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Re: [GMCnet] 28SI Alternator vs 27SI [message #360253 is a reply to message #360251] Mon, 23 November 2020 11:06 Go to previous messageGo to previous message
James Hupy is currently offline  James Hupy   United States
Messages: 6806
Registered: May 2010
Karma:
Senior Member
Yes, the deck height on a 403 is about 1" shorter than a 455. Quite a bit
more clearance between the rocker covers and the bottom of the hatch cover.
Never measured it exactly though. Just know there is much more room for my
hands between them.
Jim Hupy
Salem, Oregon

On Mon, Nov 23, 2020, 8:35 AM Mark Sawyer via Gmclist <
gmclist@list.gmcnet.org> wrote:

> JohnL455 wrote on Mon, 23 November 2020 10:16
>> I would weed them out by remote sensing first to shorten the list before
> form factor. If not you will be under Voltage chronically and batteries
>> junk in a year from sulfating.
>
> Thanks John. Will verify that for sure. I think a lot of these
> alternators are available with and without remote sensing... It's just a
> matter of
> making sure you get the correct part number to have the configuration
> required. Since the 145 amp option on the 78 was offered from the factory,
> I
> would assume it is a remote sensing alternator....
>
> --
> Mark S. '73 Painted Desert,
> Manny 1 Ton Front End,
> Howell Injection,
> Leigh Harrison 4bag and Rear Brakes,
> Fort Worth, TX
>
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