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Question about intake runner length/volume

  • Thread starter Thread starter GREYFOX4INCH
  • Start date Start date Oct 10, 2006
G

GREYFOX4INCH

Member
May 8, 2005
190
0
16
western MA
Oct 10, 2006
#1
  • Oct 10, 2006
  • #1
how come with carb intakes a dual plane, short runner style builds power at low RPM's.

but with an EFI intake a short runner box style builds better power at high RPM's?

if you were to build an intake for an EFI N/A engine what is more important, runner length, or runner volume? and what purpose does the uper plenum that feeds the runners serve, how does the volume of that upper space effect the engines performance?

im not building an intake but it seems like im missing somthing here, so its just for the sake of argument really.
thanks
 
G

GREYFOX4INCH

Member
May 8, 2005
190
0
16
western MA
Oct 12, 2006
#2
  • Oct 12, 2006
  • #2
hmm?
 

rickd93_lx

New Member
Dec 22, 2005
162
0
0
Oct 12, 2006
#3
  • Oct 12, 2006
  • #3
try this link @ how stuff works.com, its a great site

http://auto.howstuffworks.com/question517.htm

let me know if this helps
 

rickd93_lx

New Member
Dec 22, 2005
162
0
0
Oct 12, 2006
#4
  • Oct 12, 2006
  • #4
did it help?
 
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