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Cadillac XLR-V Series Forum Discussion, RATTLE Snake Bite the XLR-V in Cadillac V-Series Forums; Originally Posted by coach123 I'm curious how things come out when Jesse tunes it. He collaborated with Vengeance on my ...
  1. #46
    GizmoQ's Avatar
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    re: RATTLE Snake Bite the XLR-V

    Quote Originally Posted by coach123 View Post
    I'm curious how things come out when Jesse tunes it. He collaborated with Vengeance on my tune but it's always better to have him right there during the tuning process. I would be interested to see the differences between your final tune and my tune. I believe Jesse always tunes in EFI first then converts to SCT so I could email him my tune to compare with yours. I did put 60lb injectors in though so that will change a few things.

    I have been wanting to make it up to his shop but have never got around to it. Its a long drive and the winter weather doesn't do well for our cars. Keep us informed on the progress and good luck. Who knows maybe he can have a snakebite tune specifically for our cars if other members wanted to get the mod done.
    Looks like the weather is going to cooperate, so I'll be taking the XLR to the Chicago Auto Show and meet up with Sal (Lord Cadillac) and some forum members next weekend before jetting over to Wait4Me.
    Snake Bit Super Chilled Black Raven 2006 Cadillac XLR-V aka Elwood (Jake's brother)
    Verified 501rwhp and 486TQ at 6000RPM so far...final goal 575/550

    ELWOOD - "Corvette in a Tuxedo ... with a Jet Pack"



    2013 St Louis Region SCCA Solo SSM Class Champion
    Texas Mile Record Holder: Street Legal XLR @ 159.5MPH
    ECTA LSR Record Holder: 4.2-5.0L Blown Gas Modified Sports Car

  2. #47
    Turbo Kyle is offline Banned
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    re: RATTLE Snake Bite the XLR-V

    Sounds good! Your Snake Bitten XLR-V will be waiting in the dyno room for you

  3. #48
    Turbo Kyle is offline Banned
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    re: RATTLE Snake Bite the XLR-V

    Quote Originally Posted by GizmoQ View Post
    Looks like the weather is going to cooperate, so I'll be taking the XLR to the Chicago Auto Show and meet up with Sal (Lord Cadillac) and some forum members next weekend before jetting over to Wait4Me.
    Cant wait to see how it does! Thanks again

  4. #49
    Stiegemeier is offline Cadillac Owners Member
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    re: RATTLE Snake Bite the XLR-V

    Awesome

  5. #50
    PGA2B's Avatar
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    re: RATTLE Snake Bite the XLR-V

    So when is Jesse going to tune it?

  6. #51
    GizmoQ's Avatar
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    re: RATTLE Snake Bite the XLR-V

    Quote Originally Posted by PGA2B View Post
    So when is Jesse going to tune it?
    Hopefully tomorrow. There was 9" of snow in the last 36 hours on top of a half inch of ice. My car's not doing anything till tomorrow. I'm just hanging out in the hotel bar. I can wait a couple more days.
    Snake Bit Super Chilled Black Raven 2006 Cadillac XLR-V aka Elwood (Jake's brother)
    Verified 501rwhp and 486TQ at 6000RPM so far...final goal 575/550

    ELWOOD - "Corvette in a Tuxedo ... with a Jet Pack"



    2013 St Louis Region SCCA Solo SSM Class Champion
    Texas Mile Record Holder: Street Legal XLR @ 159.5MPH
    ECTA LSR Record Holder: 4.2-5.0L Blown Gas Modified Sports Car

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    re: RATTLE Snake Bite the XLR-V

    Quote Originally Posted by GizmoQ View Post
    I'm just hanging out in the hotel bar.
    Have a few for me then..........

  8. #53
    GizmoQ's Avatar
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    re: RATTLE Snake Bite the XLR-V

    Quote Originally Posted by PGA2B View Post
    Have a few for me then..........
    You got it!
    Snake Bit Super Chilled Black Raven 2006 Cadillac XLR-V aka Elwood (Jake's brother)
    Verified 501rwhp and 486TQ at 6000RPM so far...final goal 575/550

    ELWOOD - "Corvette in a Tuxedo ... with a Jet Pack"



    2013 St Louis Region SCCA Solo SSM Class Champion
    Texas Mile Record Holder: Street Legal XLR @ 159.5MPH
    ECTA LSR Record Holder: 4.2-5.0L Blown Gas Modified Sports Car

  9. #54
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    re: RATTLE Snake Bite the XLR-V

    Ok, What's up Giz?????

    I saw your post in my neck of the woods.

