Blackmaxx TC lockup setting? - Ford Powerstroke Diesel Forum
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  #1  
Old 09-30-2010, 07:29 PM
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Blackmaxx TC lockup setting?

What do you recommend I set my TC on my truck? 10inch lift 38x15.5x20s if that matters?
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Old 09-30-2010, 07:34 PM
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If you have your speedo corrected for the tire size difference, then the TC lockup is up to what you like. Early lockup will get you better mileage cruising through towns/highways. Race files usually have early lockups. I think the lowest you'd want to go or can go for that matter is 45.
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Old 09-30-2010, 07:38 PM
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I was told this Mini can correct the tire size? Havent figured out how to yet? so set it at the lowest lock up then?
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Old 09-30-2010, 08:38 PM
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I set mine at 45mph and it seemed to make the turbos snuff at medium throttle, like on freeway on ramps. The rpms were low enough at that lockup speed it killed the boost. My truck seems happiest at 55mph lockup
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Old 10-01-2010, 05:05 PM
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Thanks gonna try the 55 first
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Old 10-02-2010, 04:14 AM
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I use the 55 MPH lockup. Seems to work fine for me.
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Old 10-02-2010, 04:36 AM
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I dont have a H&S but my lock up is around 47mph
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Old 10-03-2010, 03:51 PM
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I just changed mine from the 55MPH to the 50MPH Lock up and I like the 50 alot better for back road driving.
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Old 10-03-2010, 04:26 PM
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I'm sorry to butt in, but I understand what converter lock up is...but can someone please explain how it affects the truck by setting it at different mph's? sorry if hijack!
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Old 10-03-2010, 04:30 PM
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It just effects the driving manners (and mileage of the truck if you do speeds arund lock-up). Earlier lock gives a hard pull, where later lock gives a loose pull. Basically like engaging half the clutch vs all of it one you hit OD in a manual.
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