I found that the electric fans I installed really crushed the voltage levels with the original 10DN type alternator. After some investigation I determined the simplest solution was to upgrade to a CS-130 style internally regulated alternator and after a fair amount of looking around I found this unit that was originally specified for a 1988 Chevy Caprice Wagon with the Olds 307 engine:
http://www.oreillyauto.com/site/c/detail/ULT0/010381.oap?year=1988&make=Chevrolet&model=Caprice&vi=1037089&ck=Search_01468_1037089_2538&pt=01468&ppt=C0330
I installed it yesterday in a few minutes using this harness (Delco DN to CS - Part # W315CS):
http://www.qualitypowerauto.com/catalog.php?item=81
It took just a few minutes to remove the old alternator, find a bolt to replace the original upper bolt due to the new alternator having no threads in the small ear and installing the wiring harness adapters (they provide a jumper for the Voltage Regulator connector that jumps two contacts; you can also jump these inside the case to maintain a stock look if desired). The result is rock solid voltage at any engine speed with or without the fans cranking. I highly recommend this upgrade for all situations as it is just a much better unit that provides better voltage at low engine speeds while providing 105 amps.
CS-130 Alternator Upgrade
- xgecko
- Posts: 454
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- Years Owned: My first Toronado was a 1968 W-34 with the bucket seats and center console... (weeps gently) It was a New England rustbucket in 1982 after less than 14 years. So sad. But it is what infected me and before I knew it I had another '68, a '69, a '70 and eventually inherited a friend's '67 and another friends '73. After buying my brand new Grand Prix in 1988 I retired the last of my Toronados and pulled the 455 I had rebuilt along the way and put it into storage in a friend's barn where it is to this day.
In Mid September of 2010 I happened to see a repeat of the show where Jay Leno did his 66 Toronado and had an instant remission of the disease which resulted in my purchase of a 1969 in very good condition. I am now in the process of fully rehabilitating it and hope to have it on the road in the spring of 2011. - Location: Gig Harbor, WA
CS-130 Alternator Upgrade
I have my Fuel Injected Toronado. Life is good!
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- Years Owned: Would like a 1966-67 Toronado.
OWN: 01 Corvette, 00 Ford Excursion 4x4 Diesel, 96 Impala SS, 95 Buick Roadmaster, 88 Lincoln Mark VII LSC, 86 Ford F250 4x4 Diesel, 83 Chrysler Cordoba and 79 "Bandit" Trans Am - Location: N. California
Re: CS-130 Alternator Upgrade
Great info, especially that you included part #'s. Thanks for posting.
God Bless America!
- xgecko
- Posts: 454
- Joined: Wed Oct 13, 2010 9:21 pm
- TOA Membership Number: 831
- Years Owned: My first Toronado was a 1968 W-34 with the bucket seats and center console... (weeps gently) It was a New England rustbucket in 1982 after less than 14 years. So sad. But it is what infected me and before I knew it I had another '68, a '69, a '70 and eventually inherited a friend's '67 and another friends '73. After buying my brand new Grand Prix in 1988 I retired the last of my Toronados and pulled the 455 I had rebuilt along the way and put it into storage in a friend's barn where it is to this day.
In Mid September of 2010 I happened to see a repeat of the show where Jay Leno did his 66 Toronado and had an instant remission of the disease which resulted in my purchase of a 1969 in very good condition. I am now in the process of fully rehabilitating it and hope to have it on the road in the spring of 2011. - Location: Gig Harbor, WA
Re: CS-130 Alternator Upgrade
It is a good, inexpensive and simple upgrade that significantly improves the electrical system.
You can even keep the stock look by shorting the internal contacts in the regulator.
You can even keep the stock look by shorting the internal contacts in the regulator.
I have my Fuel Injected Toronado. Life is good!
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