- New 87mm GM throttle body
- CNC ported
Gen 6 Camaro
Gen 3 CTS-V
Silverado, Sierra, Tahoe, Yukon, and Escalade with L86/L87 engine
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Questions & Answers (8)
Customer questions & answers
Q Does this TB fit a ported LT2 Intake manifold or does it require any kind of modification to fit? I am thinking on porting the LT2 intake to 95mm to match the TB
Asked by Lalo on November 4, 2020 6:08 pmA
The Katech LT1 TB should have no issues bolting up to the LT2 manifold!
Q Will this work without a tune on a 2017 Camaro SS, automatic. Just have a Spectre CAI. Thanks
Asked by Steven Fechner on October 27, 2020 7:22 pmA With this throttle body you will have to tune it. It will cause some drivability concerns and a check engine light.
Q Have you guys dyno tested the katech ported or gpi ported throttle body and ported L86 intake manifold together on an L83? I'm curious to know the gains in hp and tq. I'm very interested in the product and wanted a professional opinion if the gains and engine response are decent. Thanks.
Asked by Jordan on May 3, 2020 7:56 pmAnswered by the admin
We have not tested the Katech throttle body. I have attached a link showing the dyno results we have experienced with the swap using the OE throttle body.
Q Is the L86 throttle body a larger bolt pattern than the L83 and are the harness connectors the same?
Asked by Terry Jackson on November 18, 2019 11:34 amAnswered by the adminI'm not certain if the bolt pattern is larger, but the L86 throttle body will not bolt to the L83 manifold. The connectors are the same.
Q I am going to pair this with the ported L86 intake for my L83. Will my cold air intake sleeve fit over this throttle body or do I need an adapter? Thanks
Asked by Drew on August 21, 2019 6:46 pmAnswered by the admin With enough muscle it will fit. An adapter would make installation easier, and possibly improve airflow through throttle body.
Q I am going to purchase the ported L86 intake for my L83 engine. Will this throttle body work with that setup, or is the GM throttle body you offer fine? Thanks
Asked by Drew on August 20, 2019 10:06 pmA
The Katech 103 would be a great improvement over the factory L86 TB.