Author Topic: 5.7 hemi with MDS, can you by-pass it?  (Read 1271 times)

Offline crewchief

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5.7 hemi with MDS, can you by-pass it?
« on: March 09, 2017 - 11:37:24 AM »
I can get my hands on a 5.7 hemi core engine with MDS, is there a kit to bypass and or block MDS solenoids??




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Offline crewchief

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Re: 5.7 hemi with MDS, can you by-pass it?
« Reply #2 on: March 09, 2017 - 11:56:11 AM »
I don't want to disable it but I want to use the motor in a classic car, can you remove the solenoids and plug the ports with something because someone said engine will only run on 4 cylinders if MDS is not hooked up.

Offline GoodysGotaCuda

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Re: 5.7 hemi with MDS, can you by-pass it?
« Reply #3 on: March 09, 2017 - 12:02:09 PM »
Yes there are blockoff ports available. I believe they are 6.1L and early 5.7 parts.

Your ECU will likely need to know if it's OEM.


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1976 Dodge Warlock
1972 Barracuda - 5.7 Hemi + T56 Magnum

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Offline crewchief

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Re: 5.7 hemi with MDS, can you by-pass it?
« Reply #4 on: March 09, 2017 - 12:14:47 PM »
So the early non-MDS hemi blocks had provisions for MDS solenoids with block off plate in them?

Offline crewchief

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Re: 5.7 hemi with MDS, can you by-pass it?
« Reply #5 on: March 09, 2017 - 12:27:32 PM »
Would you have to change lifter then too?

Offline GoodysGotaCuda

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Re: 5.7 hemi with MDS, can you by-pass it?
« Reply #6 on: March 09, 2017 - 01:19:09 PM »
So the early non-MDS hemi blocks had provisions for MDS solenoids with block off plate in them?

Correct.


I'm not sure on the lifters but do not believe you "have" to change them.


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Build Page: Goody's 'Cuda Build Page
1976 Dodge Warlock
1972 Barracuda - 5.7 Hemi + T56 Magnum

Wheel & Tire Specs:Link

Offline crewchief

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Re: 5.7 hemi with MDS, can you by-pass it?
« Reply #7 on: March 09, 2017 - 01:47:09 PM »
Thanks for the info.