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  1. #751
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    Click here to enlarge Originally Posted by Ak335i Click here to enlarge
    Sweet deal...I had a feeling 15-16 psi would be right where I want my build on 93 for stock clutch. Thanks for all the hard work you've been putting in. You directly helped me with that right there!

  2. #752
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    Click here to enlarge Originally Posted by Ak335i Click here to enlarge
    ok guys how bout this one.. how can I get the tranny to allow me to brake boost in first gear to leave in boost. I have the alpina flash maybe that changed something ? all I know is it won't allow me to rev higher than ~2K rpm with the brake applied in 1rst. lol. I can't even do a burnout
    You either need a high stall torque converter or two-step. I can only get about 2 psi off the line, and I have a smaller turbo than you.

  3. #753
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    Click here to enlarge Originally Posted by Eleventeen Click here to enlarge
    You either need a high stall torque converter or two-step. I can only get about 2 psi off the line, and I have a smaller turbo than you.
    so basically I need to change my transmission. that's what I planned anyway..
    - Proven Power Tampa built 6466 ST -
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  4. #754
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    Click here to enlarge Originally Posted by Ak335i Click here to enlarge
    so basically I need to change my transmission. that's what I planned anyway..
    Why? AT is quicker than MT.

  5. #755
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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    Why? AT is quicker than MT.
    and boring.

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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    Why? AT is quicker than MT.
    +1

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    Click here to enlarge Originally Posted by Torgus Click here to enlarge
    and boring.
    I have MT, and like it, but I realize that preferences differ and AT is nice for it being so fast. AT can keep the boost level up during the shifts and moreover, the shifts are very fast. Also, high powered MTs may spin a bit at the shifts losing precious acceleration time.

    For the moment he has only 418 ft lbs, which is a lot less than a typical FBO, so even the AT tranny longevity is not a problem. So, just turn up the boost Click here to enlarge

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    because I cannot leave in boost. but for rolls the At Is nice I suppose
    - Proven Power Tampa built 6466 ST -
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  9. #759
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    I wish there was more solid info about swapping transmissions. A 4000rpm stall would turn this car into an animal.

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    You should check with Terry to see if the two-step is a viable option at the low RPM's needed. This should spool the turbo off the line.

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    Click here to enlarge Originally Posted by BoostAddict Click here to enlarge
    I wish there was more solid info about swapping transmissions. A 4000rpm stall would turn this car into an animal.
    level10 increased the TQ converter stall 500rpm over stock, i think they can increase it more

    the rpm can reach 3k from stop at 2nd gear

  12. #762
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    Click here to enlarge Originally Posted by BoostAddict Click here to enlarge
    I wish there was more solid info about swapping transmissions. A 4000rpm stall would turn this car into an animal.

    Workin on it!
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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    I have MT, and like it, but I realize that preferences differ and AT is nice for it being so fast. AT can keep the boost level up during the shifts and moreover, the shifts are very fast. Also, high powered MTs may spin a bit at the shifts losing precious acceleration time.
    Aside from the 2nd gear launches at the strip, the 6MT with No lift shift is the way to go. I hold nearly full boost between shifts, and shift faster than the 6AT. I really cannot express how much of a difference the NLS function makes. For the record, im using the wotbox with Cobb. http://www.npcompleteperformance.com/wotbox
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    I have a built 4l60e for sale Click here to enlarge

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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    Aside from the 2nd gear launches at the strip, the 6MT with No lift shift is the way to go. I hold nearly full boost between shifts, and shift faster than the 6AT. I really cannot express how much of a difference the NLS function makes. For the record, im using the wotbox with Cobb. http://www.npcompleteperformance.com/wotbox
    I fully agree about the NLS and 2-step being the must have for MT. Wotbox is not able to build boost as high as Procede and JB4 though, so I would not have Wotbox myself.

    Congrats if you can shift faster than AT on average. Most can't do it consistently. Looking at dragtimes, there are only a couple of MT cars within the 30 best times. MTs without NLS you don't see there at all...

  16. #766
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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    I fully agree about the NLS and 2-step being the must have for MT. Wotbox is not able to build boost as high as Procede and JB4 though, so I would not have Wotbox myself.

    Congrats if you can shift faster than AT on average. Most can't do it consistently. Looking at dragtimes, there are only a couple of MT cars within the 30 best times. MTs without NLS you don't see there at all...
    What makes you think the wotbox cannot build boost as high as Procede or JB4? Boost is directly related to the load on the engine.. If you want more boost, you just increase the RPM at which you have the two step set to activate.
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  17. #767
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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    What makes you think the wotbox cannot build boost as high as Procede or JB4? Boost is directly related to the load on the engine.. If you want more boost, you just increase the RPM at which you have the two step set to activate.
    I remember Dzenno reporting that he was not able to build too many PSIs at the launch. How high boost can you build at launch off the line?

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    Click here to enlarge Originally Posted by alex@ABRhouston Click here to enlarge
    Workin on it!
    Where are you at with this process? Very interested.

  19. #769
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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    I remember Dzenno reporting that he was not able to build too many PSIs at the launch. How high boost can you build at launch off the line?
    IIRC, about 5 psi at 3k. Haven't tried or even wanted more as it just boils the tires in 1st gear. Need a diff lockdown kip and some slicks before i try again.
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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    What makes you think the wotbox cannot build boost as high as Procede or JB4? Boost is directly related to the load on the engine.. If you want more boost, you just increase the RPM at which you have the two step set to activate.
    When integrated with a tune, timing can be adjusted to perfect the 2 step & NLS. For example, by pulling timing the preferred boost off the line can be achieved at lower RPM. It should avoid spinning at least if used with slicks.

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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    When integrated with a tune, timing can be adjusted to perfect the 2 step & NLS. For example, by pulling timing the preferred boost off the line can be achieved at lower RPM. It should avoid spinning at least if used with slicks.
    The piggybacks cannot adjust timing properly so it's really a moot point. What you are describing is basically the factory DME's version of "lean spool mode" where timing is retarded and fuel left lean to increase EGT's and thus spool the turbos faster. Someone could play with this on the flash side to see how successful it is. Basically enable lean spool mode and set max rpm to match the two step rev limit.
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    Click here to enlarge Originally Posted by klipseracer Click here to enlarge
    Where are you at with this process? Very interested.

    Well, right now? Is off to the side. My shop help had a death in the family, so its just me and I have waaaaayyyy to much work to mess with it.

    but it's a n54 block, a 4l60e transmission bellhousing/ front pump, and 6'er of beer trying to figure out everything.
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  23. #773
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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    The piggybacks cannot adjust timing properly so it's really a moot point. What you are describing is basically the factory DME's version of "lean spool mode" where timing is retarded and fuel left lean to increase EGT's and thus spool the turbos faster. Someone could play with this on the flash side to see how successful it is. Basically enable lean spool mode and set max rpm to match the two step rev limit.
    Adjusting the timing table actually affects the timing. You can verify it by logging.

  24. #774
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    Click here to enlarge Originally Posted by alex@ABRhouston Click here to enlarge
    Well, right now? Is off to the side. My shop help had a death in the family, so its just me and I have waaaaayyyy to much work to mess with it.

    but it's a n54 block, a 4l60e transmission bellhousing/ front pump, and 6'er of beer trying to figure out everything.
    Please do share if you get anywhere with this.. I can get my hands on a built 4L60E. or a 4L80E.
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  25. #775
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    Dan I think Chris has a billet 3600 stall with that 4l60e as well

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