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Old Mar 15, 2022 | 02:51 AM
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Justin Raney's Avatar
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Default BBK throttle body

Are there any performance gains from a bbk throttle body for ls1 corvette drive by wire? Theres a pretty good deal for one locally and curious if they do add any hp. I think all the bbk are 80mm and work with the stock intake.
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Old Mar 17, 2022 | 03:29 AM
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I'm curious also
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Old Mar 17, 2022 | 03:47 AM
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Theres one in town for 200$ but after reading i read that they caused a bunch of codes and made the car run worse so i backed out.
Now someone on ls1tech mentioned a 90mm ls2 tb drive by wire with adapter plate at 15% part throttle would flow more then the stock throttle body as its 90mm not 78 or 75mm whichever. Now is there any thought on this? It may give more power at part throttle as it allows more airflow but at WOT be the same as wide open.
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Old Mar 17, 2022 | 04:13 AM
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Originally Posted by Justin Raney
Theres one in town for 200$ but after reading i read that they caused a bunch of codes and made the car run worse so i backed out.
Now someone on ls1tech mentioned a 90mm ls2 tb drive by wire with adapter plate at 15% part throttle would flow more then the stock throttle body as its 90mm not 78 or 75mm whichever. Now is there any thought on this? It may give more power at part throttle as it allows more airflow but at WOT be the same as wide open.

Well for sure you'd need a tune and in curious about the by wire? What does that mean? No plug but instead a wire?
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Old Mar 17, 2022 | 08:18 AM
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Drive by wire= throttle control by wires. Instead of a mechanical throttle linkage
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Old Mar 17, 2022 | 08:22 AM
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Yes key off it doesnt move but with the key on power the throttle blade is electronic motor driven and has some force.
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