Cheap diy DBW ideas for ITBs

[Muncie]

Off a diesel? 

[d.p.n.s]

1 hour ago, Muncie said:

Off a diesel? 

Seems thats it .2.7 v6 TD

[BlownCorona]

that $1200 one actually looks to be just a bosch throttle with a (albiet very nice) lever adapter fitted. 

[d.p.n.s]

55 minutes ago, BlownCorona said:

that $1200 actually looks to be just a bosch throttle with a (albiet very nice) level adapter fitted. 

Also my thought ...its just a nice housing and arm

[BlownCorona]

surprisingly, it doesnt apear to have a D shape machined into the shaft, instead it appears they have only fitted a shim in place of the butterfly and rely on clamping force alone. Ofcourse there could be a spline hidden amongst those pixels. perhaps @nobody can shed some light. 

[nobody]

Correct its just a billet body adapter over a bosch DBW section, 
@BlownCorona no shim just clamps on the shaft, but there is no way its going to come loose, or slip, the force needed to move throttles is stuff all, if it ever need to make enough force to try slip it you have bigger issues

[d.p.n.s]

1 hour ago, BlownCorona said:

surprisingly, it doesnt apear to have a D shape machined into the shaft, instead it appears they have only fitted a shim in place of the butterfly and rely on clamping force alone. Ofcourse there could be a spline hidden amongst those pixels. perhaps @nobody can shed some light. 

Yeah pretty much what I qas thinking of doing (a Little D shape) and then clamping down

[d.p.n.s]

45 minutes ago, nobody said:

Correct its just a billet body adapter over a bosch DBW section, 
@BlownCorona no shim just clamps on the shaft, but there is no way its going to come loose, or slip, the force needed to move throttles is stuff all, if it ever need to make enough force to try slip it you have bigger issues

Yeah not much force at all and like you say if you make it slip on the shaft you have bigger issues or even a burn out motor from to much force

[BlownCorona]

thats fair, a D will limit adjustability to. 

[d.p.n.s]

32 minutes ago, BlownCorona said:

thats fair, a D will limit adjustability to. 

Oh that's very true... I didn't think  about that.

[Rookie]

17 hours ago, d.p.n.s said:

Thats very interesting. 

Will look more into that. Looks like a nice compact unit 

If you do end up pulling the trigger I would be interested to hear how it goes, like I said, I found them but never ended up buying or using one.

[V8Pete]

On 13/11/2024 at 06:31, d.p.n.s said:

Thats very interesting. 

Will look more into that. Looks like a nice compact unit 

Should be same as Peugeot 407 and Ford Territory (lol) which might be easier to come by locally.

Also, have you seen the likes of these for the other end?

https://www.aliexpress.com/item/1005004062594603.html

You might be able to keep your existing pedal and remote mount a cable actuated e-throttle thing.

[d.p.n.s]

1 hour ago, V8Pete said:

Should be same as Peugeot 407 and Ford Territory (lol) which might be easier to come by locally.

Also, have you seen the likes of these for the other end?

https://www.aliexpress.com/item/1005004062594603.html

You might be able to keep your existing pedal and remote mount a cable actuated e-throttle thing.

I have seen them and I would just prefer to lose the accelerator cable all together..

And there's a prius one that could be made to work on a factory pedal

[shrike]

On 05/11/2024 at 10:09, BlownCorona said:

i can assist with a generic bosch DBW throttle body. 

What kind of sizing?

I could be interested

[d.p.n.s]

Built a setup for $35.

See if it even works when I get around to building the rest of the motor 😆 

[Roman]

Thread bump for good option found. 
Has a 5 pin plug that is + - DC motor and a 3 pin TPS.



Has been successfully used for ITB ethrottle. ( not by me)

Looking at the list of compatible vehicles there's probably a bunch of these at pickapart and similar on diesel Audi / VW / etc.

https://www.aliexpress.com/item/1005007187820465.html

[shrike]

Just now, Roman said:

Thread bump for good option found. 
Has a 5 pin plug that is + - DC motor and a 3 pin TPS.
Has been successfully used for ITB ethrottle.

https://www.aliexpress.com/item/1005007187820465.html

Got one on order?

[Roman]

Nah, will see how the BMW cable based stuff works for now. 
(waiting on shipping)
But might try those later.

[d.p.n.s]

Ive adapted a evo 4-9 manifold to the old pinto now and just going the 1 main DBW TB..

The ITB TB actuator i made really struggled down low at just opening or low throttle input  while I was playing with it

[87creepin]

Why is DBW preferred to cable throttle for itbs?