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Re: 28SI Alternator vs 27SI [message #360249 is a reply to message #360217]

Mon, 23 November 2020 08:25

TR 1

Messages: 348
Registered: August 2015
Location: DFW

Karma:

Senior Member

Ken,

That 145amp "DELCOTRON" is a beast.... It looks to be a "40SI"... Which if I'm reading the specs I see online correctly, goes up to like 375amps in the largest versions.... As I mentioned, I do not have heads on my motor right now, but I can't imagine that alternator fitting in my engine bay....

Does anyone know if the 403 has a shorter deck height than the 455.... If it does, maybe that is why it is able to fit since you say it was offered on a 78? A taller alternator bracket would position the alternator above the valve cover, which I could see working if the engine was a bit shorter than what I see in my engine bay.

I'd love it if I was wrong, though... As using an OEM spec'd alternator would be the best option for sure...

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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[Message index]

		28SI Alternator vs 27SI By: TR 1 on Fri, 20 November 2020 11:46
		Re: 28SI Alternator vs 27SI By: Matt Colie on Fri, 20 November 2020 14:27
		Re: 28SI Alternator vs 27SI By: TR 1 on Fri, 20 November 2020 18:19
		Re: 28SI Alternator vs 27SI By: TR 1 on Fri, 20 November 2020 18:37
		Re: 28SI Alternator vs 27SI By: Matt Colie on Fri, 20 November 2020 20:13
		Re: 28SI Alternator vs 27SI By: Ken Burton on Sat, 21 November 2020 01:19
		Re: 28SI Alternator vs 27SI By: Ken Burton on Sat, 21 November 2020 01:35
		Re: [GMCnet] 28SI Alternator vs 27SI By: Ray Erspamer on Sat, 21 November 2020 17:50
		Re: 28SI Alternator vs 27SI By: JohnL455 on Sat, 21 November 2020 19:47
		Re: 28SI Alternator vs 27SI By: JohnL455 on Sun, 22 November 2020 18:35
		Re: 28SI Alternator vs 27SI By: TR 1 on Mon, 23 November 2020 08:25
		Re: 28SI Alternator vs 27SI By: JohnL455 on Mon, 23 November 2020 10:16
		Re: 28SI Alternator vs 27SI By: TR 1 on Mon, 23 November 2020 10:34
		Re: [GMCnet] 28SI Alternator vs 27SI By: James Hupy on Mon, 23 November 2020 11:06
		Re: [GMCnet] 28SI Alternator vs 27SI By: Ken Henderson on Mon, 23 November 2020 12:00
		Re: [GMCnet] 28SI Alternator vs 27SI By: Ken Burton on Wed, 25 November 2020 02:35
		Re: [GMCnet] 28SI Alternator vs 27SI By: Ken Henderson on Wed, 25 November 2020 05:06
		Re: [GMCnet] 28SI Alternator vs 27SI By: Matt Colie on Wed, 25 November 2020 09:59
		Re: [GMCnet] 28SI Alternator vs 27SI By: Ken Burton on Wed, 25 November 2020 18:00
		Re: [GMCnet] 28SI Alternator vs 27SI By: Matt Colie on Wed, 25 November 2020 19:12
		Re: 28SI Alternator vs 27SI By: TR 1 on Mon, 23 November 2020 12:04
		Re: 28SI Alternator vs 27SI By: TR 1 on Wed, 25 November 2020 09:58
		Re: 28SI Alternator vs 27SI By: TR 1 on Wed, 25 November 2020 12:22
		Re: 28SI Alternator vs 27SI By: mghamms on Wed, 25 November 2020 12:35
		Re: 28SI Alternator vs 27SI By: TR 1 on Wed, 25 November 2020 13:14
		Re: 28SI Alternator vs 27SI By: mghamms on Wed, 25 November 2020 13:45
		Re: 28SI Alternator vs 27SI By: Matt Colie on Wed, 25 November 2020 17:23
		Re: 28SI Alternator vs 27SI By: jhbridges on Wed, 25 November 2020 18:59
		Re: 28SI Alternator vs 27SI By: Matt Colie on Wed, 25 November 2020 19:18
		Re: 28SI Alternator vs 27SI By: mghamms on Thu, 26 November 2020 10:51
		Re: 28SI Alternator vs 27SI By: TR 1 on Fri, 04 December 2020 12:58

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