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Old 05-28-2021, 06:34 AM   #1
1AL37
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Hennessey - Callaway - Yenko

Who has the better platform for a 2021-2022 ZL1?
Are their any others?
Go!
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Old 05-28-2021, 12:28 PM   #2
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Quote:
Originally Posted by 1AL37 View Post
Who has the better platform for a 2021-2022 ZL1?
Are their any others?
Go!
Hennessey did a nice job with my Stage I. I've never owned a Callaway or Yenko. Katech is also a top ZL1 shop as is LPE.
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HPE Stage I Mods (7/20)
10% pulley, Custom valve train/PP heads, Kooks Long tubes, green cats, Custom heat exchangers, RotoFab

CAP Stage II Mods (5/21)
Kong ported blower/snout, NW 103mm ported TB, FII blower spacer plates & thermal reduction blanket, Griptec snout pulley 2.4", MMS Mild catch can, ADM ultra large intercooler coolant reservoir, DSX low side pump, AntiGravity, 91 and 100 octane tunes
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Old 05-28-2021, 04:02 PM   #3
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Stage 1 was that HPE750?
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Old 05-28-2021, 07:38 PM   #4
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Quote:
Originally Posted by 1AL37 View Post
Stage 1 was that HPE750?

850
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HPE Stage I Mods (7/20)
10% pulley, Custom valve train/PP heads, Kooks Long tubes, green cats, Custom heat exchangers, RotoFab

CAP Stage II Mods (5/21)
Kong ported blower/snout, NW 103mm ported TB, FII blower spacer plates & thermal reduction blanket, Griptec snout pulley 2.4", MMS Mild catch can, ADM ultra large intercooler coolant reservoir, DSX low side pump, AntiGravity, 91 and 100 octane tunes
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Old 05-29-2021, 04:12 AM   #5
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JSH
Do you have any 0 to 60 and quarter numbers? And pics of the mods
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Old 05-29-2021, 01:55 PM   #6
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Quote:
Originally Posted by 1AL37 View Post
JSH
Do you have any 0 to 60 and quarter numbers? And pics of the mods
No times, still waiting on rear wheels/DRs. Here's a video of the car at Chapman Auto Performance, that did my Stage 2 work. Hennessey did Stage 1.


I'll take another video that shows more of the details.
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HPE Stage I Mods (7/20)
10% pulley, Custom valve train/PP heads, Kooks Long tubes, green cats, Custom heat exchangers, RotoFab

CAP Stage II Mods (5/21)
Kong ported blower/snout, NW 103mm ported TB, FII blower spacer plates & thermal reduction blanket, Griptec snout pulley 2.4", MMS Mild catch can, ADM ultra large intercooler coolant reservoir, DSX low side pump, AntiGravity, 91 and 100 octane tunes
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Old 06-01-2021, 12:10 PM   #7
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I currently have one of the Hendrick/Callaway for Hertz cars and am selling it(Prefer Corvette platform). I have had experience with Callaway, LPE, and Hennessey by personally owning all. I haven't owned a Hennessey in anything other than a Viper though. The Yenko's I only know through second hand experiences I have driven a couple though.

1. Raw power/performance - LPE. Their packages make the most power if you have other cars this may be the way to go.
2. Complete Package/Support - Callaway. By far if you are looking for more power and absolute reliability this is the way to go! They have a dealer network, any place in the nation you can get your car worked on etc. It may not be as much power but for a complete package they are the way.
3. Scammer - Hennessey. There is no way that this company should be trusted in any way. They screwed a TON of Viper owners back in the day.

If this were a purpose built car for racing that I could have down for months at a time it would be LPE, otherwise I am going to have a Callaway setup.
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Old 06-01-2021, 07:02 PM   #8
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Quote:
Originally Posted by OldHoster View Post
I currently have one of the Hendrick/Callaway for Hertz cars and am selling it(Prefer Corvette platform). I have had experience with Callaway, LPE, and Hennessey by personally owning all. I haven't owned a Hennessey in anything other than a Viper though. The Yenko's I only know through second hand experiences I have driven a couple though.

1. Raw power/performance - LPE. Their packages make the most power if you have other cars this may be the way to go.
2. Complete Package/Support - Callaway. By far if you are looking for more power and absolute reliability this is the way to go! They have a dealer network, any place in the nation you can get your car worked on etc. It may not be as much power but for a complete package they are the way.
3. Scammer - Hennessey. There is no way that this company should be trusted in any way. They screwed a TON of Viper owners back in the day.

If this were a purpose built car for racing that I could have down for months at a time it would be LPE, otherwise I am going to have a Callaway setup.
I'm very pleased with HPE's work. I have no knowledge or interest in what they are rumored to have done wrong in the past. I've heard stories about every shop in America.
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HPE Stage I Mods (7/20)
10% pulley, Custom valve train/PP heads, Kooks Long tubes, green cats, Custom heat exchangers, RotoFab

CAP Stage II Mods (5/21)
Kong ported blower/snout, NW 103mm ported TB, FII blower spacer plates & thermal reduction blanket, Griptec snout pulley 2.4", MMS Mild catch can, ADM ultra large intercooler coolant reservoir, DSX low side pump, AntiGravity, 91 and 100 octane tunes
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Old 06-08-2021, 12:49 PM   #9
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Hennessey - Callaway - Yenko, I feel like a song from hiphop group tagteam coming on.

French vanilla, rocky road, chocolate chip, cookie dough...

I have heard nothing but bad things about Hennessey. Maybe only on a personal level and not product but that would rule it out for me. I personally would say Hendrick Motorsports. But I am biased living in Race City
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Old 06-09-2021, 12:37 AM   #10
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I'm still trying to figure out how this has anything to do with the possibility of a GEN 6 Z/28.
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Old 06-09-2021, 10:33 AM   #11
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I'm still trying to figure out how this has anything to do with the possibility of a GEN 6 Z/28.
Because, hot ham water
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Old 06-13-2021, 07:32 AM   #12
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Quote:
Originally Posted by FarmerFran View Post
I have heard nothing but bad things about Hennessey.
Then you haven't read any of my dozen or so posts here saying I'm pleased with them. You don't get to their lofty position (probably #1) on the performance shop food chain without producing excellent products.
__________________
HPE Stage I Mods (7/20)
10% pulley, Custom valve train/PP heads, Kooks Long tubes, green cats, Custom heat exchangers, RotoFab

CAP Stage II Mods (5/21)
Kong ported blower/snout, NW 103mm ported TB, FII blower spacer plates & thermal reduction blanket, Griptec snout pulley 2.4", MMS Mild catch can, ADM ultra large intercooler coolant reservoir, DSX low side pump, AntiGravity, 91 and 100 octane tunes
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Old 06-16-2021, 05:16 AM   #13
1AL37
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When dropping $23,000 I want to be singing the Number 1 selling song available. But I see no listing for Hendricks Performace Opertunities, perhaps you can lead me ing that direction?
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Old 06-17-2021, 08:41 AM   #14
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Quote:
Originally Posted by JSH View Post
Then you haven't read any of my dozen or so posts here saying I'm pleased with them. You don't get to their lofty position (probably #1) on the performance shop food chain without producing excellent products.
I meant no offense. You hear a lot from people, especially when it is negative. People usually do not go out of there way to vent positives.
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