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Old 02-28-2018, 10:14 PM   #19 (permalink)
Cpt. Obvious
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Quote:
Originally Posted by RanRich View Post
Is it just me or does the manifold appear to pinch at the front? Wouldn’t this variance in plenum size as it relates to each runner be problematic?
FPenvy is correct. The pinch at the front is designed to equalize the pressure in the manifold.
Being that the front intake ports are further away from the throttle bodies, the smaller size will slightly compress the air for the purpose of balancing the air pressure in each cylinder.
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