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Old 02-20-2014, 12:56 PM   #18
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Quote:
Originally Posted by JDP Tyler View Post
Many people also say it gets rid of the "dead spot".
It certainly did in my 2012 1LT. No doubt about it. Never notice a "dead spot" in my '13 1SS, but the throttle response is improved.
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Old 02-20-2014, 12:57 PM   #19
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Throttle response will be increased.
Not just on a computer somewhere, you will see a noticeable gain.
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Old 02-20-2014, 01:00 PM   #20
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Originally Posted by mbowen89 View Post
...someone please inform me of my ignorance!
Okay. You're ignorant!

Just kidding, man. The PTB made a significant difference in throttle response in my '12 1LT. That's all I can say.
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Old 02-20-2014, 01:02 PM   #21
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Quote:
Originally Posted by JDP Tyler View Post
99% of the time vendors will give you a "used" core. There is really no benefit of the new core other than being able to say so.


VMAX does all the porting etc.

The VMAX throttle body will make a big difference in throttle response as well as a 5-8hp and tq gain throughout the RPM range. Many people also say it gets rid of the "dead spot". It's not huge, but definitely noticeable and a good bang for the buck IMO.

Let me know if I can answer anymore questions.

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Thanks Tyler....Grabbing Credit Card
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Old 02-20-2014, 01:03 PM   #22
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I've had mine for about a year now. I noticed right from the exchange better throttle response. This week I added a CAI and that really woke it up. Be sure on the V6 to disconnect the battery for a minimum of 30 minutes. It will speed up the computer learning process.
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Old 02-20-2014, 01:05 PM   #23
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Somebody said you can do this under hood? The battery positive rail just has one large cable running up to engine bay, and I can disconnect there?
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Old 02-20-2014, 01:05 PM   #24
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Quote:
Originally Posted by mbowen89 View Post
Ignoring supposed HP increases, is this for sure going to better throttle response? Or is it just a "placebo effect"?

The VMAX description tries to really sell it to you hard with the "physics" of it all. Seems a little sketchy to me though. I feel like an empty hole is an empty hole, and changing it so you can only tell a difference under a microscope for this application is pointless. If they actually increase the diameter of the hole then that's another story. The description says that the blade is same size, so the hole has to be same size to then right?

This just all seems sketchy to me... someone please inform me of my ignorance!
Not "supposed" watch the video above. It makes better power. Throttle response is more noticeable that a small hp gain though...
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Old 02-20-2014, 01:08 PM   #25
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Originally Posted by mbowen89 View Post
Somebody said you can do this under hood? The battery positive rail just has one large cable running up to engine bay, and I can disconnect there?
I just removed the negative off the battery like the instructions said. It only took a few minutes.
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Old 02-20-2014, 01:09 PM   #26
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That will suck for me though, have to remove my sub, and spare tire, etc. Oh well
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Old 02-20-2014, 01:10 PM   #27
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Quote:
Originally Posted by mbowen89 View Post
Ignoring supposed HP increases, is this for sure going to better throttle response? Or is it just a "placebo effect"?

The VMAX description tries to really sell it to you hard with the "physics" of it all. Seems a little sketchy to me though. I feel like an empty hole is an empty hole, and changing it so you can only tell a difference under a microscope for this application is pointless. If they actually increase the diameter of the hole then that's another story. The description says that the blade is same size, so the hole has to be same size to then right?

This just all seems sketchy to me... someone please inform me of my ignorance!
Read this article about the development of this current Gen 4 LS3. Note how much effort the GM engineers put into shape and smoothness of air flow surfaces.

http://www.camarohomepage.com/ls3/
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Old 02-20-2014, 01:14 PM   #28
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That will suck for me though, have to remove my sub, and spare tire, etc. Oh well
I was told you could do it under the hood and I was all set to do it, but at the last minute I decided to do it at the battery.
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Old 02-20-2014, 01:27 PM   #29
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When I put mine on I felt like I got better throttle response. Was it day and night...No....but I felt like it was better than before. HP gains....maybe but you're probably not going to really feel 5 hp in the butt dyno.

Would I buy it again....definitely. For the money I felt it was worth it. Now, if you're needing the money for other mods like maybe cradle bushings or something that you will feel day and night difference then you might spend the money there first but eventually I would say pull the trigger and get one.

Here is the visual difference between stock and VMax. You can see how it's smoothed out with swirls and some of the metal has been removed to make for better flow. BTW, this was a used one.
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Old 02-20-2014, 03:59 PM   #30
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^ great pics, as displayed there is a difference in opening, this is a no brainer for the LFX, just do it and move on, albeit a little smoother.
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Old 02-20-2014, 08:16 PM   #31
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new or used..hmmmmmm I say used is kool.

[QUOTE=Blu Ray;7436226]Shopping around,

JDP offers a "New" and "Used" PTB there the only site out there with this option. The "NEW" PTB also comes with a $$$ premimum charge.

My question is when I order from other Vendors that do not offer "NEW vs USED" are they really NEW PTB or Refurbished Cores other customers returned.




I was tripping on the old and new thing rhis week when I ordered mine.most people pay 150 shipped. .so most people getting used.. jdp just happens to be straight up and tell u the real deal. .and disconnecting don't do nothing..u just disconnect the one power source that hooks to the tb. A plug in.
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Old 02-20-2014, 08:45 PM   #32
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you should disconnect the battery when unplugging sensors, its in the directions for a reason. plus by disconnecting the battery the computer will adjust to the new part quicker instead of car running like crap for a while till it adjusts.
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Old 02-20-2014, 08:56 PM   #33
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Quote:
Originally Posted by Blu Ray View Post

My question is when I order from other Vendors that do not offer "NEW vs USED" are they really NEW PTB or Refurbished Cores other customers returned.

Is there a benefit of having a New vs Used
At Apex Motorsports we have both options available. I'm not sure if they are both available on the website or not, because I have not checked.

The benefit of having a new core boils down to two things in my eyes;
1. If you order a new core you can keep your stock TB. Should you decide to get rid of your car you can pull it and sell it to someone.
2. You don't have to hassle with sending your core back.

Those are pretty small advantages, if you can even see them as advantages. I can say that every core that we have returned goes through a thorough inspection of the case, blade, electrical connections, etc. If they do not meet the quality standard we send them back. Most come to us in good condition, and those that do not are almost 100% due to not being packaged correctly (or with any packing at all!) when returned.
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Old 02-21-2014, 08:22 AM   #34
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At Apex Motorsports we have both options available. I'm not sure if they are both available on the website or not, because I have not checked.

The benefit of having a new core boils down to two things in my eyes;
1. If you order a new core you can keep your stock TB. Should you decide to get rid of your car you can pull it and sell it to someone.
2. You don't have to hassle with sending your core back.

Those are pretty small advantages, if you can even see them as advantages. I can say that every core that we have returned goes through a thorough inspection of the case, blade, electrical connections, etc. If they do not meet the quality standard we send them back. Most come to us in good condition, and those that do not are almost 100% due to not being packaged correctly (or with any packing at all!) when returned.
Well put apex well put..
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