  10. #55
    GizmoQ's Avatar
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    re: RATTLE Snake Bite the XLR-V

    Quick update while I recover:

    Snake Bite boost gains verified! HP increase is significant, but top end is still unknown. Need to go back to Wait4Me when he gets my bigger injectors. With current injectors, we jokingly decided I should have my rev limiter set at 5000RPM ( he realized right away I can't keep my foot out of it.)

    VERIFIED: 430RWHP @ 4900rpm (Run aborted at 5000RPM) You do the math on 6800RPM redline. Tried two pulls and engine went lean at 5500RPM. Jesse told me he has another motor I can buy if I don't keep it under 5K till I get back.

    Engine needs much, much, much bigger injectors, cooling for the high IAT, and more open exhaust to use it all.

    Will go back to Jesse next month to try it again.
    Snake Bit Super Chilled Black Raven 2006 Cadillac XLR-V aka Elwood (Jake's brother)
    Verified 501rwhp and 486TQ at 6000RPM so far...final goal 575/550

    ELWOOD - "Corvette in a Tuxedo ... with a Jet Pack"



    2013 St Louis Region SCCA Solo SSM Class Champion
    Texas Mile Record Holder: Street Legal XLR @ 159.5MPH
    ECTA LSR Record Holder: 4.2-5.0L Blown Gas Modified Sports Car

  11. #56
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    re: RATTLE Snake Bite the XLR-V

    So with an intake, exhaust, upgraded Intercooler Radiator, Upgraded Injectors (Please post what size injector also......), and a good tune being the mods does Jesse think the Snake Bite is going to be safe on the rear end as long as we don't beat on it all day?

    What about a 160* T-Stat? I know Jesse loves them.....

    Looking forward to the results.........

    I could see another 30-50RWHP with proper injectors and tuning, maybe even more.

    Looks like the learning curve continues........................

  12. #57
    GizmoQ's Avatar
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    re: RATTLE Snake Bite the XLR-V

    Quote Originally Posted by PGA2B View Post
    So with an intake, exhaust, upgraded Intercooler Radiator, Upgraded Injectors (Please post what size injector also......), and a good tune being the mods does Jesse think the Snake Bite is going to be safe on the rear end as long as we don't beat on it all day?

    What about a 160* T-Stat? I know Jesse loves them.....

    Looking forward to the results.........

    Looks like the learning curve continues........................
    Like he said in another thread, "Every engine is different." If he's concerned, so am I. I may have to invest in datalogging, but I won't be drag racing EVER! (fingers crossed). He mentioned a cooler T-Stat among several other things - I was on information overload by that time. I think his plan for me is 1)90lbs injectors, 2)bigger intercooler pump, 3)custom heat exchanger, 4)open up cats and exhaust. He recommended headers and nitrous, but I'm not ready to give up the comfort or trunk space.

    I got 430rwhp and 479lbs torque at 4900RPM so engine and tranny both become issues when I get it all tuned in. I hope I'm not misquoting him, but the comment was something like, "about the second or third time you launch really hard - the rear end is going to crack like an eggshell." I guess I'm the guinea pig.

    More to come next trip.
    Snake Bit Super Chilled Black Raven 2006 Cadillac XLR-V aka Elwood (Jake's brother)
    Verified 501rwhp and 486TQ at 6000RPM so far...final goal 575/550

    ELWOOD - "Corvette in a Tuxedo ... with a Jet Pack"



    2013 St Louis Region SCCA Solo SSM Class Champion
    Texas Mile Record Holder: Street Legal XLR @ 159.5MPH
    ECTA LSR Record Holder: 4.2-5.0L Blown Gas Modified Sports Car

  13. #58
    PGA2B's Avatar
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    re: RATTLE Snake Bite the XLR-V

    Oh GREAT!!!! I guess you can't launch hard then........ Get them from a dig..........

    Man I wish we had a V2 rear end. I hate glass houses......

  14. #59
    wait4me's Avatar
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    re: RATTLE Snake Bite the XLR-V

    Nice meeting you Giz. You are up 65RWHP over a stock one so far at just 4900 rpms, At that point the injectors hit 100% duty cycle and i could not adjust for fuel any higher in the rpms.
    My estimate after cooling, exchanger, and larger injectors you will be at 530rwhp at 6800 rpms. As the hp was climbing very quickly. You hit 500RWT on the first run before temps went thru the roof. That is if the supercharger can maintain the 17psi it is putting out, up at that high of rpms..

    Nitrous was just for cooling. Not to add any significant horsepower. 100 degree drop in inlet temps will help during the summer.

  15. #60
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    re: RATTLE Snake Bite the XLR-V

    Yes a 160 therm is definatly a good thing. Think of an oven. If you baking the stuff at 210 degrees, and then lower the oven down to 160-170, that is significant. Not only do sensors last longer, but you have a Little less heat soak on every thing under the hood.

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