[Diy_efi] TBI in boat

Sun Aug 15 02:17:51 GMT 2004

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Scott,

I am using an AC Delco P/N AFS-105 (GM P/N 25312200); Which software are =
you
using to edit calibrations?  I have looked at Autigent. pretty pricey.  =
Wish
I could help with the O2 sensor config, but I have to get running first,
probably will get it fired up Friday or sat. =20

=20

Tim

=20

-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] =
On
Behalf Of Scott Appe
Sent: Friday, August 13, 2004 9:26 PM
To: A list for Do-It-Yourself EFI
Subject: Re: [Diy_efi] TBI in boat

=20

Tim,

=20

You mentioned you are working on a GM MEFI 4 fuel injection system.  I =
have
this system on my car and have been working on it for a while.  Do you =
know
how to run a wide band O2 on the MEFI 4 system?  I see that the =
calibration
can be setup for wide band, but do not know exactly which sensor or how =
to
configure it.

=20

Scott

----- Original Message -----=20

From: Tim Eichhorn <mailto:tim.eichhorn at cox.net> =20

To: 'A list for <mailto:diy_efi at diy-efi.org>  Do-It-Yourself EFI'=20

Sent: Sunday, August 08, 2004 11:11 AM

Subject: RE: [Diy_efi] TBI in boat

=20

I had a local machine shop mill one out of 1-1/4" Aluminum.  I just took
them a riser gasket as a pattern.  My risers (Indmar) have water =
passages on
all four sides.  I just eliminated the water passage on the side where =
the
O2 sensor will mount. Boats tend to run richer than cars.  Depending on =
your
calibration, you may never achieve closed loop parameters.  The typical =
boat
thermostat opens at 140 degrees, much cooler than a car.  Your boat ECM =
may
not play very well with your boat cam. Boat cams have a relatively =
narrow
lobe separation angles and about 10 degrees more exhaust duration than
intake duration, this means lower vacuum, which in a TBI speed density
system will make you run rich.

=20

I think a truck based calibration would get you close.  For tuning you =
would
need a wide-band O2 sensor setup to customize your calibration, ts.  The
stock GM 350 TBI setup is only good up to about 275 HP.  If your make =
more
than that, you will need to run w/ the Big block 670 CFM throttle body.

=20

My experience is in Marine fuel injections based on GM MEFI controller.  =
The
system I am building is a MEFI 4 based port injected system.  As far as
tweeking the car ECMs there is an abundance of Cals, tuning software, =
and
guys that know what they are doing.  This setup will work; is just the
calibrations available will not provide optimum horsepower.

=20

Good luck.

=20

Tim

-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] =
On
Behalf Of Bill USN-1
Sent: Saturday, August 07, 2004 9:36 PM
To: 'A list for Do-It-Yourself EFI'
Subject: RE: [Diy_efi] TBI in boat

=20

Can you put it in the exhaust cross over on the intake?

=20

Bill

USN-1

=20

-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] =
On
Behalf Of Wallace O. Powelle
Sent: Saturday, August 07, 2004 10:26 PM
To: diy_efi at diy-efi.org
Subject: [Diy_efi] TBI in boat

=20

I'm going to put a TBI system of of a 305 chevy on my Volvo Penta 305.  =
Any
advice or words of warning would be appreciated. Should I be able to get =
by
with the factory prom, Is there a built in rev limit, does anyone know =
of a
source for a spacer to install O2 sensor between manifold & riser?  =
Thanx,
Wallace=20

  _____ =20

_______________________________________________
diy_efi mailing list
diy_efi at diy-efi.org
http://lists.diy-efi.org/mailman/listinfo/diy_efi

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<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Scott,</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>I am using an AC Delco P/N AFS-105 =
(GM P/N
25312200); Which software are you using to edit calibrations?&nbsp; I =
have
looked at Autigent&#8230; pretty pricey.&nbsp; Wish I could help with =
the O2 sensor
config, but I have to get running first, probably will get it fired up =
Friday
or sat.&nbsp; </span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Tim</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Original =
Message-----<br>
<b><span style=3D'font-weight:bold'>From:</span></b> =
diy_efi-bounces at diy-efi.org
[mailto:diy_efi-bounces at diy-efi.org] <b><span =
style=3D'font-weight:bold'>On
Behalf Of </span></b>Scott Appe<br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Friday, August 13, =
2004 9:26
PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> A list for =
Do-It-Yourself EFI<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> Re: [Diy_efi] =
TBI in boat</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>Tim,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>You mentioned you are =
working on a
GM MEFI 4 fuel injection system.&nbsp; I have this system on my car and =
have
been working on it for a while.&nbsp; Do you know how to run a wide band =
O2 on
the MEFI 4 system?&nbsp; I see that the calibration can be setup for =
wide band,
but do not know exactly which sensor or how to configure =
it.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>Scott</span></font></p>

