Livernois Racing vs. Hennessey Performance

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Sardinutz

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Any opinions out there on which is the better? Safer? Best bang for the buck? Hennessey claims 445hp, but I don't see any figures from livernois..
 

Billm0066

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Go with Livernois. Hennessey makes nice stuff, but it's overpriced. Livernois has tuned almost 200 ecoboost cars so they know what they're doing. I would love a Hennessey intake, but i'm not going to shell out $1,300 for a couple of hp and some bling.
 

dbulldog

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I dealt with 'him' directly back in the early 90's. He said he was starting to build custom cat back exhausts for my then new '93 Probe GT. He took $800 from me, and said 3 weeks to deliver. It took me six months and several calls to him and the credit card company to get my money back on a product never built let alone delivered! I learned my lesson..:scared:
 

darreli

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Go with Livernois. Hennessey makes nice stuff, but it's overpriced. Livernois has tuned almost 200 ecoboost cars so they know what they're doing. I would love a Hennessey intake, but i'm not going to shell out $1,300 for a couple of hp and some bling.

I agree with this. In addition, although I cant confirm it, I heard the Hennessey car blew an engine. I do see that originally they had a bunch of stuff planned for the ecoboost cars and they havent done anything in a long time....kinda makes me think the car blowing up story may be true. I too have the intake and I think its a nice piece but they are pretty pricey.

I have the quickest SHO thats known and I run a Livernois tune...enough said
 
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SHOspazz92

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The Hennessey cars have not turned the numbers that the Livernoise cars have, thats for sure (In the 1/4). Not to mention, while their pipes are nicely made, they don't directly fit. IIRC, Kirk at NESHO had to do quite a bit of work to get them to actually fit properly.

I would go with Livernois hands down.

-Sam
 

LMSRick

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Sardinutz, please let us know if you have any specific questions. We've never had the 4+ tune on the dyno. The stage 2&3 were developed on the dyno and then street and track proven. The 4 & 4+ were developed with a wideband on the street and track and definitely perform great!

Darreli has the quickest known Gen IV SHO and I believe he made 400 whp on out dyno. Others claim more power, but the track numbers don't support the claims. See the video in my sig for proven track results.

I'd like to thank everyone for the kind replies!!!

Thanks,

Rick
 

SuperHO

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if nothing else, LMS is represented right here on SHOForum, whereas I have yet to see a single person from hennessey pop in to ask the Gen IV crowd what they're looking for in performance...besides, Rick's damn nice people. I don't even own a Gen IV, but he still took an hour out of his undoubtedly busy schedule to give me a guided tour of the place, complete with nut-and-bolt description of most of the projects. There's no question these guys'll be gettin money from me in the future.
 

EcoBrick Bob

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Other than the PROMOS they make showing their FAST vehicles, I have never heard anything good about Hennessey. Many lawsuits, damaged vehicles etc.... I remember years ago when they brought their Viper's to be tested by reputable Auto magazines, and the cars having big issues, and never performing much better than stock.

NO COMPARISON BETWEEN "H" & LIVERNOIS...
 

steve142857

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Livernois is so good, I even have their sticker on my windshield! Everybody saw that MKS tuned by Hennessey with a CAI and exhaust that they sell for around 4.5K$ and they did low 13 sec. and claim 435hp. With same mods but using Livernois stage 4+ tune, I now run in the 12.7's and many others like me are now under 13's. All that, with almost 200 tuned cars and 0 defects!
Go with Livernois and you wil lhave made the best decision for sure and more over, you will get all the support from Rick, his team and the rest of us.
Enjoy!
Steve
... And for a third of their price!
 
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Sardinutz

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I hate to admit, that I have already purchased the Hennessey tune via SCT tuner, before I had ever heard of Livernois, in fact, I hadn't heard of Livernois until I joined this forum, quite recently. I did alot of -what I thought was- research on upgrading the SHO, and most of the time Hennessey kept coming up. I had heard of Hennessey 15 years ago for the work they did on their Vipers... had I seen Livernois first, I may have gone with them, and for the price, how could one go wrong? SO FAR.. I have only installed the tune. I have not installed the CAI, probably when I get time next week. Pricey, yes. Claimed 26HP for $1300, but with the only other CAI being Airraid offering only 8-9hp, I am going with HP. I will let everyone know how things work out with the Hennessey setup, I can say so far that I am VERY impressed with the tune I installed, the car accelerates MUCH faster. Perhaps once I get over the $2000 I spent on HP, I will buy a livernois tune. Rick, maybe you can answer this for me..the SCT tuner can hold 3 tunes. I only use one of them, perhaps I could eventually put 2 of your tunes on it?
 

steve142857

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I hate to admit, that I have already purchased the Hennessey tune via SCT tuner, before I had ever heard of Livernois, in fact, I hadn't heard of Livernois until I joined this forum, quite recently. I did alot of -what I thought was- research on upgrading the SHO, and most of the time Hennessey kept coming up. I had heard of Hennessey 15 years ago for the work they did on their Vipers... had I seen Livernois first, I may have gone with them, and for the price, how could one go wrong? SO FAR.. I have only installed the tune. I have not installed the CAI, probably when I get time next week. Pricey, yes. Claimed 26HP for $1300, but with the only other CAI being Airraid offering only 8-9hp, I am going with HP. I will let everyone know how things work out with the Hennessey setup, I can say so far that I am VERY impressed with the tune I installed, the car accelerates MUCH faster. Perhaps once I get over the $2000 I spent on HP, I will buy a livernois tune. Rick, maybe you can answer this for me..the SCT tuner can hold 3 tunes. I only use one of them, perhaps I could eventually put 2 of your tunes on it?
And you can keep as many tunes in your computer and replace them on your device whenever you want... Maybe one Hennessey, when you don't want to go too fast and two Livernois tunes when you want the car to speed up! lol! Let us know when you get a chance to compare.
Cheers!
Steve
 
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mjhpadi

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SO FAR.. I have only installed the tune. I have not installed the CAI, probably when I get time next week. Pricey, yes. Claimed 26HP for $1300, but with the only other CAI being Airraid offering only 8-9hp, I am going with HP.

