Lockup

coker6303

Keep Calm and Chive On!!
Aug 6, 2009
2,484
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Houston, TX
Anyone notice lockup issues with the precision ML converter? Doing boosted 4wd launches I'm not seeting lockup until 4th.

Looks like I may need the magic box...

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coker6303

Keep Calm and Chive On!!
Aug 6, 2009
2,484
0
36
40
Houston, TX
Seems to do it in both tow haul and normal. Sometimes it hits right, but most of the time it doesn't lockup until 4th

I didn't think I would have this issue with the ml. Thought it was mostly high stall converters

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blackdirtymax

New member
Apr 15, 2010
825
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augusta, ga
It has to do with power output of the motor and turbine speed . Just cause it locks in one truck , doesn't necessarily mean it will do it in another , they might be makin more power than you lol


Built motor , duel fuelers , 60's overs , gtx4202r
 

JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,736
806
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Texas!!!
My ML locks up fine. Maybe you need to talk to Mike before you buy a lock up controller.
I see you have a lockup controller.
RedDmaxLBZ07 Signature said:
__________________
2007 Chevrolet CC/SB LBZ
EFI Live-Tuned by Rob Coddens
SunCoast 6pac
Allseason EGR Delete and Y-Bridge
BT DieselWorks Lock Up/Unlock Controller
 

TrentNell

Finally underway !!!!!
Jul 7, 2008
7,543
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slc tuah
Seems to do it in both tow haul and normal. Sometimes it hits right, but most of the time it doesn't lockup until 4th

I didn't think I would have this issue with the ml. Thought it was mostly high stall converters

Sent from my ADR6400L using Tapatalk

The 6 speeds seem to have a fair bit of trouble locking up as the power grows , but a few simple tests can check to make sure the converter is stalling at the right speed , brake stall the truck up and see what rpm its pulling through the brakes .
 

Sledheadxp800r

That was only my tow tune
Dec 13, 2010
1,151
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39
CT
Are you asking if it is fixed or saying for Ben to get the problem fixed on the new one ?


Built motor , duel fuelers , 60's overs , gtx4202r


I don't want to speak for anyone but the way I read the funks post was if he gets Bens new controller his lockup issues will be solved.