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    Need your input on rear diff bang . I did search forums. Need help

    Sounds like a broken spider gear, if you have a 03 this is common. A Wavetrac posi is the hot ticket right now. If you are on a budget there are plenty of used posi's out there. I am sure VPA has them.
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    Head Scratcher ... Dodge Can't Help ... Drive Cycle Readiness. Help?

    It seems to me there was a reflash for the early 03 Viper's to get the car to pass the evaporative monitor. Do you want me to check?
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    Help Diagnosing Noise form Rear

    First check those upper and lower shock mounts. Grab the rotor and move it up and down to see if there is any play in the suspension. Another thing to check is the inner parking brake pad. They wear down and come apart, that could be the scrapping noise.
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    Troubleshooting help: Ignition locked out?

    This sounds like a ground or battery issue. Even if a battery is two years old it could be bad. There are two grounds that are very important. Battery to frame and frame to engine. If either of these are loose or have a bad connection the problem you describe could happen. First you need to do a...
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    ACR-X ECU

    The ACRX computer is a track specific calibration that runs open loop and requires high octane fuel. Calibrations are often changed by SRT for differing tracks and elevations. Best computer for the club racer or bolt on performance Gen 4 would be the MPP controller. Be aware the the MPP...
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    Heat question? kinda weird

    That correct, heat will not blow out of the center vents. They could not package it.
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    How are you rewiring the harness in your door?

    New door wiring harnesses are available (I am sure VPA can get them). I always replace them. Repaired ones seem to go bad again and I have never had a replacement go bad. Must of done 50 of them.
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    New owner! Gas smell question

    Need to know the year model and modifications.
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    Help with Cat Delete Codes (420 & 430) 0n Gen. IV

    Your best bet is to change to the Mopar Performance Controller. It has a calibration that works well without cats and the check engine light will not come on.
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    Oil Pan Gasket Question/Observation

    It could be the rear main seal cover gasket, I had this issue on numerous 1996-7 Coupes as the gasket material had a defect that made it shrink. You think the oil pan is leaking because there is oil there. Have not had any issues with the aluminum gasket.
  11. D

    Low Cold Start Idle and Stall

    This could be an idle control motor issue as well. The IAC motor does not want to work when cold, if your battery checks OK this is most likely the cause.
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    99 ACR w/ exhaust dyno results

    Your numbers are in the range they should be. Stock engines can vary about 5-7%. You could get some more power with a custom tune. If you run on 91 octane fuel then do not get a 93 tune. These engines are very knock sensitive. A tune with more timing may feel good down low but can damage the...
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    do gears actually increase HP?

    Changing the gears does increase the applied torque to the wheels, torque gets you down the road. The first Cummings truck Dodge put out made 150hp but 400torque. Lower gears do not help unless you can get traction, so consider a better posi when you do a gear change.
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    Another New Owner

    I love the Yellow cars. They really make a statement.
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    SRT Chat is now LIVE at >>>

    Can you comment on the new race Viper and how it differs from the original GTSR. Is the engine displacement the same as the the standard engine? Will these cars be available to private race teams? Thanks for all your great work. Dan
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    Recall on 06 viper headers?

    Your manifold most likely has a crack. Best repair is to remove it and have it welded. Once rewelded they never crack again. Engines that are cold started a lot and driven short distances seem most likely to have this problem.
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    DC Performance closed : <(

    Hi Everyone, I would like to thank all of you for your support over the past 20 years. Economic times can be hard on a small business and unfortunately we could not whether this storm. Our operation with 9 employees was just too big to make economic sense. Moving forward I do want to let all my...
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    How Earth Straps Increase horsepower

    I did find that grounding aluminum radiators reduced oxidation and corrosion. My 2 cents, if it helps.
  19. D

    Only 640 hp? WTF

    I think it will be no problem to get this engine to 700hp and pass emissions in all states. I cannot wait to get one!
  20. D

    Who is interested in a Gen 2 adjustable coilover set for less than 1400

    I think Cory at collector's choice has an adjustable shock setup for around 2k
  21. D

    3" pulley results (heads/cam/paxton)

    Ask Matt about his Stealth!
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