Recent content by Dyno Dave

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    Gen 3 - Crankshaft pulley bolt --add me to the list.

    The damper must be seated all the way before torquing the bolt. There is a tool to do this. Trying to pull the damper on with the bolt will not bottom it. That is why it comes loose. It wasn't assembled properly.
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    Troubling Dyno results for Stock 2006???

    How high were the intake charge temperatures? The engine becomes more knock sensitive with elevated temperatures and pulls spark and adds fuel to compensate. If I remember correctly this starts to happen about 95 degrees F intake charge temp. Chassis dynos are notorious for not having...
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    Car & Driver does it again.......

    At One Lap the word on the GTR was that is only fast on the XBOX.
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    Hennessey 2008 ACR in One Lap of America ..... looking good !!!!

    Chris unhooked the rear swaybar for the wet skid pad and he is deeply regretting it. The car oversteered badly resulting in the poor performance. But he is a man possessed and with some help will knock Davia off the top of the heap.
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    2008 Long tube headers need tuned ??

    Yes, specifically what I've mentioned is about the '08.
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    2008 Long tube headers need tuned ??

    After working on these engines for the last couple of years I would venture to say that you should be able to pull some fuel out, maybe quite a bit, at top end with headers. I never got the chance to run any headers but I would expect them to want the exhaust cam timing to have an earlier...
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    Im doing the comp coupe cam

    Never,EVER put a cam in without degreeing it in (unless it's your lawnmower). There can be significant power to be had so make sure it is correct. A stock '00-'06 cam should have the intake centerline at 120-122. You will find a lot of them at 127-128 and it kills the torque curve down low...
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    08 Viper parts work on 03-06 Vipers?

    The engine is basically the same design but many features are very different. The fasteners are now all metric. The pushrod angle has changed. The lifter bores have rotated upward with respect to the cam bore centerline to straighten out the pushrod angle. The oil pump is larger and the way...
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    Official ACR info

    Trust me. It's BAD ASS!
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    SRT Engineer Chat HERE on September 19th!

    Thanks Hollywood and Winkey.
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    08 forged bottom end ??

    No, it does not. It uses the piston/rod assemblies from the 6.1L Hemi.
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    PCM says engin too cold: Code 1281

    It won't run in closed-loop nor update any fuel adaptives.

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