AW4 shifting with big throttle body

Performance mods and Advanced Stroker discussion.
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SkylinesSuck
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Re: AW4 shifting with big throttle body

Post by SkylinesSuck »

cal wrote: May 1st, 2019, 2:29 pm You could say that. (Russ and I are very close, he put this one together for me while I watched).

viewtopic.php?f=8&t=6025

Super jealous about that btw :cheers:
Cummins90
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Re: AW4 shifting with big throttle body

Post by Cummins90 »

That's who I'm going to when finances permit. What year ECU is running this engine?
cal
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Re: AW4 shifting with big throttle body

Post by cal »

It's a 2000, federal emissions.
Cummins90
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Re: AW4 shifting with big throttle body

Post by Cummins90 »

A part throttle boost switch but replaced with a vac switch. No clue if it would work and it seems archaic. As you achieve atmospheric pressure in the manifold a NC under vacuum switch flips to a full 5v signal through a .5v diode. ECU sees 4.5v full throttle. Ignore the red x part of the ground tracing.
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cal
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Re: AW4 shifting with big throttle body

Post by cal »

It took me a moment to wrap my head around that.

An interesting thought. I'm not sure how practical it is, but interesting.
Cummins90
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Re: AW4 shifting with big throttle body

Post by Cummins90 »

My 4yr old son and I were coloring. He takes a look at it and says I'm not that good at coloring.
Russ Pottenger
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Re: AW4 shifting with big throttle body

Post by Russ Pottenger »

Cummins90 wrote: May 3rd, 2019, 1:11 pm My 4yr old son and I were coloring. He takes a look at it and says I'm not that good at coloring.
Lol, ... That’s awesome.
Cummins90
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Re: AW4 shifting with big throttle body

Post by Cummins90 »

The apple didnt fall far from the tree. While I was cleaning I found a few .5v diodes. If you are interested PM me. You would still need a switch.

https://www.worldmagnetics.com/our-swit ... witch.html

Something along these lines but 74kpa may be too low.
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