</div>

</div>

<blockquote style=3D'border:none;border-left:solid black =
1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'=
>

<blockquote style=3D'border:none;border-left:solid black =
1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'=
>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>----- Original Message =
----- </span></font></p>

</div>

<div style=3D'font-color:black'>

<p class=3DMsoNormal =
style=3D'margin-left:.5in;background:#E4E4E4'><b><font size=3D2
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'>From:</span=
></font></b><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'> <a
href=3D"mailto:tim.eichhorn at cox.net" title=3D"tim.eichhorn at cox.net">Tim =
Eichhorn</a>
</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><b><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'>To:</span><=
/font></b><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'> <a
href=3D"mailto:diy_efi at diy-efi.org" title=3D"diy_efi at diy-efi.org">'A =
list for
Do-It-Yourself EFI'</a> </span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><b><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'>Sent:</span=
></font></b><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'> Sunday,
August 08, 2004 11:11 AM</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><b><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'>Subject:</s=
pan></font></b><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'> RE:
[Diy_efi] TBI in boat</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

I had a local =
machine
shop mill one out of 1-1/4&#8221; Aluminum.&nbsp; I just took them a =
riser
gasket as a pattern.&nbsp; My risers (Indmar) have water passages on all =
four
sides.&nbsp; I just eliminated the water passage on the side where the =
O2
sensor will mount. Boats tend to run richer than cars.&nbsp; Depending =
on your
calibration, you may never achieve closed loop parameters.&nbsp; The =
typical
boat thermostat opens at 140 degrees, much cooler than a car.&nbsp; Your =
boat
ECM may not play very well with your boat cam. Boat cams have a =
relatively
narrow lobe separation angles and about 10 degrees more exhaust duration =
than
intake duration, this means lower vacuum, which in a TBI speed density =
system
will make you run rich.

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dnavy face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>I think a truck =
based
calibration would get you close.&nbsp; For tuning you would need a =
wide-band O2
sensor setup to customize your calibration, ts.&nbsp; The stock GM 350 =
TBI
setup is only good up to about 275 HP.&nbsp; If your make more than =
that, you
will need to run w/ the Big block 670 CFM throttle =
body.</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dnavy face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>My experience is =
in
Marine fuel injections based on GM MEFI controller.&nbsp; The system I =
am
building is a MEFI 4 based port injected system.&nbsp; As far as =
tweeking the
car ECMs there is an abundance of Cals, tuning software, and guys that =
know
what they are doing.&nbsp; This setup will work; is just the =
calibrations
available will not provide optimum horsepower.</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dnavy face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Good =
luck.</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dnavy face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Tim</span></font>=
</p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Original =
Message-----<br>
<b><span style=3D'font-weight:bold'>From:</span></b> =
diy_efi-bounces at diy-efi.org
[mailto:diy_efi-bounces at diy-efi.org] <b><span =
style=3D'font-weight:bold'>On
Behalf Of </span></b>Bill USN-1<br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Saturday, August =
07, 2004
9:36 PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> 'A list for =
Do-It-Yourself
EFI'<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> RE: [Diy_efi] =
TBI in boat</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D2 =
color=3Dnavy
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Can you
put it in the exhaust cross over on the intake?</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<p class=3DMsoAutoSig style=3D'margin-left:1.0in'><b><font size=3D3 =
color=3Dnavy
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;color:navy;font-weight:
bold'>Bill</span></font></b></p>

<p class=3DMsoAutoSig style=3D'margin-left:1.0in'><b><font size=3D3 =
color=3Dnavy
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;color:navy;font-weight:
bold'>USN-1</span></font></b></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:1.0in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

-----Original =
Message----- 
From: =
diy_efi-bounces at diy-efi.org
[mailto:diy_efi-bounces at diy-efi.org] On
Behalf Of Wallace O. Powelle 
Sent: Saturday, August =
07, 2004
10:26 PM 
To: =
diy_efi at diy-efi.org 
Subject: [Diy_efi] TBI in =
boat

<p class=3DMsoNormal style=3D'margin-left:1.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

I'm going to put a TBI =
system of of
a 305 chevy on my Volvo Penta 305.&nbsp; Any advice or words of warning =
would
be appreciated. Should I be able to get by with the factory prom, Is =
there a
built in rev limit, does anyone know of a source for a spacer to install =
O2
sensor between manifold &amp; riser?&nbsp;&nbsp;Thanx, =
Wallace&nbsp;

</div>

<div class=3DMsoNormal align=3Dcenter =
style=3D'margin-left:.5in;text-align:center'><font
size=3D3 face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter>

</span></font></div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'>______________________________________________=
_<br>
diy_efi mailing list<br>
diy_efi at diy-efi.org<br>
http://lists.diy-efi.org/mailman/listinfo/diy_efi</span></font></p>

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