Which alternator......
More Turbo
Joined: Jun 2015
Posts: 534
Likes: 27
From: North Texas
I ran into the reliability issue that "Blue and White" mentions with reman/premium remans so I got one of those Powermaster 7078 (75amp) alternators from Summit/Jegs and never looked back. It's NEW, bolted right up (v belt, 1G), retained all the wiring/gauge functionality that I've read you lose (or have to retrofit) in most 1 wire 3g conversions and I got plenty of juice to boot.
Note: it did set me back $125 which as the other guys say - not the cheapest route.
2cents: I went with the 75amp 1G because I'd read (likely in FTE) that 1G's >100amp can give the external regulators trouble, If I needed that much I'd have gone 3G like the guys here recommend.
Note: it did set me back $125 which as the other guys say - not the cheapest route.
2cents: I went with the 75amp 1G because I'd read (likely in FTE) that 1G's >100amp can give the external regulators trouble, If I needed that much I'd have gone 3G like the guys here recommend.
Lead Driver
Joined: Apr 2011
Posts: 6,399
Likes: 40
From: El Dorado, Arkansas
My 130a 3G isn't a one wire setup, although it was very easy to tie it into the existing wiring.
The 3G has a built-in voltage regulator and dual internal fans. The old external regulator and its associated wiring clutter goes away.
The 3G has a built-in voltage regulator and dual internal fans. The old external regulator and its associated wiring clutter goes away.
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Fleet Mechanic
Joined: Aug 2004
Posts: 1,311
Likes: 31
From: Nevada
Thanks for all the input fellas, decided to go with a New alternator from Summit 'Tuff Stuff 7078' 70amp...... 
Had great reviews. And its reallllly nice being in the same state as the Summit Racing western warehouse, cuz it will be here tomorrow, never had an order that didn't show up the next day 
Want to make sure I had enough parts to keep me at work on the truck through the holiday weekend..... Hopefully this weekend, headers are in, alternator in, power steering pump replaced, hoses replaced and pump mounted........ Then I can start looking at radiators 
which reminds me I need to update my rubbing flexplate post.....
Had great reviews. And its reallllly nice being in the same state as the Summit Racing western warehouse, cuz it will be here tomorrow, never had an order that didn't show up the next day Want to make sure I had enough parts to keep me at work on the truck through the holiday weekend..... Hopefully this weekend, headers are in, alternator in, power steering pump replaced, hoses replaced and pump mounted........ Then I can start looking at radiators which reminds me I need to update my rubbing flexplate post..... 
Post Fiend
Joined: Dec 2006
Posts: 9,111
Likes: 3
From: Lexington Mo
My Flex Fuel was on longer than that, but it has my Coyote decal on it too now, as well as both front doors.
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