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Re: [GMCnet] motor and transmission removal [message #154705 is a reply to message #154700] Wed, 28 December 2011 20:04 Go to previous messageGo to previous message
hnielsen2 is currently offline  hnielsen2   United States
Messages: 1434
Registered: February 2004
Location: Alpine CA
Karma:
Senior Member
On the FI it was MSD all in one unit without return line.
I'm running Howell and have for over seven plus years.
Very happy with our Howell.
Howard

----- Original Message -----
From: "Larry Davick" <ljdavick@comcast.net>
To: <gmclist@temp.gmcnet.org>
Sent: Wednesday, December 28, 2011 17:04
Subject: Re: [GMCnet] motor and transmission removal


> In California you'll have to put the carburetor back on to pass smog, but
> that's only every other year. Port injection vs throttle body is an
> interesting choice, but I'm not sure what the benefit would be at our low
> RPM's. The GMC EFI group on google has been mostly discussing the Howell
> TBI with the DynamicEFI EBL that allows great flexibility in the fuel
> injection and spark control tables. Of course the EBL also works with
> multi-point fuel injection, so that might be helpful.
>
> Somebody mentioned a vendor offering a new electronic fuel injection, was
> it Holley? In any case their offering didn't control spark (I believe)
> and that's half the battle...
>
> If you will swap between fuel injection and a carb, then you'll have to
> somehow manage fuel pump pressure. Too much will certainly flood the carb
> and too little will kill your fuel injected engine's performance.
>
> Larry Davick
> Sent from my iPad
>
> On Dec 28, 2011, at 3:05 PM, cameron <.net> wrote:
>
>>
>>
>> Also here are the particulars
>> 1976 Palm Beach
>> I have owned it for three years and on the last trip it started to have
>> less power than usual and was burning a ton of oil.
>> That is when I decided it was time to tear the motor down and rebuild.
>> I usually drive up to Tahoe in July so I need to get things going.
>> Has anyone done direct injection using the Rockwell intake?
>> That is also something I am going to do on this rebuild.
>> Smog is the only hic up though.
>> Also planning on putting in positraction.
>> I have done engine rebuilds and replacements on other cares but I must
>> admit that this is not as straight forward
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All is well with my Lord

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