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Join Date: Mar 2007
Location: Panama City Beach
Posts: 2,294
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Distributor question for early car
Building a 2 liter six. Originally it had Marelli. In another car a Bay Area wizard changed to a Bosch for me a 100 years ago with great results.
Based on that experience I was planning to change to a Bosch. The engine has S p/c, DC 30 cams and big valves. Need source for rebuild and reprofiling a Bosch (E) distributor. Or am I better going with 1-2-3 ….. Thanks
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09-10-2025, 12:18 PM
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Join Date: Apr 2007
Location: OC
Posts: 822
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Is it really possible to re-profile an E distributor ? go with the 1-2-3 . Did the 2 liters originally
come with a Marelli ? E and S distributors are the same excepting the rotor . |
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09-10-2025, 08:26 PM
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Join Date: May 2005
Location: trumpistan
Posts: 9,868
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The’65 911 I used to have had a Bosch distributor.
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09-11-2025, 04:34 AM
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Location: Panama City Beach
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Distributor
The 914-6 engine (T) had Marelli which is what I have.
And to clarify your question Richey, do you mean E and S same except for higher rpm red line? Thanks
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09-11-2025, 05:12 AM
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Yes , same except for the governor / rotor .
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09-11-2025, 06:58 AM
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Rosco_NZ
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I would just go with 1-2-3, strong reliable ignition is key to a good engine. 123 will enable tuning your engine much more easily than distributors with springs. Not to mention bush / shaft wear. If you want to retain an original distributor for looks, consider getting it locked & fitted with Pertronix Ignitor and tune your curve in a programable CDI box.
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Yesterday, 11:53 AM
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Join Date: Apr 2021
Location: NORCAL
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It has been a really long time but Deering Industries in Long Beach, Ca and Stanton speedo in Stanton, Ca re-curve distributers I am sure there is still some old school hot rod shops that do it. It is not hard to do on your own, but it is very time consuming. I would call places like Wilhoit, Emory, even Patrick. If they don't do it they probably know somebody who does. It is not the rotor that makes a difference it is the weights and springs. They limit how much total advance, how fast it advances, and when it advances. Don't let someone convince you to buy or do something.
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Yesterday, 12:18 PM
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