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so I bought an alternator today for a 1970 Ford LTD 390 and when I try to install it the alternator hits the head? the pic is the alternator brackets I have, as I need to totally wire the truck (Rebel Wiring 9+3 kit), can I use say a alternator from a more modern Ford like a 87-93 5.0 mustang? I don't know if they make a thinner alternator but was thinking if I use a more modern one I can eliminate a lot of stuff like voltage regulator etc, by going to a 1 wire alternator. Not sure what to do.
Help!!!
Don
Most Fords I have owned had a thick aluminum spacer on the bolt between the alt and head. Never had an FE engine though.
You can use whatever alternator you want as long as you can fit it. Internally regulated is definitely more wiring friendly. I have "heard" one wire alternators don't charge well at idle. Never had one though.
The later you go the more likely the pulleys will be for serpentine belts. Probably can be changed. I saw a chart once that had a list of specs and dimensions for Ford alternators. Maybe a google search will find it. Wish I could give you more specific information.
Seems to me there was a spacer on the long bolt. Not sure though, that was way back in the day. They were about an inch long maybe. Do you have the right brackets? Will the pulleys line up if the alt. was out further?
yes I have the spacer etc. I've read on other hot rod/Ford forums, the alternator hitting the head on high mount set up is common, gonna go find a different alternator today.
Don
I tried a GM 1 wire unit off a 70 El Camino 454 and it's also too big and hits the head, Anyone know of one that will work? Whats all this 3g conversions stuff I've been reading about? I've already been back and forth to O'Rielly's 4 times and can't find anything to fit getting frustrated.
I used an S1 delco( bought it from a shop that overhauls starters and alternators) on my 292 worked out great, you know that you can clock the Alternator to fit different apps also sometimes you got to fab the brackets and spacers it was only a 60amp
I think the deal with the "1 wire" alternators that some take issue with is the need to initially blip the throttle to get charging started. In that sense they don't charge at idle, at least not at first. Maybe just a small annoyance, but that's why.
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