[Diy_efi] TPI cam limit.

[Becker, Damon Damon]

Filtration can help, along with vacuum manifolds (pneumatic receivers)
and such.  You can also "tune around" this type of thing by allowing for
a flat spot in the idle fuel tables.  If none of this works, then you
can go with a hybrid controller (hybrid speed-density and alpha-N).
Camming an engine can frequently require the transition to an EMS to
correctly control the engine, depending on how your original ECU was
setup.  
 
If you are in the Denver area and need help with this, I am more than
happy to help you out.  

  _____  

From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]
On Behalf Of Joe Boucher
Sent: Saturday, November 26, 2005 7:10 PM
To: diy_efi at diy-efi.org
Subject: [Diy_efi] TPI cam limit.


I saw a reference just a few days ago claiming the practical cam input
lobe timing limit at .050' lift is 205 degrees.  Primarily the vacuum
signal jumps around too much.
 
Is there a similar limit on the MAP driven TPI systems?
 
Thanks,
 
Joe B
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