Intake manifold plenum size
12-18-2005, 09:48 PM
#2
0.0 BAR
Join Date: Feb 2003
Posts: 0
Re: Intake manifold plenum size
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Runners... get complicated if you want it exactly matched to your engine, but you can get a close approximation if you can look at how one of the big hp big balla Edelbrock units is done up.
Plenum... *sigh*. It was supposed to be either 1.48 or 1.58 times the displacement of the engine... and then you modify that number for VE. Meaning, the more air you ingest, the bigger the plenum should ideally be.
Runners... get complicated if you want it exactly matched to your engine, but you can get a close approximation if you can look at how one of the big hp big balla Edelbrock units is done up.
Plenum... *sigh*. It was supposed to be either 1.48 or 1.58 times the displacement of the engine... and then you modify that number for VE. Meaning, the more air you ingest, the bigger the plenum should ideally be.
12-18-2005, 11:52 PM
#3
1.0 BAR
Join Date: Dec 2005
Posts: 357
Re: Intake manifold plenum size
Originally Posted by Joseph Davis
Search m24X.zeroforum.com for experts taking about the subject.
Runners... get complicated if you want it exactly matched to your engine, but you can get a close approximation if you can look at how one of the big hp big balla Edelbrock units is done up.
Plenum... *sigh*. It was supposed to be either 1.48 or 1.58 times the displacement of the engine... and then you modify that number for VE. Meaning, the more air you ingest, the bigger the plenum should ideally be.
Runners... get complicated if you want it exactly matched to your engine, but you can get a close approximation if you can look at how one of the big hp big balla Edelbrock units is done up.
Plenum... *sigh*. It was supposed to be either 1.48 or 1.58 times the displacement of the engine... and then you modify that number for VE. Meaning, the more air you ingest, the bigger the plenum should ideally be.
12-19-2005, 11:09 AM
#4
1.5 BAR
Join Date: Mar 2004
Posts: 938
Re: Intake manifold plenum size
runners and plenum size will play a direct role on your rpm/torque band. you want to make sure that you know what type of power you want to make at what rpm, before you decide what size your runners and plenum are going to be.
longer & smaller diameter runners will net a lower torque peek, where a shorter & bigger diameter runners will net a higher torque peek.
plenum is going to be another way to get your peek torque at a specific rpm.
here is a link for a runner calculator.
http://www.rbracing-rsr.com/runnertorquecalc.html
ill see if I can find the one for the plenum size.
longer & smaller diameter runners will net a lower torque peek, where a shorter & bigger diameter runners will net a higher torque peek.
plenum is going to be another way to get your peek torque at a specific rpm.
here is a link for a runner calculator.
http://www.rbracing-rsr.com/runnertorquecalc.html
ill see if I can find the one for the plenum size.
