[Gmecm] SB Chevy in boat

[Steve Ravet]

> -----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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