[Gmecm] SB Chevy in boat

[DV Fagan]

Hi,
Why not use the over 8500# or leaded gas chip as a
starting point.  Both are no O2, open loop patterns.
I'm not sure of the code but but I think one is BDUZ.
Dennis 

--- Steve Ravet <Steve.Ravet at arm.com> wrote:

>  
> 
> > -----Original Message-----
> > From: gmecm-bounces at diy-efi.org 
> > [mailto:gmecm-bounces at diy-efi.org] On Behalf Of
> Don Sauman
> > Sent: Wednesday, August 16, 2006 1:53 AM
> > To: gmecm at diy-efi.org
> > Subject: [Gmecm] SB Chevy in boat
> > 
> > Guys
> > 
> > I am looking at replacing the I-6 250ci
> Chevy/Mercruiser 
> > engine in my 21' deep V offshore sport boat.
> > 
> > I have 8.5CR Chevy 350 short motor which I will
> build with (probably)
> > LT1 heads and a TBI manifold. I have a TBI unit ex
> a C/K 
> > truck and a couple of 1227747 ECM and vehicle
> wiring diagrams.
> > 
> > Can I get some advice on: code for ECM ie BCC etc,
>  best 
> > ignition system for this application, camshaft
> type, or any 
> > other comments.
> 
> Hi Don, let me add another question to yours.  How
> do you tune a boat
> installation?  In an I/O boat (for those who don't
> know) the exhaust
> manifold is cast with a water jacket around it, and
> water is injected
> into the exhaust so that it can pass through rubber
> bellows on it's way
> out the stern drive.  It doesn't seem like there's a
> way to install an
> O2 sensor.  I have a Mercury only block, 215 CI or
> so 4 cyl aluminum
> block so there's no factory efi.
> 
> --steve
> 
> 
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