Modular 4.6L Tech For all your 1996-2005+ 2V, 3V, and 4V modular motor needs.

Porting upper intake plenum?

Old Oct 4, 2004 | 12:40 AM
  #1  
RedSilver88's Avatar
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Default Porting upper intake plenum?

Anyone ported their aftermarket upper intake plenum? I know some guys at modular depot peaked 3 hp with the stock peice. Just wondering if anyone gained more with aftermarket plenums.
 
Old Oct 4, 2004 | 04:15 AM
  #2  
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I don't think this is a real popular mod, unless someone wants to keep all their stock components on the car. After-market plenums with a larger TB will net 10 - 14 hp, though they cost about $400 to do both.
 
Old Oct 5, 2004 | 05:12 AM
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I dont think it would make any difference to port one of the aftermarket ones.
 
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