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Old 02-24-2014, 07:41 AM   #1
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Hennessey turbo charge upgrade

Has anyone purchased and installed this upgrade giving the JK 450 HP?? Anyone w information on not only price, but overall review is appreciated. Thank in advance to my Jeep brothers and sisters.

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Old 02-24-2014, 08:29 AM   #2
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Looks like it's another centrifugal supercharger setup like the RIPP, not a turbo....

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Old 02-24-2014, 11:45 AM   #3
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I wouldnt let Hennesey touch my Jeep with a 10 foot pole! Also, if its from Hennessey, its probably, at least a $15,000 supercharger upgrade.
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Old 02-24-2014, 12:11 PM   #4
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Has anyone purchased and installed this upgrade giving the JK 450 HP?? Anyone w information on not only price, but overall review is appreciated. Thank in advance to my Jeep brothers and sisters.
Hennessey does sell out product and has done a great job installing our stuff on many JK's without issue. We are confident they can fill your needs.

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Old 02-24-2014, 03:47 PM   #5
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have you all taken a JK to 450 HP? I am assuming those are WHP numbers
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Old 02-24-2014, 04:52 PM   #6
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No need for assuming. Look up the details: HPE450 Supercharged Upgrade | 2012 - 2013 Jeep Wrangler | Hennessey Performance

Quote:
Power:
450 bhp @ 5,200 rpm
bhp = at the crank
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Old 02-24-2014, 04:57 PM   #7
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And... Whats the cost?
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Old 02-24-2014, 07:04 PM   #8
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I wouldnt let Hennesey touch my Jeep with a 10 foot pole! Also, if its from Hennessey, its probably, at least a $15,000 supercharger upgrade.
I agree.

He screwed over a number of people with the RAM SRT/10 pickups. And this not rumors. I knew the people.
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Old 02-24-2014, 07:56 PM   #9
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John is a personal friend and isn't the same person from years ago everyone seems to want to bring up. I only just met him in the recent years, but he's a fantastic person and the business practices are on the up and up. He's helped us out tremendously when we need his facilities for road tests and timed tests, and he's given back to the community over and over around here. I'm not here to change any minds, just to state that people aren't always who they were 12 - 15 years ago.


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I agree.

He screwed over a number of people with the RAM SRT/10 pickups. And this not rumors. I knew the people.
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Old 02-24-2014, 08:05 PM   #10
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John is a personal friend and isn't the same person from years ago everyone seems to want to bring up. I only just met him in the recent years, but he's a fantastic person and the business practices are on the up and up. He's helped us out tremendously when we need his facilities for road tests and timed tests, and he's given back to the community over and over around here. I'm not here to change any minds, just to state that people aren't always who they were 12 - 15 years ago.
A friend bought a Challenger str8 from Hennessy and is very happy. He spent way more than I would but he's happy and is any different than Aev charging 62,000 for a jku with a lift and wheels and tires and some bumpers.
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Old 02-24-2014, 08:45 PM   #11
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I agree.

He screwed over a number of people with the RAM SRT/10 pickups. And this not rumors. I knew the people.
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John is a personal friend and isn't the same person from years ago everyone seems to want to bring up. I only just met him in the recent years, but he's a fantastic person and the business practices are on the up and up. He's helped us out tremendously when we need his facilities for road tests and timed tests, and he's given back to the community over and over around here. I'm not here to change any minds, just to state that people aren't always who they were 12 - 15 years ago.
So did he correct the things he did in the pass, or are those people still out? Living in Houston and active in the track communities back then, I knew people who also where not happy, but have lost contact with them.
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Old 02-25-2014, 09:30 AM   #12
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What about all of the Viper guys he screwed over? That was less than 10 years ago. He might be a changed person now, but I am sorry, once you have so many complaints...it doesnt matter to me if you change. The hennessey stuff is usually ridiculously overpriced also. Although, thats the opinion of a poor man.
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Old 02-25-2014, 12:57 PM   #13
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I emailed them today for pricing details. They sent back a flyer stating an installed cost of $10,950.
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Old 02-25-2014, 01:07 PM   #14
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I emailed them today for pricing details. They sent back a flyer stating an installed cost of $10,950.
That doesn't sound out of line.
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Old 02-25-2014, 01:14 PM   #15
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Blowers build boost as the rpm goes up. Don't turbos spool and then you have ull boost? Cant see how this would be ideal for an off road vehicle.
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Old 02-25-2014, 01:18 PM   #16
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Blowers build boost as the rpm goes up. Don't turbos spool and then you have ull boost? Cant see how this would be ideal for an off road vehicle.
It depends on the size of the turbo and the tune. A big turbo may not build boost untill 5500 rpm. Where as a smaller one could be fully pressurized at 1500. Depends on your goals with the turbo. Big hp/ top end ( big turbo and big turbo lag) or lower hp/ low end( smaller turbo with less turbo lag. )
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Old 02-25-2014, 01:20 PM   #17
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It depends on the size of the turbo and the tune. A big turbo may not build boost untill 5500 rpm. Where as a smaller one could be fully pressurized at 1500. Depends on your goals with the turbo. Big hp/ top end ( big turbo and big turbo lag) or lower hp/ low end( smaller turbo with less turbo lag. )
Interesting. Thanks!!
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Old 02-25-2014, 01:24 PM   #18
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Blowers build boost as the rpm goes up. Don't turbos spool and then you have ull boost? Cant see how this would be ideal for an off road vehicle.
Look at Lingenfelter. They've pretty much perfected the turbo. AFAIK, they don't have any plans to make anything for the 3.6L, but turbo's are capable of big boost at low RPM's if done properly.
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Old 02-25-2014, 01:30 PM   #19
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That doesn't sound out of line.

