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-   -   Cruise control hack/modification? (https://ecomodder.com/forum/showthread.php/cruise-control-hack-modification-2668.html)

ArtFox 05-30-2008 05:19 PM

Cruise control hack/modification?
 
Anybody found a way to modify the parameters for accel/coast on a cruise control? It would be great to devise a +/- 5mph so that hill climbing would gradually decel to your - 5mph setting. Also allowing the car to coast 5mph faster than the setting going downhill...

ArtFox 05-30-2008 05:22 PM

I guess one would have to wire in an inclineometer?

RH77 05-30-2008 08:13 PM

I just setup a governing block on the cam that pulls the cruise cable. Essentially, it will pull the throttle setting (in my case, a ~12% throttle limit) up to the set speed, and then on hills, modulate the throttle for the set speed as usual. If the limit is hit on a hill or in strong winds, the load-up/slow-down occurs. It overshoots the setpoint a bit on downhills, but not much. It's still good if you need to focus on other things, or are too fatigued to hypermile.

RH77

getnpsi 06-01-2008 02:29 AM

if the cruise is working off the vss maybe you can do some sort of altering on the feed from the vss to the cruise electronics.

jomelmaldonado 04-14-2009 02:02 AM

Hello, maybe this thread I participated in will help you in something:

http://ecomodder.com/forum/showthrea...html#post68043

shawnmstout 02-15-2010 04:20 AM

use a electronic level for incline/decline

automd 02-17-2010 09:57 PM

Use jomelmaldonado's link. You'll learn alot from it. BTW, have you already tried using a n electronic level for incline/decline like shawn advised?

Peter7307 02-18-2010 06:02 PM

Quote:

Originally Posted by ArtFox (Post 29791)
Also allowing the car to coast 5mph faster than the setting going downhill...

The cruise on my car does this now and it is standard.

Set at 95 Kph it will let the engine return to idle on a downhill run and the speed goes up according to gravity assist until that runs out and the speed gradually slow to 95 again and the engine return to drive the car at about 1750 RPM.

The car is a GM variant locally built: Holden Commodore VY sedan , 3.8 with the 4L60E trans.

Pete.

cellurl 07-06-2015 05:00 PM

Android Solution
 
Here is source code to build what you are describing.

link


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