Vibration with 4cyl/MDS

[meechy6ix0]

Hey all, I saw that there was an old thread about a vibration with MDS, but I wanted to check with if ya’ll have any more input. Specifically with a vibration at very light throttle while MDS is on. During decel, there is that loud boom everyone knows, but is anyone else getting a sound and vibration through the pedal when very slightly accelerating which keeps the MDS still on?

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[2nd 392]

No boom, throttling deactivates it, yes a bit of “shudder” or call it vibration. Possibly more heard than felt. I avoid it with a passion so it rarely activities, and only allowed to momentarily when it does….. Also always on the lookout for, and subscribed to the Holley newsletter watching for a new version of the discontinued “Range Technology MDS Minder for Hemi” or alternative disabler.

 

[Red Willy]

I think it was Diablo that made a disabler in their tuner for the 392 when I had my Chrysler 300 SRT. Not sure if they are still around.

 

[2nd 392]

I think it was Diablo that made a disabler in their tuner for the 392 when I had my Chrysler 300 SRT. Not sure if they are still around.

Ca- my options are limited, so far Livernois has the only CARB approved tune I have found, and MDS disable isn’t listed. The “Range Technology“ are PNP that plug into the OBD2. GM’s, some Fords, but Hemi discontinued. Depressing ?

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