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Throttle Body question ??

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Old Oct 29, 2015 | 07:35 PM
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Default Throttle Body question ??

Hi All, I just put in a new air intake system and it's running good on my stock 2015 C7. Can I replace my throttle body with a larger one without having to do anything else to the car or would this mess timing and things up? If so, what size can I put in?
Thanks for your help in advance.
GN
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Old Oct 29, 2015 | 07:42 PM
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Originally Posted by girard12
Hi All, I just put in a new air intake system and it's running good on my stock 2015 C7. Can I replace my throttle body with a larger one without having to do anything else to the car or would this mess timing and things up? If so, what size can I put in?
Thanks for your help in advance.
GN
They're are some in the works but none available right now that I'm aware of. Pretty much only option is a ported tb but not gonna really get any gains.
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Old Oct 29, 2015 | 08:38 PM
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If you find a bigger throttle body, you will probably need to modify the tune.
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Old Oct 30, 2015 | 09:17 AM
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A larger throttle body will require a retune, a stock ported throttle body is fine to run on the stock tune. The ported will net you a few whp and improved throttle response. I went with the WeaponX on my car and have been impressed with the quality of their work (also have their ported intake manifold). Katech also offers a nice looking ported throttle body that I've seen them advertise on here.
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Old Oct 31, 2015 | 05:43 PM
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Originally Posted by Kracka
...a stock ported throttle body is fine to run on the stock tune. The ported will net you a few whp and improved throttle response. I went with the WeaponX on my car and have been impressed with the quality of their work...
How has your street driveability been affected by the ported throttle body? I have heard that the car becomes almost over-responsive in the lower gears with that particular mod.

JV
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Old Oct 31, 2015 | 10:24 PM
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Originally Posted by Jet Vet
How has your street driveability been affected by the ported throttle body? I have heard that the car becomes almost over-responsive in the lower gears with that particular mod.

JV
No complaints here, great mod for a street car.
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Old Nov 1, 2015 | 02:52 AM
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Originally Posted by Kracka
A larger throttle body will require a retune, a stock ported throttle body is fine to run on the stock tune. The ported will net you a few whp and improved throttle response. I went with the WeaponX on my car and have been impressed with the quality of their work (also have their ported intake manifold). Katech also offers a nice looking ported throttle body that I've seen them advertise on here.
I remember the 90's LT1 had to have a tune for a larger TB or else the automatic tranny was quickly toast.
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