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  1. V

    Can anyone explain why the Mopar ECU takes away popping/cracklin from exhaust?

    Can someone shoot me the part number for the Mopar ECU? I want to buy one for my 2009 Viper. Has anyone noticed a change to exhaust tone (stock exhaust) or db level with the new ECU? Thanks for the help - jm
  2. V

    Need a flywheel, HELP!!!!

    I've got a stock 03 flywheel that has 3K miles on it that I am willing to sell cheap. Let me know if you are interested. Otherwise, I would check with Dan Cragin at DC Performance. jm
  3. V

    Cost of built motor

    Totally agree, the cost is more likely going to be in the $15K range. I had Kevin from Exotic build my motor and it is truly artwork. The motor produced 600 hp normally aspirated, 800 rwhp at 6K feet with 12 lbs of boost. Eng coolant temp stays at 180 degrees under all driving conditions and...
  4. V

    BBK twin 67mm thottle body

    I don't have an AFR gauge. Dan Cragin built and tuned the motor, may have some issues due to the tune being done at sea level and I live at 7K feet. I didn't notice the hesitation when the car was shipped to CO, progressively got worse over the past month or so. I did send Dan a dyno sheet...
  5. V

    BBK twin 67mm thottle body

    Anyone having trouble with a hesitation under soft acceleration? I definitely have the idle issue, sticks around 1400 before dropping down to 700 rpm. But I am more frustrated with a hesitation around 2200 rpm - 4500 rpm. Under hard acceleration or full throttle the hesitation goes away. Any...
  6. V

    Quaife Differential question

    No, not as noticeable from a standstill. Although I get a lot of wheel spin in 1st & 2nd gear under hard acceleration which will prevent the car from going left. I really notice in the higher gears, third and fourth, where the car hooks up and accelerates hard. I really hae to work hard on the...
  7. V

    Quaife Differential question

    Got a four wheel alignment after getting the ACR pilots installed. Ride height, tire pressure and alignment was all set before the car was shipped back to CO. The car tracks fine at normal speeds, goes hard left under acceleration. This definitely feels like a problem with the diff...
  8. V

    Quaife Differential question

    I am experiencing a very strange pull to the left under hard acceleration. Feels like the posi is not balanced between the two wheels, the right wheel is pushing harder than the left and sending the car hard left. Has anyone experienced this issue and know what are possible fixes? The Quaife...
  9. V

    Looking for a 2008 ACR

    Check with Perkins Dodge in Colorado Springs - they are expecting to recieve their ACR any day now - 800-906-8340. jm
  10. V

    Rods/Pistons question

    Dan L. is dead on, there are tons of little details that add up very quickly. I am actually having Dan Cragin rebuild my bottom end for the exact same purpose. The price tag is signficantly north of what has been posted. I am keeping original block, crank and heads - all other parts are being...
  11. V

    Passenger window

    Wow, hope its not the modulator, my viper is out of warranty. Actually window operation is fine, this is more of an electronic clicking that is coming from under the dash (driver side). The light flickering seems to be related, occurs when I raise the passenger window. I can trigger the click...
  12. V

    Passenger window

    I have a clicking sound when opening or closing the passenger window; also tends to create a small flicker in the console lights. The driver side does not have the same issue. Is anyone familar with this issue, or know the remedy? Thx - jm
  13. V

    What intercooler should I buy for my Paxton S/C?

    I am in the market for an intercooler and wanted to find out which one is best with Paxton S/C. I am also wondering how much boost others have applied with a stock block? Would consider rebulding the block to beef up rods, pistons, etc. but wanted to see if I can get away with adding a bit more...
  14. V

    Motons are in Finally!

    Valaya Racing installed my Penske suspenion. The car was corner balanced and it handles great. I believe Valaya only installs Penske, so there are several Vipers in the Bay area with this set-up. I haven't heard that many comparisons, thus my question. But I am 100% satisfied with the Penske...
  15. V

    Motons are in Finally!

    Just curious if there is a noticeable difference between Motons and Penske? I went with Penske and love the set-up. There is definitely a bias to Motons, what am I missing? jm
  16. V

    70 Paxton SRT's Supercharged!

    What boost is everyone running to get 700 rwhp? I am running 6 lbs and came away with 640 rwhp (sae). I am considering 8 lbs with the pully mod, but not sure if I am going to create engine problems?? Like to get some feedback from Dan C. or Mark J. on this topic. Dan Cragin installed my Paxton...
  17. V

    Which TT package is most reliable?

    Thanks for the feedback. I am likely going to Hennessey for the TT given they are closer to CO and all their TT packages include rebuilt stroker motor. I am more worried about the stress of high PSI on anyone cylinder and component failures. The S/C system has proven reliability with lots of...
  18. V

    Which TT package is most reliable?

    I am considering a TT package for my 03 SRT10 and wanted to get input from the forum on which TT Vendor and package is most reliable. I am also interested to know how much elevation would impact the TT system? I live in Colorado Springs (elev 6700) and noticed my Paxton dies at 5K rpm. Thx for...
  19. V

    Resale price for stock wheels/tires

    Bill, You are right, to replace a wheel from the factory is $2400. I priced one out as part of my research. I have thought about keeping the wheels, but really don't see a need to hang on to an extra set given my driving record to date. I would think other Viper owners who do a ton more driving...
  20. V

    Resale price for stock wheels/tires

    Great feedback, I would be really happy if I got $2.5K. I was thinking more like $2K given they are the original 10 spoke wheels. Both wheels and tires are in great shape, the car spends way too much time in the garage. These wheels are going to be at Valaya Racing in San Jose if anyone is...
  21. V

    Resale price for stock wheels/tires

    I am selling my stock wheels and runflats, 8K miles. Have no idea what they are worth and would prefer not to go Ebay route. Please shoot me some ideas; if anyone is interested send me a private email. Thanks!
  22. V

    Which High Flow Cats to use with Corsa Track Exhaust?

    I have all four cats still in the car. From what I understand the stock cats are very inefficient and run extremely hot (culprut for much of the interior heat). Transitioning to a high flow cat reduces heat and will improve exhaust flow. I am concerned about noise levels and how this will...
  23. V

    Which High Flow Cats to use with Corsa Track Exhaust?

    I've seen several posts on exhaust and headers and very few on actual Cats. I am going to a high flow cats and wanted to get some guidance on which ones are most effective with the Corsa Track and Paxton? I am not 100% satisfied with Corsa Exhaust note, specifically after the engine has heated...
  24. V

    who's has used "low profile spring caps?"

    Re: who\'s has used Dan Cragin installed my spring caps late last year. I am sure he looked at them during install to ensure they sit level on the spring under load. I will ping him to see if he can comment. So far I've been pleased with the change, no issues with shocks or travel. You will...
  25. V

    More Viper SRT rumors

    Where does the HP frenzy stop? At some point thees cars will become death traps. I've got a Paxton in my car and it scares the hell out of me. I watched three stock vipers slide into the grass during my SRT Track experience, granted it was wet but still these cars are getting radically out of...

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