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Buy or Not

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Discussion Starter · #1 ·
New member here. I have a Gen 2 GTS and I'm wanting another Viper. After spending hours reading about Gen V engine issues I've decided to get a Gen 3 or 4. I ran across a 2006 that supposedly at some point in time posted 910 rwhp on E85. That's according a dyno sheet taken yesterday or a decade ago, no one knows. I'm hoping someone on here recognizes this car. I really want it but I have no idea who built it. Supposedly it has forged pistons but in tracking down previous dealer ads not all show forged pistons. Any advice is appreciated.

Current ad for the car:

Previous dealers ad:

Another previous dealers ad:

Video 1 current dealer:

Video 2 (Sounds kinda not as smooth as the current video):

Video 3 (Yet another dealer)

Carfax (Anything concerning? This thing has bounced a few dealers lately):
 

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Without knowing much more about the build, you better buy it right. Who knows the trouble you could be buying.

Leak down test at a very minimum and get some good eyes on it
 

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Can't think of any viper tuners I'd trust in Illinois. Just noticed at least 5 previous owners ? I'd be expecting to get this car cheap without much more info on the build and car
 

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Discussion Starter · #4 ·
Can't think of any viper tuners I'd trust in Illinois. Just noticed at least 5 previous owners ? I'd be expecting to get this car cheap without much more info on the build and car
Thanks for the feedback. The leak down test is a good idea. I'm not sure how much that runs on top of a standard PPI but I could get some quotes. Finding tuners has been difficult. We have 91 octane here in SLC. The car is currently tuned for 93. Honestly, this dealer has about zero knowledge on who tuned or did what so maybe it's tuned for 91, its anyone's guess. Unfortunately the two big speed shops here can't tune it. I emailed someone people have used here in Cali and I'm waiting for a response. Calvo, the big boys want $15k to tune it but they also require a Motec.

Concerning the car priced too high. I don't know about that. I understand mods especially without documentation scares people off but it does appear to be a fully built car. Just from a visual it looks well done. I know that's a gamble, but gambling on Tesla bought my first Viper lol. I think the car is likely priced right based off the insane demand for vehicles right now.
 

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Paxton had a great package for Vipers. Put out about 800 hp on a stock motor. Usually included a couple extra fuel pumps mounted in the engine bay. A device was installed to reduce timing as the revs increased. The cars were pussy cats to drive. Down low they felt like just a really well tuned Viper. No stumbles or surging. Mild boost built smoothly at revs. At above 3,000 rpm the turbo came alive and poured out the power. Kept the stock rev limit, and many would shift early to reduce traction issues. Problem seemed to be when owners built them over the 800 hp. Then all bets were off as additional stress often overwhelmed the stock components.

A prudent buyer would have the car looked over and driven by an experienced Viper tuner. Risks are significant when buying from an unknown tuner.
 

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Discussion Starter · #8 ·
Paxton had a great package for Vipers. Put out about 800 hp on a stock motor. Usually included a couple extra fuel pumps mounted in the engine bay. A device was installed to reduce timing as the revs increased. The cars were pussy cats to drive. Down low they felt like just a really well tuned Viper. No stumbles or surging. Mild boost built smoothly at revs. At above 3,000 rpm the turbo came alive and poured out the power. Kept the stock rev limit, and many would shift early to reduce traction issues. Problem seemed to be when owners built them over the 800 hp. Then all bets were off as additional stress often overwhelmed the stock components.

A prudent buyer would have the car looked over and driven by an experienced Viper tuner. Risks are significant when buying from an unknown tuner.
The behavior of the Paxton seems ideal for a car without traction control. In searching through forums everyone lists Roanoke Motors as the Viper experts in Illinois. I contacted them to see what they can do. It would be ideal if they could go over the car for me.
 

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Stock tune, with a Paxton I believe should be closer to 700hp. If it was tweeked to 1000hp, without forged parts, that would be a huge concern. Defiantly not an expert, but I'm guessing you could drop the pan and see if the pistons are stock, or upgraded. Which would be a definite plus!!
I have a Paxton on my Gen3 and it is great to drive around...prob around 700hp, not tuned to get the most HP.
 

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Stock tune, with a Paxton I believe should be closer to 700hp. If it was tweeked to 1000hp, without forged parts, that would be a huge concern. Defiantly not an expert, but I'm guessing you could drop the pan and see if the pistons are stock, or upgraded. Which would be a definite plus!!
I have a Paxton on my Gen3 and it is great to drive around...prob around 700hp, not tuned to get the most HP.
I agree, I have the Paxton setup on my SRT10 Ram truck, internals still stock, on just 4psi of boost it has dyno'd multiple times at around 570rwhp and 560rwtq, and this is with an auto trans and 2 piece drive shaft, so around 700 fly wheel is about right. Also has long tube Belanger headers and hi flow cats. 69# injectors and a very non-agressive tune from Torrie at Unleashed Tuning as I use this truck for towing my other cars around a lot and it has been across country multiple times and is very reliable.
It had the standalone Paxton FMU unit with the added external puller pumps, but it started causing issues with the engine just shutting off driving down the road unexpectedly....removed all of that and put in the 69# inj with a tune and no issues for the last 4 years now. 70k miles on it, and the Paxton has been on it since 15k miles.

About to put the same kit on my '05 Viper!
 

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I bought that car, just arrived this morning. Has a lot more than advertised, put 85 miles on it today with zero hiccups. Datalog shows 12lbs only 12 degrees of timing. Going in for a tune in two weeks.
Stock motor? If so, let us know if it survives the tuning session on the dyno
 

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I haven't. Never really looked into them. Looks like they cost money but you get stuff in return?
You snooze, you loose. Those cars sold fast!!! I have a 2006 B/W project I might sell
 

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Nice, hope it lays down some big numbers!!
 

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Discussion Starter · #19 ·
Congrats on the car! Funny how some say “ Snooze you lose” and others were saying the car wasn’t worth the price. To me it definitely looked worth the price. I didn’t pull the trigger because I just couldn’t get enough info on the build. I wanted to send the car off to a shop to get leakdown, compression, and an unbiased opinion on the health of the cat but no one I contacted would respond. I realized that deal always pop up, you just have to be patient. I’m thrilled you got a great car. I think some people feel like I should be upset or something because I missed out but why would I be unhappy that another viper owner got a great car? I ended up getting a 98 Twin Turbo Viper GTS with full documentation including blueprint records for the Proline built engine. Last Tuesday I drove 16 hours driving from SLC to cali, fighting traffic in and out staying the night in Vegas before heading home the next day. I’ll try and post a pic of the car. Like you I also want to tetune mine. I’m looking at having A&C Performance tune the car. I’m also thinking of having them pull the engine and trans and refreshing everything. I would have probably done the same has I purchased that yellow car.
 
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