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  1. #1
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    Cobb Stage 2 RACE datalog/discussion.

    Not much to look at, but the thing pulls like hell and made me Click here to enlarge for the first time in a long time. I can't wait to get this sucker on the strip!

    Click here to enlarge

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    Clean log. What was the boost? Were you spraying meth? What mixture?

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    Click here to enlarge Originally Posted by boom Click here to enlarge
    Clean log. What was the boost? Were you spraying meth? What mixture?
    The boost reporting is inaccurate just like stage 2+ so no point in plotting it. Running a 93+meth mixture at 80/20 on a DO10 nozzle.

    At least on my car, this map in alpha form is still perfectly streetable. Few bugs to work out but at least on my car, nothing to make it undrivable.

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    themyst, looks good...are you planning to dyno it soon?

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    Click here to enlarge Originally Posted by dzenno Click here to enlarge
    themyst, looks good...are you planning to dyno it soon?
    Dyno are for marketing. Were both going to the track tomorrow Click here to enlarge

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    Click here to enlarge Originally Posted by Laloosh Click here to enlarge
    Dyno are for marketing. Were both going to the track tomorrow Click here to enlarge
    I can't agree more Click here to enlarge enough logs and $#@!, let's see some numbers Click here to enlarge i LOVE where this community is going finally hehhehe

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    You guys are? Which one? I kinda want to go again...
    Click here to enlarge

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    Click here to enlarge Originally Posted by DefactoM6 Click here to enlarge
    You guys are? Which one? I kinda want to go again...
    Atco, I'm going in from queens, he's going in from north jersey

    Gotta bring my 5 gallon m1 drum lol. I'm out of meth.

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    Ben with the additon of meth and the Cobb stage 2 is your post timing shift better or still flatlining?

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    Wish this was a beta map, I'm hitting the strip Wednesday night

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    Click here to enlarge Originally Posted by Cn555ic Click here to enlarge
    Ben with the additon of meth and the Cobb stage 2 is your post timing shift better or still flatlining?
    The log posted shows timing recovered properly, but I have another log that shows timing flatline, so no it's not fixed. The good news is Cobb seems to know what is causing it, so a fix is imminent.

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    Click here to enlarge Originally Posted by BoostAddict Click here to enlarge
    Wish this was a beta map, I'm hitting the strip Wednesday night
    It's definitely a rough map and not ready for wider testing. Soon enough though, for sure!

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    Click here to enlarge Originally Posted by themyst Click here to enlarge
    Atco, I'm going in from queens, he's going in from north jersey

    Gotta bring my 5 gallon m1 drum lol. I'm out of meth.
    Track rental?
    Click here to enlarge

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    Click here to enlarge Originally Posted by DefactoM6 Click here to enlarge
    Track rental?
    Nope, regular day. Opens at 4:30 so I'll prob head out around 2:30 to beat traffic.

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    good luck out there Click here to enlarge

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    My prediction:
    12.8@113 lol I fail at driving

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    Should be fun! Ben practice the 2nd gear launches. With all that torque it should work really well. You brake torque to 1500-2000 or so in 2nd, then floor it, but don't press the kick down. While clap is spinning his tires going nowhere you can pass him by with easy 1.8s 60's and high 11s. Click here to enlarge

    Also since you don't have a meth safety yet be sure to run on race gas.

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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Should be fun! Ben practice the 2nd gear launches. With all that torque it should work really well. You brake torque to 1500-2000 or so in 2nd, then floor it, but don't press the kick down. While clap is spinning his tires going nowhere you can pass him by with easy 1.8s 60's and high 11s. Click here to enlarge

    Also since you don't have a meth safety yet be sure to run on race gas.
    Thanks....now go drive a real transmission lol

  19. #19
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    Nah autos FTW. Click here to enlarge

    Actually, you should try a DCT. It isn't the greatest drag racing transmission from a stop but once you're moving it's pretty slick. Shifts are instant. I was shifting every 800-900rpm at the track and going through the traps at the top of 5th. Click here to enlarge

  20. #20
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Should be fun! Ben practice the 2nd gear launches. With all that torque it should work really well. You brake torque to 1500-2000 or so in 2nd, then floor it, but don't press the kick down. While clap is spinning his tires going nowhere you can pass him by with easy 1.8s 60's and high 11s. Click here to enlarge

    Also since you don't have a meth safety yet be sure to run on race gas.
    It seems my tires still give out at WOT in 2nd gear from a dig. I'll have to modulate it a bit then go wot past 30-40 mph.

    I got better cold weather traction than laloosh does though so well see.

    And my snow performance bypass solenoid was shipped today from PA, there is an outside shot I may have it tomorrow before I head to the track.

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    Click here to enlarge Originally Posted by Laloosh Click here to enlarge
    Thanks....now go drive a real transmission lol
    Manual ftl!! I've actually owned one. Click here to enlarge

  22. #22
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    Click here to enlarge Originally Posted by themyst Click here to enlarge

    And my snow performance bypass solenoid was shipped today from PA, there is an outside shot I may have it tomorrow before I head to the track.
    How does that system work?

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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    How does that system work?
    There is a volume dial and a delay dial on the flow sensor, if volume isn't at x by y ms, the trigger is sent to the solenoid which vents boost to atmosphere until the meth pump turns off.

    The flow sensor / solenoid don't work unless the meth pump is on, so that's cool.

  24. #24
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    For the Y ms, I presume you also need to feed boost in to the system? Or does it just take a wire from the pump and start timing when duty cycle > say 25%?

    Where are you actually connecting the solenoid?

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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    For the Y ms, I presume you also need to feed boost in to the system? Or does it just take a wire from the pump and start timing when duty cycle > say 25%?
    No, one of the connections on the snow FSB is directly spliced to the pumps positive terminal. Basically it's y ms from the point the pump turns on. The delay range Is 0.1 - 1.5 seconds. I'm thinking 0.5-0.7 seconds is good. Might set it a little high though.

    Solenoid is connected somewhere in vacuum, most convenient place would be between the DVs.

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