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Old Mar 22, 2018 | 08:53 PM
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Default Ported throttle body

wondering what is the optimal size ported throttle body for a 2016 Stingray. cai, headers, xpipe.

tia al
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Old Mar 22, 2018 | 09:49 PM
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The fact that Callaway doesn't use ported (instead, they use stock) throttle-bodies on their cars tells me all I need to know.
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Old Mar 22, 2018 | 09:54 PM
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Originally Posted by Avanti
The fact that Callaway doesn't use ported (instead, they use stock) throttle-bodies on their cars tells me all I need to know.
thanks for the useless information.
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Old Mar 22, 2018 | 09:59 PM
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It was intended as genuinely valid info. Perhaps, I should have worded it differently... sorry.

How's this, instead, "Don't waste your money on one" All the best on your mods no matter how you go.
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Old Mar 22, 2018 | 10:03 PM
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If it's response you want, go Vitesse throttle controller. If it's HP you want, go forced induction - your pick.

If it's more air movement, buy a Burger air filter for the stock intake.

I think he was politely suggesting that you save your money. That said, it's your $.
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Old Mar 22, 2018 | 10:17 PM
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There are a few good choices out there. WeaponX has their art of porting down to a science and it performs perfectly. SoCal Porting does as well.

Last edited by Kracka; Mar 22, 2018 at 10:26 PM.
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Old Mar 22, 2018 | 10:18 PM
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Originally Posted by walleyejack
wondering what is the optimal size ported throttle body for a 2016 Stingray. cai, headers, xpipe.

tia al
87mm. Many ported versions to choose from... Katech, Weapon X, Tony Mamo, etc.
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Old Mar 23, 2018 | 02:44 AM
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Bought the Katech due to they trim down the blade shaft. The porting work is nice. I ran my best ever 60', 1/8, 1/4 and MPH on my Base A8, no mods or tune, just DR's. 11.516 @ 120.90 here at Fontana. Best previous was 11.732 at 118.59.
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Old Mar 23, 2018 | 06:58 AM
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Are the Lt1 tb and Lt4 the same ?
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Old Mar 23, 2018 | 07:41 AM
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Originally Posted by walleyejack
Are the Lt1 tb and Lt4 the same ?
Yes, same TB.
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Old Mar 23, 2018 | 08:33 AM
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Originally Posted by walleyejack
Are the Lt1 tb and Lt4 the same ?
Same that's used on some of the trucks too, I believe. Same with our exhaust manifolds Nice gains from porting those too, BTW.

Last edited by Kracka; Mar 23, 2018 at 08:34 AM.
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Old Mar 23, 2018 | 09:08 AM
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Yeah, many were critical that the same 87mm TB was used on the 650HP Z06, but it was able to managed its needs and more. It wouldn’t surprise me if it is being used on the ZR1 as well.
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Old Mar 23, 2018 | 09:14 AM
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Originally Posted by sTz
Yeah, many were critical that the same 87mm TB was used on the 650HP Z06, but it was able to managed its needs and more. It wouldn’t surprise me if it is being used on the ZR1 as well.
Yes, and surprise myself also use the same one that's why I wanted to be sure folks at weapon told me same one
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Old Mar 23, 2018 | 09:49 AM
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Originally Posted by sTz
It wouldn’t surprise me if it is being used on the ZR1 as well.
The C7 ZR1 has a larger 95mm throttle body.

Last edited by Kracka; Mar 23, 2018 at 09:51 AM.
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Old Mar 23, 2018 | 10:02 AM
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^^^ Thanks. I briefly looked, but couldn’t find the information...
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Old Mar 23, 2018 | 10:27 AM
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My 87 mm from Tony Mamo should arrive tomorrow (if the mailman can get through the snow).
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Old Mar 23, 2018 | 10:33 AM
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Originally Posted by Ramler
My 87 mm from Tony Mamo should arrive tomorrow (if the mailman can get through the snow).
you can be out doing donuts tomorrow then !!!
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Old Mar 23, 2018 | 10:39 AM
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Originally Posted by C2367
Bought the Katech due to they trim down the blade shaft. The porting work is nice. I ran my best ever 60', 1/8, 1/4 and MPH on my Base A8, no mods or tune, just DR's. 11.516 @ 120.90 here at Fontana. Best previous was 11.732 at 118.59.
PM SENT - thanks tom
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Old Mar 23, 2018 | 12:52 PM
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We have great reviews on our ported TBs! We have sold hundreds of them

https://weaponxmotorsports.com/produ...corvette-cts-v

We have ported LT5 TBs in stock as well; however, I'll need to get my ZR1 in a couple weeks for testing and verification. The bolt pattern is different though, so it's not a direct swap. I need to test more too, we can make it work as we have a flange designed and 3D printed but haven't rolled into machining yet; however, the car we put it on to test threw it into REP mode as well, so we need to do some more testing there as well.

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Old Mar 23, 2018 | 06:17 PM
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