The RIPP Supercharger, which I am sure is similar is $6000 + shipping? Where does that other $5000 come from? It cant take but 6-8 hours for a professional shop to install something like this. Is the labor rate $600 an hour?
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Old 02-25-2014, 01:35 PM   #20
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The RIPP Supercharger, which I am sure is similar is $6000 + shipping? Where does that other $5000 come from? It cant take but 6-8 hours for a professional shop to install something like this. Is the labor rate $600 an hour?
Like any other shop they mark up parts and I would bet that would include some dyno testing as well as a warranty. As always yes it can be done cheaper but this would be for a guy that wants to write a check.
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Old 02-25-2014, 03:08 PM   #21
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I wouldnt let Hennesey touch my Jeep with a 10 foot pole! Also, if its from Hennessey, its probably, at least a $15,000 supercharger upgrade.
This. After years of him ripping off customers, stealing hundreds of thousands of dollars, he can pound sand for all I care. I would never let them touch my vehicle.
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Old 02-25-2014, 03:09 PM   #22
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John is a personal friend and isn't the same person from years ago everyone seems to want to bring up. I only just met him in the recent years, but he's a fantastic person and the business practices are on the up and up. He's helped us out tremendously when we need his facilities for road tests and timed tests, and he's given back to the community over and over around here. I'm not here to change any minds, just to state that people aren't always who they were 12 - 15 years ago.
He never repaid ANYONE that he screwed over. Its nice that he changed his ways but as a business person, your record never goes away. Its too bad, they build some nice things, but I would never risk my own money on em. Maybe if another shop was offering the products/installs.
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Old 02-25-2014, 03:12 PM   #23
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BTW, so we correct the thread title...it is not a turbo system, it is still a supercharger.
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Old 02-25-2014, 04:21 PM   #24
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Yep, as stated in Post #2.
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Old 02-25-2014, 05:42 PM   #25
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So did he correct the things he did in the pass, or are those people still out? Living in Houston and active in the track communities back then, I knew people who also where not happy, but have lost contact with them.
Nope, did not do a thing for any of the owners. They all sold their trucks at a loss just to be rid of them.

And they were honest to the new buyers. In one case he had to be honest at the thing smoked so badly you would have thought that it was a mosquito fogger.
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Old 02-25-2014, 05:51 PM   #26
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John is a personal friend and isn't the same person from years ago everyone seems to want to bring up. I only just met him in the recent years, but he's a fantastic person and the business practices are on the up and up. He's helped us out tremendously when we need his facilities for road tests and timed tests, and he's given back to the community over and over around here. I'm not here to change any minds, just to state that people aren't always who they were 12 - 15 years ago.
During that time another person came on board and stated that he was the new business manager and John was going to concentrate on the engineering/technical side of the business. To my knowledge nothing changed, so I'm sorry to say I still do not have anything good to say about him.

Maybe he has changed, but he is the one that built the bad reputation, not his customers.

Walt out of Oklahoma City was one of his customers. It I remember correctly it took Walt close to a year to get his truck back from John.

When it was finally torn down to see what was done to it, they found that the turbo's were not ones he was charged for, and they were used. The forged rods and pistons were really stock pieces. For the most part he threw old used pieces on a stock engine and charged for a total performance rebuild. And this was the one that I mentioned earlier that smoked so badly.
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Old 02-25-2014, 06:03 PM   #27
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He is certainly lucky as hell to still be in business and in the industry. Same with that Burnville guy who did Hemi conversions.
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Old 02-25-2014, 06:03 PM   #28
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During that time another person came on board and stated that he was the new business manager and John was going to concentrate on the engineering/technical side of the business. To my knowledge nothing changed, so I'm sorry to say I still do not have anything good to say about him.

Maybe he has changed, but he is the one that built the bad reputation, not his customers.

Walt out of Oklahoma City was one of his customers. It I remember correctly it took Walt close to a year to get his truck back from John.

When it was finally torn down to see what was done to it, they found that the turbo's were not ones he was charged for, and they were used. The forged rods and pistons were really stock pieces. For the most part he threw old used pieces on a stock engine and charged for a total performance rebuild. And this was the one that I mentioned earlier that smoked so badly.
That's really disgusting.
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Old 02-25-2014, 06:11 PM   #29
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He is certainly lucky as hell to still be in business and in the industry. Same with that Burnville guy who did Hemi conversions.
What happen with burnville... I was seriously considering that last year.
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Old 02-25-2014, 10:02 PM   #30
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I'd rather know about performance about product vs bashing the owner.

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