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  1. #1
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    Talking Velos flash tune review and track results.

    Car is a 09 c63 non pp with 58000 miles with k&ns and charcoal delete. 93 oct on 255 continental DWS. All else stock. 1/4 tank of gas. All runs were with the k&ns and charcoal delete. Sport mode, ESP off.

    Took it to the 1/8th mile on stock tune and ran a best of 8.4 at 86 mph. DA was ~1900.
    This would DA correct to around a ~8.1 sec run.
    2.0 60ft.
    Took it back with the velos personal tune flashed and ran 7.8 at 92. DA was ~1200.
    This would DA correct to around a ~7.6 sec run.
    1.88 60ft.
    A 7.6 calculates to about an ~11.9 in the 1/4 mile.

    Picking up half a second and 5+ mph in the 1/8th is pretty impressive for just a tune if you ask me. Throttle response is improved greatly and now the tranny shifts smoother in Comfort mode(used to be a little rough under mid level acceleration) and seems faster in sport mode as well. I'm still getting a code if i idle for a while for the charcoal delete though. Hopefully I can figure it out. All calculations were made by dragtimes.com DA correction. 1/8 to 1/4 conversions were made using a standard conversion table from http://www.eldemoniorojo.com/calculator.htm.

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    Great to see some track data. I think you're right about where you should be on street tires.

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    6 MPH in the 1/8 is no joke.

    Could we see the slips please?

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    Cant find the glory run, but heres one from 30 mins later after cool down, I cut a 1.87 60ft on this run, I'm still don't get how you get 1.8 with an open diff and 255 all season tires....the stock slips are gone bc I ran those 3 weeks ago. IIRC the mph was 92.1 on my best run.
    Attached Images Attached Images  

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    Click here to enlarge Originally Posted by chancejat Click here to enlarge
    I'm still don't get how you get 1.8 with an open diff and 255 all season tires...
    If you have traction an open diff doesn't really suffer all that much.

    Click here to enlarge Originally Posted by chancejat Click here to enlarge
    the stock slips are gone bc I ran those 3 weeks ago.
    What happened to them?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    What happened to them?
    i tossed them when I cleaned my car......

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    Click here to enlarge Originally Posted by chancejat Click here to enlarge
    i tossed them when I cleaned my car......
    Click here to enlarge

    So you are citing the baseline from memory essentially?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge

    So you are citing the baseline from memory essentially?
    Yep, and I'm 100% on it, I remember being very disappointed because my 5.0 ran faster (8.3 at 91 2.0 60ft 400 DA). When I got home and looked up the DA and found it was 1900, I was a little less disappointed.

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    Click here to enlarge Originally Posted by chancejat Click here to enlarge
    Car is a 09 c63 non pp with 58000 miles with k&ns and charcoal delete. 93 oct on 255 continental DWS. All else stock. 1/4 tank of gas. All runs were with the k&ns and charcoal delete. Sport mode, ESP off.

    Took it to the 1/8th mile on stock tune and ran a best of 8.4 at 86 mph. DA was ~1900.
    This would DA correct to around a ~8.1 sec run.
    2.0 60ft.
    Took it back with the velos personal tune flashed and ran 7.8 at 92. DA was ~1200.
    This would DA correct to around a ~7.6 sec run.
    1.88 60ft.
    A 7.6 calculates to about an ~11.9 in the 1/4 mile.

    Picking up half a second and 5+ mph in the 1/8th is pretty impressive for just a tune if you ask me. Throttle response is improved greatly and now the tranny shifts smoother in Comfort mode(used to be a little rough under mid level acceleration) and seems faster in sport mode as well. I'm still getting a code if i idle for a while for the charcoal delete though. Hopefully I can figure it out. All calculations were made by dragtimes.com DA correction. 1/8 to 1/4 conversions were made using a standard conversion table from http://www.eldemoniorojo.com/calculator.htm.
    Hey Chance,

    Looking good, glad to see you out having fun.

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