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edelbrock sp2p or performer 400

 
  #16  
Old 11-13-2017, 05:52 PM
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I read the hype and couldn't get the SP2P off quick enough from my 400. I put a Performer in it's place and, Wait for it, no noticeable difference. I wish I just left the old manifold on.
 
  #17  
Old 11-14-2017, 08:13 AM
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Originally Posted by ktm4012 View Post
I read the hype and couldn't get the SP2P off quick enough from my 400. I put a Performer in it's place and, Wait for it, no noticeable difference. I wish I just left the old manifold on.
What RPM range did you drive the truck in?

That will make the biggest difference. If you're a granny with the pedal, then yes, you'll see no difference.
 
  #18  
Old 11-14-2017, 05:11 PM
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My cheap tach says my engine tops out at 3200 rpm. It sounds like it revs much higher and maybe my tach is off.
 
 
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