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Old 01-11-2019, 07:10 AM   #10
xj_man_646
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Quote:
Originally Posted by MBood82 View Post
You are questioning using a variable length intake runner? Or just this design?
From what I understand, this is not a variable length runner, but when this valve is open, it bypasses the intake runners all together and air goes directly to the cylinder heads.

Quote:
The short runner valve is a bypass line that takes air from the plenum directly to the cylinder heads. This route is much shorter than going through the longer intake manifold
Maybe I don't understand it correctly, but why not make it the shortest run possible all the time?
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