[Diy_efi] 1227747 AE question
Karl Walter
krw at efn.org
Mon Feb 21 16:12:41 GMT 2005
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MessageAll Right, I guess cheap bums like me need to bite the bullet and =
get a WB o2 monitor. This is another case were switching o2 monitoring =
just doesn't cut it, am I right?
--Karl
----- Original Message -----=20
From: Fehn, Ron G=20
To: A list for Do-It-Yourself EFI=20
Sent: Monday, February 21, 2005 7:51 AM
Subject: RE: [Diy_efi] 1227747 AE question
i would suggest that TPS AE is immediate and possibly less duration as =
far as time on. MAP AE is possibly longer in duration and dependent in =
the MAP sensor "seeing" the need. i assumed for one season i had =
inadequate AE or PS as i was bogging. i thought my mods allowed me to =
flow air easier than fuel so i upped AE. I went too far. i discovered =
with a WB installed. i was off the scale at 8.0/1. i removed =
considerable from AE tables and it is so much better. need to fine tune =
AE this spring. AE is difficult to tune IMO as it will not show in =
scanning.
-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] =
On Behalf Of Bret Levandowski
Sent: Friday, February 18, 2005 7:47 PM
To: diy_efi at diy-efi.org
Subject: [Diy_efi] 1227747 AE question
Ok, I figured out my PE bog. Turns out the guy who had practically =
every table set wrong had the spark table way wrong. Anywhere from 3 - =
15 degrees. As far as AE, there is AE Vs MAP and AE Vs TPS, I understand =
that this is a calculated 'pump shot' based on TPS or MAP input. What I =
don't get is why you need both. Is one for 'off the line' and the other =
for sudden stabs while cruising? Do the tables add together? Hope =
someone can give a good detailed answer. The reason I ask is that I have =
a nasty hesitation off the line, but only when the outside temp is below =
60 deg F and I'm in CL. I'm assuming that one of these tables is too low =
such that with the denser air it's too lean. Thanks, Ski
__________________________________________________
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<DIV><FONT face=3DArial size=3D2>All Right, I guess cheap bums like me =
need to bite=20
the bullet and get a WB o2 monitor. This is another case were switching =
o2=20
monitoring just doesn't cut it, am I right?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>--Karl</FONT></DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3DRFEHN at amfam.com href=3D"mailto:RFEHN at amfam.com">Fehn, Ron =
G</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Ddiy_efi at diy-efi.org=20
href=3D"mailto:diy_efi at diy-efi.org">A list for Do-It-Yourself EFI</A> =
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, February 21, 2005 =
7:51=20
AM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> RE: [Diy_efi] 1227747 =
AE=20
question</DIV>
<DIV><BR></DIV>
<DIV><SPAN class=3D942194715-21022005><FONT face=3DArial =
color=3D#0000ff size=3D2>i=20
would suggest that TPS AE is immediate and possibly less duration as =
far as=20
time on. MAP AE is possibly longer in duration and dependent in =
the MAP=20
sensor "seeing" the need. i assumed for one season i had =
inadequate AE=20
or PS as i was bogging. i thought my mods allowed me to flow air =
easier=20
than fuel so i upped AE. I went too far. i discovered with =
a WB=20
installed. i was off the scale at 8.0/1. i removed =
considerable=20
from AE tables and it is so much better. need to fine tune AE =
this=20
spring. AE is difficult to tune IMO as it will not show in=20
scanning.</FONT></SPAN></DIV>
<DIV></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr =
align=3Dleft><FONT=20
face=3DTahoma size=3D2>-----Original Message-----<BR><B>From:</B>=20
diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] <B>On =
Behalf=20
Of </B>Bret Levandowski<BR><B>Sent:</B> Friday, February 18, 2005 7:47 =
PM<BR><B>To:</B> diy_efi at diy-efi.org<BR><B>Subject:</B> [Diy_efi] =
1227747 AE=20
question<BR><BR></FONT></DIV>
<DIV>Ok, I figured out my PE bog. Turns out the guy who had =
practically every=20
table set wrong had the spark table way wrong. Anywhere from 3 - 15 =
degrees.=20
As far as AE, there is AE Vs MAP and AE Vs TPS, I understand that this =
is a=20
calculated 'pump shot' based on TPS or MAP input. What I don't get is =
why you=20
need both. Is one for 'off the line' and the other for sudden stabs =
while=20
cruising? Do the tables add together? Hope someone can give a good =
detailed=20
answer. The reason I ask is that I have a nasty hesitation off the =
line, but=20
only when the outside temp is below 60 deg F and I'm in CL. I'm =
assuming that=20
one of these tables is too low such that with the denser air it's too=20
lean. Thanks, Ski</DIV>
<P>__________________________________________________<BR>Do You=20
Yahoo!?<BR>Tired of spam? Yahoo! Mail has the best spam protection =
around=20
<BR>http://mail.yahoo.com </P>
<P>
<HR>
<P></P>_______________________________________________<BR>diy_efi =
mailing=20
=
list<BR>diy_efi at diy-efi.org<BR>http://lists.diy-efi.org/mailman/listinfo/=
diy_efi<BR></BLOCKQUOTE></BODY></HTML>
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