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Dynod the Viper today...

V

Viper GTS

Lifer
After 3K miles I was rather bored with the performance so we did this as a sanity check just to make sure it wasn't down on power before I put in a 3.55 differential. Seems that it is producing fine power, so gears are going in.

IMG_20120404_153943.jpg


IMG_20120404_155206.jpg

Viper GTS
 
4-anything is nice! I've got a much crappier cellphone cap of my last dyno run in the 3 -somethings 😀
 
They're sending me the real thing but that's what I have for now...

I was pleasantly surprised. The seller advertised it as 500 HP when I bought it (a few simple bolt on mods - pulleys, etc.). Seems that is likely fairly accurate.

Viper GTS
 
the dyno I used was very flaky, we tried to print and it would crash the computer. Shop needs to spend some money on it 🙁
Nice to see some displacement with torque above the HP. Proper.
 
Assuming the gears give it the grin factor I'm looking for that should be the end of the line. If I have a desire for something with more power I'll buy someone else's project and let them take the depreciation hit. Gears are (I'm hoping) a cheap solution to this particular problem.

Viper GTS
 
Viper GTS said:
Assuming the gears give it the grin factor I'm looking for that should be the end of the line. If I have a desire for something with more power I'll buy someone else's project and let them take the depreciation hit. Gears are (I'm hoping) a cheap solution to this particular problem.

Viper GTS
Click to expand...

Damn... i wish i had your 'problem'. 😛
 
JulesMaximus said:
I'm curious why you felt bored with the performance.
Click to expand...

It just didn't feel as fun as 500 HP should. I mean its a quick car for sure but I just expected more. I really expected to be able to induce wheelspin essentially at will in 1st gear but it won't spin the tires at all from a roll. I can toss my mustang and throttle steer easily, this just won't do it with the factory 3.07 gearing.

Viper GTS
 
Viper GTS said:
It just didn't feel as fun as 500 HP should. I mean its a quick car for sure but I just expected more. I really expected to be able to induce wheelspin essentially at will in 1st gear but it won't spin the tires at all from a roll. I can toss my mustang and throttle steer easily, this just won't do it with the factory 3.07 gearing.

Viper GTS
Click to expand...

I wish I had that traction "problem".

My traction goes away as soon as I hit over 15psi on first or second gear.
 
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I am putting 4:10's in my Mustang (up from 3:55), to try and get the WOW factor back. I hope it works for both of us.
 
i know this might be stating the obvious but I have to ask, is there a button to disable traction control? because I can't fathom 500hp not being able to light up the tires.

either that, or you have some super sticky and fat tires
 
brainhulk said:
i know this might be stating the obvious but I have to ask, is there a button to disable traction control? because I can't fathom 500hp not being able to light up the tires.

either that, or you have some super sticky and fat tires
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Traction control. :biggrin: It's a Viper dude!
 
Great numbers! Still drool everytime I see a picture of your car!!


Also was drooling at the dyno room. I hope mine turns out that nice when we get around to building it.
 
Uncorrected numbers, SAE corrected you'll probably be 3-5% below that. great choice on the gears, that stupid factory gearing kills me in the vipers
 
Embrace your traction. My little 2011 5.0 with a blower on it doesn't get traction from a 50 hit on the stock tires. With DRs it's been 10s already but I'd love to have some street-ish tires that moderately hook.
 
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