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Thread: driveshaft loop

  1. #1
    Join Date
    Nov 2018
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    driveshaft loop

    I have a relatively stock 2006 Chrysler 300 SRT8 but I bought a set of 305/45-18 M/T et street r's because the 245/45-20's are a joke under 25 mph. Do I "need " to install one? I know it's a good idea



  2. #2
    Join Date
    Jan 2011
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    Calabash, NC
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    prob. not. i roasted my driveshaft but that was at 10 lbs of boost 600 hp. it was a stock driveshaft . i didn't have a loop at that time but no other damage.
    Last edited by CruzKing; 02-09-2019 at 07:12 PM.

    PB ET 14.02 at CamaroFest 5 totally stock
    PB RT Sportsman tree .003 at Challengerfest 3, PB RT pro tree .019 at MSHS VMP 5/16
    PB 0-60 3.24 MIR Raceway Drag Radials 6/18

    PB 0-60 4.40 Street Tires on the street Calabash 10/14

    PB 60' 1.472 @ CF9 4/18
    PB ET 1/8 6.911 @ CF9 4/18
    PB MPH 1/8 101.32 @ The Rock 4/19
    PB ET 10.857 @ CF9 4/18

    PB MPH 127.29 @ Atco 11/18

  3. #3
    Join Date
    May 2017
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    driveshaft loop

    Are you racing?
    Probably don’t NEED it on radials but it depends on hp/tq and if you are trying to get cleared by a track to run or running a stock driveshaft.

    It is cheap ($100-150) insurance though.


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  4. #4
    Join Date
    Aug 2007
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    No, you don't need a driveshaft loop yet. While in general they're a good safety item, the SRT8 driveshaft is stout and so are the joints. What you're much more likely to need are stronger axles, on a 2006 they're the weakest link in the whole drivetrain.
    MoparMax.com
    2007 MSRT8 Arrington 426 ci|Magnuson Supercharger|Hedman Long Tubes|978 hp 866 lb ft
    DSS 9" rear, axles & CF driveshaft|Strange 3rd member 3.89
    5400 stall |Westminster Transmission TH400|LAT OIL & ATF
    Diablosport Trinity|Mickey Thompson|RPM Rollbar

    9.71 @139 mph
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  5. #5
    Join Date
    Jul 2006
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    ^ Yep....no driveshaft loop required, but you will need stronger axles. Although....usually.... the axles only break when you go to slicks.
    Net is where I be......Nathan is me
    *
    2006 Charger SRT8
    Inferno Red (Just a blur to most folks) with All Factory Options / Groups, SRT8 Mats, Side moldings/rear ram's head shaved
    Billet Technology all over + valve covers and coil covers, KillerGlass Pipe, LMI FIV CAI, 180 Tstat, Magnaflow 3" exhaust
    MPR Motorsports built 6.1 based/392 NA Stroker, BBK 85mm TB, TranZformer, Kooks Long Tubes
    BCR coilovers with Hotchkis sways and Nitto 245/45/20F - 295/40/20R NT555-G2 paws


  6. #6
    Join Date
    Apr 2016
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    Sunset Mesa, CA
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    ^^Although, I believe, if you run true slicks - as opposed to DOT drag radials - a drive shaft loop is required to pass tech, regardless of year or HP. Although it is up to the individual track/inspector whether they enforce that rule.
    06 BB MSRT8 : Forged 393/2.9L Whipple w/ Stand-Alone 8-Rib Belt, 3" Pulley, 20 PSI/Cam & Heads/102mm TB/Ice Box/Fore Dual-Pump Fueling System, E85/1300cc Injectors/SHR War Viking/ProTorque TC - 3000 Stall/DSS Driveshaft & Axles/3.55 Wavetrac LSD/Mopar TCM/JBA Mids/Lakewoods - 50/50 Rear, 70/30 Front/Demon Killer Springs/Wilwood 15" brake conversion/Weld S71s - 15" beadlock rears, 17" fronts/Mickey Thompson ET Street R 275/60R15 rear, Sportsman S/R 28 x 6 - 17 front

    818 HP/784 TQ/10.101 @ 137.64 MPH



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