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Fifth Avenue garage alternators?
#1324704 Tue Sep 03 2019 04:54 PM
Joined: Sep 2019
Posts: 57
M
Wrench Fetcher
I am looking to get a 6 volt alternator for my 1948 Chevy 3/4 ton. adn have been looking at the ones offered by 5TH Avenue Garage, which seem to be nearly $100 more than a AC Delco-- are they worth it???


1948 3/4 ton Chevy Pickup
Re: Fifth Avenue garage alternators?
MontanaLee #1324725 Tue Sep 03 2019 06:41 PM
Joined: May 2005
Posts: 7,012
B
General Purpose
Why would you switch from a generator to an alternator and not go 12V conversion instead? Don't now what 6V AC Delco you are talking about, please give a link. No matter what you buy, you are going to get get a AC Delco or rebuilt AC Delco, modified standard 10si.
,
Some of these vendors may be taking This and adding
this. Your cost to do it....$54

I advise going 12V conversion. Easy to do, cheaper/more available components. See the "Tip Section" on here.



I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.
Plan B is always better than plan A, by definition.


Re: Fifth Avenue garage alternators?
MontanaLee #1324730 Tue Sep 03 2019 06:53 PM
Joined: Sep 2019
Posts: 57
M
Wrench Fetcher
that option is available as well, but their 12v generators are equally more expensive . really new to this an very open minded looking for options, thanks for weighing in.


1948 3/4 ton Chevy Pickup
Re: Fifth Avenue garage alternators?
MontanaLee #1324737 Tue Sep 03 2019 07:49 PM
Joined: Sep 2019
Posts: 57
M
Wrench Fetcher
thanks for the advise


1948 3/4 ton Chevy Pickup
Re: Fifth Avenue garage alternators?
MontanaLee #1324746 Tue Sep 03 2019 09:22 PM
Joined: May 2005
Posts: 7,012
B
General Purpose
No problem, but be sure of your terms. "Alternator" is different than "generator". I think there are alternators that look like generators. In the UK they are all Dynamos. EMF'ers. Lots of other opinions on this. Wait for others to respond.


I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.
Plan B is always better than plan A, by definition.


Re: Fifth Avenue garage alternators?
MontanaLee #1324770 Wed Sep 04 2019 12:23 AM
Joined: Aug 2005
Posts: 8,966
Master Gabster
THIS is what I put on my '38 years ago with no issues. There are a number of reasons to want to convert to an alternator and remain 6 volt. If your wiring connections are clean and you don't want to run a high power 12v stereo thumper, a 6 volt system is just as capable as a 12 volt on your truck. I also converted my '53 to an alternator but not the one I linked to because I picked one up at a swap meet. One thing you need to be aware of is your stock mount will not work with an alternator. You'll need to also buy/fabricate a mount.


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Re: Fifth Avenue garage alternators?
MontanaLee #1324772 Wed Sep 04 2019 12:38 AM
Joined: Jan 2013
Posts: 1,622
S
Shop Shark
Tiny, thank for the info, very interesting.
Could you please measure from the front of the mount to the center of the pulley or belt please?


1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
https://www.youtube.com/watch?v=Bli...n05i04t1aokgm4p04jiwgffwhyyih5xbk0h00410
1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration
Re: Fifth Avenue garage alternators?
MontanaLee #1324779 Wed Sep 04 2019 01:05 AM
Joined: Feb 2004
Posts: 20,200
H
Boltergeist
What is the full-load amperage output of one of those 6V converted 10 SI alternators?
Jerry


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Re: Fifth Avenue garage alternators?
Hotrod Lincoln #1324795 Wed Sep 04 2019 02:42 AM
Joined: May 2005
Posts: 7,012
B
General Purpose
Originally Posted by Hotrod Lincoln
What is the full-load amperage output of one of those 6V converted 10 SI alternators?
Jerry

The web site says "Output 60 Amps". Plenty enough for a 48 6V.


I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.
Plan B is always better than plan A, by definition.


Re: Fifth Avenue garage alternators?
sstock #1324820 Wed Sep 04 2019 11:52 AM
Joined: Aug 2005
Posts: 8,966
Master Gabster
Originally Posted by sstock
Tiny, thank for the info, very interesting.
Could you please measure from the front of the mount to the center of the pulley or belt please?

Probably won't be able to do that, at least for a while. It would require more stooping and bending than my back will allow. If you're referring to the universal gen to alt bracket they sell, it's adjustable to a wide range of applications. I used it on my '38 216 at first and it's now on my '53 235. Brackets for specific applications are also available from other sellers. Google "chevy 235 generator to alternator bracket" and you'll find lots of sellers.

Last edited by Tiny; Wed Sep 04 2019 11:58 AM.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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