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Thread: Wait for me tune

  1. #1
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    Wait for me tune

    Hey guys just got off the phone with Jes and wanted to get some peoples opinions who have had his this tune before. I have an 04 V and 02 Denali pickup that I want to get tuned. He only wants 160 each for the tune with ecu and everyone else wants 4-500 and I'll have to send my ecu in.

    So anyone have it done on their V? Wanted to ask before I pulled the trigger. I searched and couldn't find much. Found guys that got them on their trucks but not much on the Vs


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  3. #2
    JDB's Avatar
    JDB is offline Cadillac Owners Connoisseur
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    Re: Wait for me tune

    Search: "W4M"

    A lot will come up. I had his tune and wasn't a fan. Sold it.

  4. #3
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    Re: Wait for me tune

    did a search and only a couple of threads came up. What didn't you like about it, anything you did like about it? Just looking for some feedback, I saw that Carlson has one so hopefully he will post some info.

    I'm just looking for my car to run better and have a noticeable difference, only mod I have now is a volant, but thinking about buying headers and exhaust. Would love for my truck to get some better gas mileage with its 6.0

  5. #4
    HAMSTAR is offline Cadillac Owners Enthusiast
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    Re: Wait for me tune

    Save your coin until you have some mods done to the car. You don't need a tune right now.

  6. #5
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    darkman is offline Cadillac Owners Master
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    Re: Wait for me tune

    I had a Wait4Me on my LS6 when it was relatively stock (UUC lightweight flywheel & Random Tech high-flow cats). It provided an improvement in gas mileage and power (359 rwhp). Having the spare ECU is handy also.

    The results on mail-order tunes do vary however. This makes since because the mail order tune, like the factory tune, is still a cookie-cutter approach albeit with a different cookie cutter.

    I would not use a mail order tune on a modified engine (cam/heads/intake/throttlebody), but for a relatively stock engine or an engine with headers only it can be worth the lower price to see. With the Wait4Me you still come out with a spare ECU.
    Last edited by darkman; 10-12-12 at 04:27 PM.

  7. #6
    NC-V is offline Cadillac Owners Fanatic
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    Re: Wait for me tune

    I have a w4m pcm with a tune for a CAI and cat back that I ran on my 05 LS6 V for a while. The main differences in the W4M tune were lowered temp for cooling fan operation, skip shift removal and reduced torque management. I'll sell you the one I got if you want, I think the ecms should be the same, just pm me.

  8. #7
    carlson_mn is offline Cadillac Owners Enthusiast
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    Re: Wait for me tune

    I'll share with others that I am happy with my W4M tune. I needed an ECU fast and Jesse hooked me up. I don't notice any downfalls to the tune - he asked me for my mods list, which is headers and exhaust. I notice it has more responsive and cleaner pull in part-throttle which is really nice. It goes into coast (DFCO) mode quicker and maintains it to a lower rpm, which is probably where you save the fuel you may notice. I think I am averaging about 1mpg better which is nice. I am averaging about 17-19 mpg about 2/3 highway but including traffic and burning some rubber everyday. Highway mpg does not change with the tune as the car maintains a set AF ratio then, I average about 24mpg on highway with our ethanol gas here in MN.

    As far as power goes I won't speculate but the topend feels better after the tune, it felt a little fat before hand. Engine is a little more rev happy. No more skip shift light on the dash even though I already had the eliminator plug. Car runs cooler as well, never seen coolant temps above 193.

  9. #8
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    Re: Wait for me tune

    Thanks for the info guys. I only have honda ecu tunes to compare and the one I got for my prelude made a pretty big difference, but sounds like it isn't anything near the same. Jess was saying it adds something like 23hp to the wheels..... He also said the redline goes up 200rpm and I should notice an increase in mileage, in addition to the stuff ncv mentioned

  10. #9
    DarkCharisma is offline Cadillac Owners Member
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    Re: Wait for me tune

    I had a W4M tune on my '00 Silverado a few years ago. Seemed to cause transmissions to die at a much faster rate--my dad currently owns the truck and it's about killed it's 3rd 60e. I can't blame that on the tune however, I've always ran oversized tires and did do a fair bit of off-roading and towing, and the 60e isn't the most robust piece of shit GM has ever put behind a V8 ... It still left me a little leary regardless.

    That being said, I did see a measurable increase in MPG and throttle response, at least in my truck.

  11. #10
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    Re: Wait for me tune

    Quote Originally Posted by DarkCharisma View Post
    I had a W4M tune on my '00 Silverado a few years ago. Seemed to cause transmissions to die at a much faster rate--my dad currently owns the truck and it's about killed it's 3rd 60e. I can't blame that on the tune however, I've always ran oversized tires and did do a fair bit of off-roading and towing, and the 60e isn't the most robust piece of shit GM has ever put behind a V8 ... It still left me a little leary regardless.

    That being said, I did see a measurable increase in MPG and throttle response, at least in my truck.
    I have forgotten the specifics, but there was a common problem with LS engine aftermarket tunes (whether mail order or hands-on) and automatic transmissions. In layman's terms (because I am not a tuner) changes to the engine tune inadvertently caused an adverse change in the transmission tuning algorithm and operation. Once it was discovered, tuners presumably changed the way they tuned automatics and/or GM changed the algorithm. Perhaps a tuner will chime in on this.

  12. #11
    NC-V is offline Cadillac Owners Fanatic
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    Re: Wait for me tune

    Quote Originally Posted by darkman View Post
    I have forgotten the specifics, but there was a common problem with LS engine aftermarket tunes (whether mail order or hands-on) and automatic transmissions. In layman's terms (because I am not a tuner) changes to the engine tune inadvertently caused an adverse change in the transmission tuning algorithm and operation. Once it was discovered, tuners presumably changed the way they tuned automatics and/or GM changed the algorithm. Perhaps a tuner will chime in on this.
    It does really come back to a tuning problem, and it still is somewhat of a common problem when tuning auto trans, which is why it's important to use a good tuner you trust. What would happen is: People would go in and tune the engine and remove all the torque management that is programmed in, and then not touch the transmission tune. This would allow full torque during shifts and burn up the trans (not a problem with standard trans).

    In factory trim the trans shift times and line pressures are slow and relaxed so that the shifts are soft and cushy (grandma doesn't want to feel the shifts). This leaves the trans vulnerable to slippage during shifts if there is a heavy load applied. To remedy this, the engine tune is programed with Torque management. TM will essentially cut the power output of the motor during/between shifts so even when grandma mashes the pedal to pull out in front of you in traffic, the shifts can still be softer and the trans will last longer. If you remove the engine torque management without properly modifying transmission shift times, line pressures, etc. your trans life will be greatly reduced.

    Same thing when the 6l80's came out, there was a tuning "learning curve" where people were burning them up because of tuning issues (still happens).


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