Not to be abrasive, but I don't believe anyone, I mean ANYONE could honestly even print that a CAI alone would add 26 HP, no way, no how!! I would have never believed anything like that doesn't matter who offered it, especially since my experience with CAI's is that the offer no "seat of the pants" performance improvement. Besides, Airaid has been here longer then I have and support this forum, and the Gen IV. David from Airaid has been great at supporting us with great customer service, so I would consider returning the Hennessy and getting the Airaid, besides I believe Airaid's Hp numbers are much more honest then the other company. Just a thought but being about to save a $1000.00 by purchasing the Airaid, you could afford a lot of other performance improvements and still be a head of the money game. Good luck, I have found the guys (and girls) here don't steer you wrong, so listen to what they have to say.
 

LMSRick

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Rick, maybe you can answer this for me..the SCT tuner can hold 3 tunes. I only use one of them, perhaps I could eventually put 2 of your tunes on it?

You are correct, the tuner will hold 3 files. Since you have the tuner, we can email you our files for $200. The Airaid CAI is what we always sell for these cars and on the dyno, that and the Hennessey make the same power.

Thank you,

Rick
 

steve142857

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Not to be abrasive, but I don't believe anyone, I mean ANYONE could honestly even print that a CAI alone would add 26 HP, no way, no how!! I would have never believed anything like that doesn't matter who offered it, especially since my experience with CAI's is that the offer no "seat of the pants" performance improvement. Besides, Airaid has been here longer then I have and support this forum, and the Gen IV. David from Airaid has been great at supporting us with great customer service, so I would consider returning the Hennessy and getting the Airaid, besides I believe Airaid's Hp numbers are much more honest then the other company. Just a thought but being about to save a $1000.00 by purchasing the Airaid, you could afford a lot of other performance improvements and still be a head of the money game. Good luck, I have found the guys (and girls) here don't steer you wrong, so listen to what they have to say.
The only thing I don't like about the Airaid CAI (and I think the Hennessey is better for that but not sure), is that the tubing does a 180 degrees and goes from 2.3-3'' to about 1.5'' more restrictive. I know that I wanted to have a custom CAI that would have kept the 180 degrees but would have used an oval tubing for the portion closer to the engine. So it would have fit, but the oval would have removed the restriction in it... So, I believe that one CAI that could do that (again does Hen does that?) could see a little imporvement over the Airaid, but I really doubt about the 26hp... maybe 10hp...
But all the rest about the service, the been there longer, the support to this forum and the cheaper price all go in favor of saving your $ and go with Airaid...
 

Sardinutz

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Perhaps Hennessey is fudging numbers, perhaps not. They do post the dyno charts, sure they could even fudge those too, but I find it hard to believe a company like Hennessey, who is actually registered with NADA, would false advertise, especially if it were to get out, it would ruin them. I'm not trying to argue in HPs favor, but it seems most of the posts here in favor of Livernois are made by those who have dealt with them, installed their tunes, and have experience with them...yet, those speaking against HP have no experience dealing with the package for the SHO.. I am open to opinions, sure, but I am one who needs to see things for myself. I will gladly be the sacrificial lamb who spent double the money I could have to see how HP really performs. Not to take anything away from Livernois, they seem like a solid company and certainly have the respect and praises of everyone here.. I am going to go ahead and install the HP intake, and take it to a local Dyno here in Buffalo, I will post the results. I mean, what the ****, the money is already spent, right?
 

LMSRick

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The only thing I don't like about the Airaid CAI (and I think the Hennessey is better for that but not sure), is that the tubing does a 180 degrees and goes from 2.3-3'' to about 1.5'' more restrictive. I know that I wanted to have a custom CAI that would have kept the 180 degrees but would have used an oval tubing for the portion closer to the engine. So it would have fit, but the oval would have removed the restriction in it... So, I believe that one CAI that could do that (again does Hen does that?) could see a little imporvement over the Airaid, but I really doubt about the 26hp... maybe 10hp...
But all the rest about the service, the been there longer, the support to this forum and the cheaper price all go in favor of saving your $ and go with Airaid...

You are correct about the tubing, but it doesn't seem to make a difference in power. We've tested both and they make the same power.

-Rick
 

mjhpadi

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The only thing I don't like about the Airaid CAI (and I think the Hennessey is better for that but not sure), is that the tubing does a 180 degrees and goes from 2.3-3'' to about 1.5'' more restrictive. I know that I wanted to have a custom CAI that would have kept the 180 degrees but would have used an oval tubing for the portion closer to the engine. So it would have fit, but the oval would have removed the restriction in it... So, I believe that one CAI that could do that (again does Hen does that?) could see a little imporvement over the Airaid, but I really doubt about the 26hp... maybe 10hp...
But all the rest about the service, the been there longer, the support to this forum and the cheaper price all go in favor of saving your $ and go with Airaid...

Steve, I just can't believe that one bend and reduction in tubing size is worth over a $1000.00 dollars more....sorry, but no way is that a good use of money. Besides, as LMS Rick states, in the real world there is no difference in dyno numbers (I completely believe that to be true) soooo if you want to waste a grand that's fine with me, but that could go a long way towards other things that really would improve performance.
 

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