rid of the cables and run DBW. Issue is…my truck is RHD. Whipple setup is made for LHD…hence the pipework I had to manufacture in the pic I attached. Cables come through the firewall on the right side and cruise module is mounted on right inner fender.
it all works fine…but I want to alter the location of the TB when I install water to air intercooler on top of a new intake manifold. Wiring would be a LOT neater and easier to change position than cables.
I appreciate everyone’s thoughts/comments…thanks
Old 12-25-2021, 06:53 PM
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Nobody noticed that your master cylinder is on the wrong side.
Old 12-25-2021, 07:36 PM
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Originally Posted by MikeGyver
Nobody noticed that your master cylinder is on the wrong side.
haha….along with ‘everything’ else.
Old 12-25-2021, 11:06 PM
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I was about to say I bet he is Aussie cx
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Old 12-26-2021, 01:53 AM
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Originally Posted by arthursc2
OP says he has a P01 (0411)

Needs TAC, pedal, harnesses

Nothing wrong with the Corvette OS, but even then you can use late model truck OS's

The P59 allows for flex and 3 bar, so room to grow if you'd like it
Just realized I have a brand new P59 here in the box...so would probably be more worth my while to just swap that in...in place of the 0411.
Old 12-29-2021, 07:40 PM
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Stripped down all the parts and powder coated them.
getting my head around the tuning again after about 10years out of it.








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