C7 intake manifold on my 5.3 - Page 4 - PerformanceTrucks.net Forums



GMT K2xx Trucks General Discussion 2014+ Trucks | General Discussion

C7 intake manifold on my 5.3

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Old 08-21-2014, 08:39 AM   #31  
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wow pretty impressed with you guys doing this. Cant wait to see results
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Old 08-21-2014, 10:14 AM   #32  
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Cool im intrested in the #s it makes.
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Old 08-21-2014, 12:05 PM   #33  
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Dyno numbers would be great for an accurate reference. Very curious.
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Old 08-21-2014, 12:35 PM   #34  
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Looks clean man. In for results
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Old 08-21-2014, 01:40 PM   #35  
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turned out great… are you planning on doing a writeup on everything that had to be changed, etc?

also, could you draw or show a pic of the belt routing?
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Old 09-05-2014, 05:11 AM   #36  
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Part numbers etc also..... I have a 2014 6.2L Sierra Denali.
Following.......
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Old 09-08-2014, 10:27 AM   #37  
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I got mine installed over the weekend. Turned out good.

rough numbers using an iphone app called G-tach, I checked my 1/4 mile times and trap speed.

before was 14.76 @ 107 mph after was 14.18 @ 109 mph. granted it's a phone app and not a drag strip time slip but I can feel the extra pull on top. Sent my Diablosport logs in and there was no changes required after the installation. It was pulling more air on the top end. A/F ratio leaned slightly from 12.5 to 12.6 - 12.7 WOT which is about where it needs to be.

side by side, L86 on left, LT1 on right. I added the silver radiant heat insulation.
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Old 09-08-2014, 10:43 AM   #38  
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Did it feel any different off the line? Just by looking I would have ventured a guess that the truck manifold was better for low end power.
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Old 09-08-2014, 12:49 PM   #39  
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Quote:
Originally Posted by typhoon186 View Post
I got mine installed over the weekend. Turned out good.

rough numbers using an iphone app called G-tach, I checked my 1/4 mile times and trap speed.

before was 14.76 @ 107 mph after was 14.18 @ 109 mph. granted it's a phone app and not a drag strip time slip but I can feel the extra pull on top. Sent my Diablosport logs in and there was no changes required after the installation. It was pulling more air on the top end. A/F ratio leaned slightly from 12.5 to 12.6 - 12.7 WOT which is about where it needs to be.

side by side, L86 on left, LT1 on right. I added the silver radiant heat insulation.


installed:



Looks great.....what is the part numbers for the intake manifold and C7 cover? I was thinking of having the intake manifold ported before installing.
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Old 09-08-2014, 12:52 PM   #40  
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Kind of scary changing a manifold required no tuning, either they are mistaken or the intake made absolutely no change except a cosmetic one.
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