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Thread: 413.5 bhp at the flywheel from standard injectors

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    413.5 bhp at the flywheel from standard injectors

    well i was up today at hypertech getting the car fueling sorted. duncan couldnt get the right pintil caps for the 450's in time so we set the car up on the standard injectors with the s-afc with some good results.
    chart shows the last time i was there compared to today.running 1 bar boost ,45psi fuel pressure, no knock through out the range.413bhp
    we did hit 416 but as standards are only good for 417 left it a bit lower.next time we'll get the 450s' in and hopefully get 430+
    first chart shows last time and todays.


    and one for the tech heads,duncan said this would confuse a few folk,im lost even with the basics

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    1st ever COTM and COTY verified Feedback Score 9 (100%) green-lantern's Avatar
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    So this is just the engine on a dyno? Seems like good results on stock injectors.

    Quote Originally Posted by HilbillyHomeboy View Post
    I bet she smells of old mustard and sawdust.
    Jeremy

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    Forum User Not Verified Feedback Score 3 (100%) Sin'sVr4's Avatar
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    Hmm, 413 on stock injectors and safc? doesnt seem realistic. How can you get that power out of 360's? doesnt add up. What kind of turbos? what kind of dyno?

    1/4 mile 11.80 @117mph. 551whp 641trq @ 26psi E85 tune, MTC 19T-HLs, forge 15psi spring wastegates, 780 PTE inj, 3SX Fuel loop, ss fuel lines, Engine built by Laniers Speed shop, block bored .060 w/ chromolly rings, weisco pistons, 3sx custom forged rods, forged crank, HKS DLI, AEM EMS, AEM UEGO wideband, prosport oil and boost guages, aeromotive 1000 FPR, Dejon blow thru twintakes, Walbro E85 400 w/ 3sx hotwire kit and custom an fitting fuel pump w/ STM filter to pump line, CXRacing FMIC, Megan Racing Aluminum radiator, IPS custom downpipe, Borla 3" exhaust,Greddy profec b spec II EBC, Blitz SS BOV,R1 Drilled slotted rotors, Drag DR-31 rims, RPS stage 4 unsprung clutch,

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    its running 13ts' and uprated fuelling,set the fuel at 45psi which isnt alot. it was on a dyno dynamics dyno one of the more accurate ones in the uk ill be fitting 450 inj next just waiting on them being serviced. 360 inj. top out at 417bhp

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    Is this an engine dyno or chassis dyno?

    DG

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    It's chassis, then it guestimates at the flywheel HP.

    -Chris

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    not into all this tec stuff like you guys but the car sure feels alot better now .its only figures at the end of the day,just as long as i can keep with an m3 im happy and my car runs

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    It's chassis, then it guestimates at the flywheel HP.
    Odd.

    Most chassis dynos are content to report delivered HP rather than introduce a bogus number based on a guess on drivetrain loss.

    Dynos are relative devices anyway. They are great for comparisons of the effects of changes as measured on the same dyno, but dyno-to-dyno there's a lot of variation. I don't put much stock in dyno numbers, even my own.

    DG

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