Corvette Z06 encounter

Discussion in '308/328' started by ATSAaron, Jan 12, 2018.

  1. ATSAaron

    ATSAaron Formula Junior
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    Jun 1, 2004
    734
    Shady Shores, TX
    Full Name:
    Aaron Bunch
    I took the turbo Ferrari out for a short trip to the auto parts store last weekend.

    As I was driving along the access road a modified 7 liter 427 cubic inch C6 Z06 exited the freeway right next to me. He revved on me. I dropped down a gear and took off.

    About a mile later he caught up. There were no cars in sight. No cross streets. Just two cars on a clear one way road. We were both going about 60. He lined up and I heard him hit it. I was in 3rd gear about 5500rpm.

    He pulled about half a car on me before I got full boost. By the top of third gear I had 3/4th of a car on him. I grabbed 4th gear and he disappeared behind me.
     

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  2. sltillim

    sltillim Formula Junior
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    Nov 22, 2009
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    Spencer Tillim
    Thats RAD!!!!!!
     
  3. Gh21631

    Gh21631 Formula 3

    Feb 24, 2011
    1,833
    East
    Funny post.
     
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  4. mike996

    mike996 F1 Rookie

    Jun 14, 2008
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    Pretty darned impressive! A stock Z06 with stock tires can routinely turn low 11's in a 1/4 mile; they have run as quick as 10.98 totally stock (stock tires as well) which would blow a 288 GTO into the weeds and run with a Ferrari 458 Speciale. I'm amazed that a 3x8 motor could be made to produce the 475-500 HP necessary to run with a Z06 without turning into an IED! :)
     
  5. Gh21631

    Gh21631 Formula 3

    Feb 24, 2011
    1,833
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    Hold on now this was a modified Z06
     
  6. 308 milano

    308 milano F1 Rookie
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    Jan 15, 2007
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    Would love to have witnessed this! Freaking awesome! LOL
     
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  8. mike996

    mike996 F1 Rookie

    Jun 14, 2008
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    AHA! I guess it was modified to be SLOWER than a standard ZO6! :)

    Seriously, since the C6 Z06 weighs about the same as a stock 3x8 - possibly a bit less - it would take the same HP to match the performance - around 500.

    1. Are you really getting that kind of power out of a 3x8 motor/applying it to the ground or,

    2. Is it possible that the ZO6 guy wasn't really trying, just egging you on for grins?
     
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  9. cmt6891

    cmt6891 Formula 3
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    Feb 25, 2008
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    Carl T
    I agree...pulling way in 4th gear to boot. Not saying it did't happen but would love to witness:)
     
  10. ATSAaron

    ATSAaron Formula Junior
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    Jun 1, 2004
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    Aaron Bunch
    The Z06 didn't expect an old 308 to have almost 200 horsepower MORE than him.
     
  11. ATSAaron

    ATSAaron Formula Junior
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    Jun 1, 2004
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    Aaron Bunch
    We turned it up a little about a month ago.

    Six hundred and twenty wheel horsepower. (Seems like more when I spell it out).

    That's a stock 78 308 in good condition at the bottom for comparison.

    Image Unavailable, Please Login
     
  12. ATSAaron

    ATSAaron Formula Junior
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    Jun 1, 2004
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    He had exhaust for sure. I assumed the usual: exhaust, headers, cam, and a tune. I was disappointed that he didn't follow me to chat about it. After the beating he took a U turn and headed the opposite direction.
     
  13. Lotaz

    Lotaz Formula Junior

    Nov 18, 2016
    633
    Las Vegas
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    Scott
    Wow you have that car pumped up!
     
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  15. 308 milano

    308 milano F1 Rookie
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    Jan 15, 2007
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    Yeah, this car is a beast. There’s a thread somewhere of Arron’s 308 and it is impressive!
     
  16. Gh21631

    Gh21631 Formula 3

    Feb 24, 2011
    1,833
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    How would that motor, trans and rear handle all of that extra power? Your car makes more power than a 488.
     
