Cobalt This sporty compact was faced with the difficult job of replacing the popular Cavalier, but whether the base model, or the supercharged SS is chosen, is has made for a great replacement.
Platform: Delta
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restrictor plate

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Old Sep 16, 2007 | 4:16 PM
  #1  
nolanz24's Avatar
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Default restrictor plate

i was wondering if anyone knew if the cobalt SS had a restictor plate

its not the supercharged
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Old Nov 12, 2007 | 9:29 PM
  #2  
Red07SSNA's Avatar
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Default RE: restrictor plate

Do you mean an intake restrictor plate? I've taken off 2.4L and 2.2L TBs and intake manifolds and have not seen a restrictor plate of any kind. Not in the exhaust either.
The 2.4 uses a 1-piece plastic intake manifold with a 68 MM TB (base opening measurement - not venturi).
The 2.2 uses a 2-piece glued-together intake manifold with a 60 MM TB (base opening measurement - not venturi). The 2.4 intake manifold has larger runners and the TB is centrally located while the 2.2 TB is offset to the drivers side.
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