Re: Manifolds - NA vs Turbo - Saab 900 Bulletin Board - Saabnet.com
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Re: Manifolds - NA vs Turbo
Posted by gorper (more from gorper) on Sat, 15 Jan 2005 14:40:18
In Reply to: Manifolds - NA vs Turbo, thor-in-2004, Sat, 15 Jan 2005 09:59:21
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According to the Electronic Parts Catalog, for B202 (2 Liter) engines (maybe B201, too, but I didn't look it up), there is no difference between a turbo and non-turbo intake manifold.
However, for B212 (2.1 Liter) engines made in the early '90s, the intake manifold has larger runners (B212s were non-turbo only).
In theory, a turbo engine might suffer a loss of low end torque due to reduced intake velocities as a result of larger runners. Further, it stands to reason that, if the larger B212 manifold were superior to the B202 *for turbocharged engines*, then Saab would have spec'd it on Turbo cars concurrently with B212 production. They did not.
posted by 24.19.252...
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