  17. ATSAaron

    ATSAaron Formula Junior
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    Jun 1, 2004
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    A 488 shifts so fast that they might still have me in a 0-60 or 1/4 mile.

    My motor is built with forged pistons, Carrillo rods, and runs on E85.

    The transmission has been rebuilt, but not upgraded (no upgrades exist to my knowledge). I have a spare on the shelf though. I avoid hard launches and shock loading the transmission.

    Aaron
     
  18. cmt6891

    cmt6891 Formula 3
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    Feb 25, 2008
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    Aaron... so you are running a stock 308 crank or have you upgraded to say a 360 ? The turbo's alone cant be getting you all that extra HP
     
  19. ATSAaron

    ATSAaron Formula Junior
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    Jun 1, 2004
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    Aaron Bunch
    I've got a stock 308 crank. QV block, JE high compression pistons, copper head gaskets, 348 heads with custom cams, a 328 oiling system, 328/308 intake plenum/runners, coil on plug ignition, full efi system with a Link G4 ecu, water to air intercooler, and a Precision 6265 turbo (a 6466 ball bearing turbo is coming soon).

    I'll have to check my notes, but boost is currently 16-18 psi.

    Aaron
     
  20. mike996

    mike996 F1 Rookie

    Jun 14, 2008
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    600+ hp out of a 3x8 motor? I'm impressed that the crank can survive a WOT run for more than a few seconds! It speaks for some good original Ferrari engine quality and good quality aftermarket parts/engine building. Nice work! The boost is, of course, making the vast majority of the HP - more than doubling the HP that would be available after the other engine mods. Without supercharging, I'd guess you have around 275 HP at the rear wheels.

    As has been suggested...without appropriate mods to the drivetrain, "drag-strip" starts are probably NOT a good idea! :) ALTHOUGH...maybe the tranny would surprise me but I suspect the clutch/axles wouldn't!

    FWIW, I have to admit I am disappointed in the power output of the "good running" carbed 308. I would have thought they could manage RW HP into the 200's at around 7k RPM. But it looks like around 180 at 6300. :(
     
  21. ATSAaron

    ATSAaron Formula Junior
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    Jun 1, 2004
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    I think the best I ever got out of my carb'd 308 was 188whp. 4Webers dyno' d his 79 and got about 191 I think. The graphs are probably up on this site somewhere.

    Aaron
     
  22. greg288

    greg288 Karting

    May 28, 2007
    85
    No offense to any Corvette owners but, let's not forget you had him beat in the looks department as well.......not only did you win, you looked better while doing it :cool:.
    As always, your 308 is just stunning to me. Even if you had done ZERO engine mods, I would rather have your car than ANY Corvette.
     
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  23. kcabpilot

    kcabpilot Formula Junior

    Apr 17, 2014
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    Paul
    Well let's not discount driver capabilities.There are, for example, 2,907 YouTube videos titled "Z06 hits tree"
     
  24. miketuason

    miketuason F1 World Champ
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    Feb 24, 2006
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    Wow! Now people’s going to think our stock 308 is faster thank the Z06.
     
  25. ATSAaron

    ATSAaron Formula Junior
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    Jun 1, 2004
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    I kind of hope he went home and googled 308 acceleration times, and now he thinks a Honda Oddysey could beat him. Lol.
     
  26. Gh21631

    Gh21631 Formula 3

    Feb 24, 2011
    1,833
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    I apologize for my sarcastic response, there is no way I expected a 308 to make the power that your car does. Pretty sick how the drive train holds up under so much load, I am very surprised. We are conditioned to think they will break so easily. Who built your motor? They definitely seem to know what they are doing.
     
  27. ATSAaron

    ATSAaron Formula Junior
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    Jun 1, 2004
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    Shady Shores, TX
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    Aaron Bunch
    No apology necessary.

    The heads, cams, and pistons were done by Bob Norwood. As was the assembly of the long block. The turbo kit, intercooler, fuel system, exhaust, efi conversion, and ecu tuning was done by ATS Exotics (my shop).

    Aaron
     

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