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Camaro V6 LFX Engine, Exhaust, and Bolt-Ons For all LFX related parts

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Old 12-01-2014, 11:46 AM   #1
Redslayer15821
 
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Can a mod make your car slower?

So I recently installed an extendolator which essentially is a spacer for your air intake manifold. Install was pretty straight forward but I get the feeling I did something wrong or maybe it's simply not a good match for my car. Because ever since install the car feels notably less powerful and some what sluggish despite my throttle body controller. I expected a loss at the top end but I feel as though I lost both power and torque across all rpm ranges. Is this all in my head or have any of you noticed similar results with this or any other mod for the LFX.
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Old 12-01-2014, 01:47 PM   #2
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Double check all your stuff was reinstalled properly, i have both mods and definitely do not have that problem
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Old 12-01-2014, 05:13 PM   #3
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I'll definitely give everything another look. I felt like I might be going crazy because I naturally assumed that if I messed up re-assembly the car would throw a CEL code or something. Maybe I should recalibrate my vitesse controller
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Old 12-01-2014, 05:21 PM   #4
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Also, did you have the battery negative removed while doing the install? ECU may need a relearn.
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Old 12-01-2014, 05:21 PM   #5
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Maybe you accidentally hit economic mode that'll slow her down lol
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Old 12-01-2014, 05:49 PM   #6
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Quote:
Originally Posted by Redslayer15821 View Post
So I recently installed an extendolator which essentially is a spacer for your air intake manifold. Install was pretty straight forward but I get the feeling I did something wrong or maybe it's simply not a good match for my car. Because ever since install the car feels notably less powerful and some what sluggish despite my throttle body controller. I expected a loss at the top end but I feel as though I lost both power and torque across all rpm ranges. Is this all in my head or have any of you noticed similar results with this or any other mod for the LFX.
A throttle body spacer is essentially making the intake manifold think it is a hair bigger by increasing plenum volume. If your car doesn't need any more intake you will not gain and it will seem like a negative. Of course the only way to see for sure is a back to back on the dyno or at the track or both.
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Old 12-01-2014, 07:13 PM   #7
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Yeah check your connections and if you hit the A button on the Throttle controller.
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Old 12-01-2014, 09:29 PM   #8
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Quote:
Originally Posted by Livernois Motorsports View Post
A throttle body spacer is essentially making the intake manifold think it is a hair bigger by increasing plenum volume. If your car doesn't need any more intake you will not gain and it will seem like a negative. Of course the only way to see for sure is a back to back on the dyno or at the track or both.
It's not a throttle body spacer. It has been dyno tested back to back, in several different configurations and thicknesses, by myself, and several others I sent product to to try. It was developed, and evolved over the course of a year and over 10k road miles on two different cars of my own, and who knows how many miles on the cars of others. I've taken it off and put it back on more times than I can count with no issues.

Quote:
Originally Posted by Redslayer15821 View Post
So I recently installed an extendolator which essentially is a spacer for your air intake manifold. Install was pretty straight forward but I get the feeling I did something wrong or maybe it's simply not a good match for my car. Because ever since install the car feels notably less powerful and some what sluggish despite my throttle body controller. I expected a loss at the top end but I feel as though I lost both power and torque across all rpm ranges. Is this all in my head or have any of you noticed similar results with this or any other mod for the LFX.
I'm not sure why you are experiencing what you are describing, but I would suggest double checking all the connections, vacuum lines, check for vacuum leaks.

If you want to give it an honest to goodness back to back on the road, either turn the throttle controller to SP0, or remove it all together, drive around for a couple days, remove it, drive around for a couple more and see if you feel a difference?

At the end of the day, if you are convinced it doesn't work or you aren't happy with it, send it back and I will give you a refund.

Thus far, you are the only one that has this complaint out of all of them that I have sold so far.
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Old 12-01-2014, 10:44 PM   #9
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I recently installed an extendolator and ported manifold from JacFab great mods much better response and torque down low and great pull all the way to 6800rpm.

Ed
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Old 12-02-2014, 05:02 AM   #10
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I think I'm gonna go with recalibrating my controller. @ Jason, It's not meant to be a complaint, I guess I wanted to get some input to confirm weather or not it was all in my head or if a loss was in fact a possibility. I don't have a CAI just yet I'm thinking this will help me capitalize on the spacer gains in addition to porting my TB. Dyno testing isn't a realistic venture for me because I am stuck in italy for the time being. Thank you all for the input. I will report back once I uninstall and reinstall my TBC and see if it helps.
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Old 12-02-2014, 09:54 AM   #11
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The 24" wheel mod can make your car slower!
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Old 12-14-2014, 02:52 PM   #12
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Of course a mod can slow you down. In the early 70s, the wannabes put huge cams in the stock geared/motor car. They lost money to Volkswagens.
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