Re: 1955 & 1956 Starter. Delco or Autolite interchange
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Home away from home
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Sourced a starter from Beautiful Duluth MN, scrubbed it up a little and have it in. I believe that there are a couple of advantages in going with a Delco over the Autolite.
(A)It is about an inch shorter and thus lighter which combines for easier installation. (B) The solenoid is configured a little differently so the clutch return spring clears the Battery terminal by more than the previous 1/4 inch. ![]() (C)It has 2 sets of brushes instead of one and the starter spins noticeably faster. This combined with greater parts availability makes it a no brainer. Tonight I am off to the cruise-in to enjoy vapor lock season!
Posted on: 2017/7/1 14:35
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Re: 1955 & 1956 Starter. Delco or Autolite interchange
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Forum Ambassador
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Glad the MN parts man had a starter available. As Ross pointed out, the Delco solenoids pull quite a bit more current compared to the Autolites. With the 55-56 (and even the 54) key start ignition switches being somewhat low capacity in the starter contact department and starting to be expensive and harder to come by, it wouldn't hurt to take a bit of that heavy current load out of the switch.
There have been some reports that adding a relay to operate the solenoid was a factory suggestion but I have not come across any documentation to that effect -- although It may be in some of the Stude bulletins that I don't have. Here is a diagram I threw together of what needs to change if anyone wanted to add a relay. One of the 4 pin 30 amp cube type relays available from numerous ebay vendors could be mounted inline behind the dash where it would not be noticed or it could be placed at the solenoid too. Either position would work with the only difference being if the neutral safety switch or relay on cars so equipped was before or after the relay. The added battery connection could be picked up easily at either place.
Posted on: 2017/7/1 15:03
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Howard
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