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  • · Registered
    2006 chevy trailblazer_lt
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    2 Posts
    Saw some of your posts, and wanted to see if I could get some advice before pulling the trigger on my suspension. My TB is my daily driver, but every now and then I take her out in the woods. I'm not really looking to lift her, but I am looking at the liftmeister leveling kit, along with Bilstein HDs. I saw your mention of The Z71 springs in the back. My question was this: Do I need to replace my front or rear springs, or should I be okay with just the shocks? Should I get longer Bilsteins than would normally be put on the trailblazer, or should these be okay? Any help is greatly appreciated?

    http://www.shockwarehouse.com/site/product.cfm/id/15113/name/F4-BE5-A335-H0-Bilstein-GM-Trucks-WITHOUT-Rear-Air-Suspension

    · Registered
    2005 chevy trailblazer_ls
    Joined
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    187 Posts
    Hey, a couple years ago you uploaded some wiring diagrams to a hosting site, which are no longer good. Do you have anything you can send, or re-upload it?

    · Registered
    2002 gmc envoy_slt
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    3,214 Posts
    In a way you're right, when the TQ Converter unlocks, you're basically allowing slip. Slip equals reduced efficiency and more heat, which is why if you tow it is highly recommended that a tranny cooler be installed. Running 4th gear with the converted unlocked results in fewer rpms than if it down shifted to 3rd, sort of an in between if you will. The higher rpms results in higher torque, which allows the engine to cope with the load.

    I guess an example might be to compare its function to the 2 range shifter on a Semi. Each gear has a HI & LO setting, which in essense is sort of what the converter does. (Unlocked is the 'lo' setting and locked is the 'hi', effectively doubling the gear range of the tranny).

    Ray

    · Registered
    2003 chevy trailblazer_lt
    Joined
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    7 Posts
    Hello there. I was reading a reply to a thread that you wrote recently and I had to ask you a quick question. Here was the reply of yours: http://forums.trailvoy.com/showthread.php?t=62682&page=2 My question is in regards to the "torque converter unlocking". I've always wondered what made automatic transmissions always have kind of a "half of a gear" between the top two gears. I still don't understand why the tranny will just "hang out" between gears, seems like it would be unhealthy for the transmission to not really have any gears fully engaged. I live in a mountainous area and I experience this phenomena a lot. What are the downsides of, instead of downshifting to 3rd gear, just letting the torque converter "unlock" and have the RPMs halfway between 4th and 3rd? Fuel economy? Unusual wear on the tranny? Thanks in advance,

    Rockworthy
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