The removable y piece atop 5the air box....

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If your running rich, you can raise the "Y" to allow more air into the engine.

If your running rich, it will help, if your not running rich.....there is really no benefit.

I was at the dyno, and removed the Y, and picked up almost 2 hp on the next run.
 
If you are running rich best to set your carbs right instead of looking for alternatives to fix it.
 
If your running rich, you can raise the "Y" to allow more air into the engine.

If your running rich, it will help, if your not running rich.....there is really no benefit.

I was at the dyno, and removed the Y, and picked up almost 2 hp on the next run.

Awsome. Im no mechanic but If my nose is right it does smell rich indeed. Ill hAve to check or sniff how it runs with out. A sincere Thanks.
 

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