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  1. S

    Horsepower and 1/4 mile Experts Please Comment

    Good point. What is your opinion on PS2 vs. run flat. I know noboby likes the run flat but have you run both on your car? How much difference did they make in your opinion? I think I could really make this car fly with some better grip. Just getting the 1-2 shift to the ground would seem to...
  2. S

    Horsepower and 1/4 mile Experts Please Comment

    I don't know your car nor any of the conditions surrounding the runs so I really can't comment on yours. What I do know is that the first time I was out I ran 12 passes and the trap speed didn't vary by .5 MPH (115-115.5). So in this second outing for it to vary 2.6 MPH when the e.t., short...
  3. S

    Horsepower and 1/4 mile Experts Please Comment

    Again, I am not really sure why the lights had impact but they did. My assumption is that the current draw was going up substantially as I ran and loading the alternator more, increasing the parasitic loss. But frankly, I am no charging expert. I am not at home, but when I return on the...
  4. S

    Horsepower and 1/4 mile Experts Please Comment

    Incorrect. The engine was NEVER cold during any of the runs and the headlight change was documented by 3 runs before and 2 after, all within 1/2 hour with that being the only change. First 3 runs the MPH was 120.3, 120.5 and 120.21 which included the best run. Then the car sat for less than 5...
  5. S

    Horsepower and 1/4 mile Experts Please Comment

    A very exciting night at the track and several interesting discoveries about drag racing a viper. Weather conditions were practically perfect: temps in the 40's, high pressure and low humidity. We don't get many drag racing days like this in Florida and it really makes it something. The track...
  6. S

    Horsepower and 1/4 mile Experts Please Comment

    I'll be puting 3.55s in mine in the next two weeks and will give a drag strip report thereafter. Seems like mixed opinions on the effect. Some say none, and others say they help. My experience has been that if traction is as good with the lower gears 1/4 mile performance improves about .1 to...
  7. S

    Horsepower and 1/4 mile Experts Please Comment

    Wow! This is really helpful. Looks like my assumption was pretty much correct. Finally got the actual printout of my dyno run and it was even better than I thought 435HP vs. 428 originally. And given the sub 10 A/F at 3000 RPM plus I think my motor is probably about 445 with the normal 10.5...
  8. S

    Horsepower and 1/4 mile Experts Please Comment

    Well, some mixed news with the dyno test. The good news is there is nothing wrong with this engine. The bad news is it is running extremely rich at WOT (less than 10:1 A/F) which is definitely killing some sizeable power. Actual horsepower at the rear wheels was 428. Given this was a dual...
  9. S

    Horsepower and 1/4 mile Experts Please Comment

    I am a newby with vipers, but I thought these ran quicker than this but with a good launch but I guess not. What is the best 1/4 mile run with a bone stock SRT10? Looking forward to the dyno run tomorrow. If it makes good power then the mystery really thickens.
  10. S

    Horsepower and 1/4 mile Experts Please Comment

    Yeah, and with me running out of third and having to hit 4th right at the end of the run, how in the heck can I only be doing 115? Just doesn't make sense. SHould be around 119+.
  11. S

    Horsepower and 1/4 mile Experts Please Comment

    Hmm! Wouldn't that be interesting. It is a new track and there are other complaints on low MPH through the traps. Was just redone completely. If this proves to be true I think some personnel will be looking for work! But what about he 1/8th mile MPH? Does this look low also to everyone...
  12. S

    Horsepower and 1/4 mile Experts Please Comment

    PM on the way with my email address. Will let you know how it goes tuesday. By the way, I think that was you in the left lane on my first pass. Couldn't tell for sure as you were blowing my doors off. That GTR really moves.
  13. S

    Horsepower and 1/4 mile Experts Please Comment

    Yah, that was me! Glad to hear from you. I looked for you after a couple runs but didn't spot you. Had to be home by 7:30 so I couldn't hang around. I am goint to a dyno up here on tuesday (southern near the turn pike) but depending on how it does I may join you on Saturday. Of course you...
  14. S

    Horsepower and 1/4 mile Experts Please Comment

    Ran 25 psi in the run flats, but I started out at 29 psi. I am not sure the lower pressure helped that much as I changed my launch technique considerably in the interim. Next time out I am going to analyze the tire pressure impact a bit more. Will be heading to the dyno on Tuesday to end the...
  15. S

    Horsepower and 1/4 mile Experts Please Comment

    Based on the speed calculator they are. Very long first gear and tachs not quite 1500 in 6th at 80 MPH.
  16. S

    Horsepower and 1/4 mile Experts Please Comment

    Here also, look at the MPH at the 1/8th mile. These are 2-3 mph faster than mine even though my e.t. compares probably because of my quicker 60 foot time.
  17. S

    Horsepower and 1/4 mile Experts Please Comment

    You made me think of something I hadn't before. Are you guys going through the traps in 3rd or 4th? Just ran a calculation on my Power/Speed calculator and it shows at 6000 RPM car should be doing 121 MPH in 3rd. But it seems on the track that I would have hit the reve limiter if I left it in...
  18. S

    Horsepower and 1/4 mile Experts Please Comment

    Already do! 1969 427/435HP tripower convertible.
  19. S

    Horsepower and 1/4 mile Experts Please Comment

    I am powershifting all gears and running it right to the redline 5800-6000. Also, was carrying about 1/2 tank of fuel.
  20. S

    Horsepower and 1/4 mile Experts Please Comment

    I am new to the Viper community with my recent purchase of an 06 vert. Absolutely love the car and took it to the track last night. I own some other high horsepower muscle cars so I am familiar with tricky launching on street tires. It took a few passes but I got the 60 foot down to 1.88 on...
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