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Joined: Sep 2021
Posts: 2
Grease Monkey
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OP
Grease Monkey
Joined: Sep 2021
Posts: 2 |
Hello my name is Kyle and I recently purchased a 1935 Chevy Master sedan. The car is original with the exception of a 12 volt conversion. I am getting ready to do a tune up and was wondering if anyone had recommendations for the best spark plug and plug gap for this application, as well as any other tune up specifications for one of these cars that has been converted to 12 volts...I do have a repair manual for the car, however I figured some of the information may no longer be applicable. I have owned and driven a few newer Chevys with 216's/235's and am in the process of restoring a 1936 Chevy pickup, however this is my first drive-able prewar Chevy so there's going to be a bit of a learning curve.
Thanks in advance for your help!
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Joined: May 2002
Posts: 6,149 Likes: 42
ChatMaster - 6,000
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ChatMaster - 6,000
Joined: May 2002
Posts: 6,149 Likes: 42 |
Welcome to Chatter.
I doubt the 12v conversion would make any difference and would be using the specifications in the manual.
Tony
1938 1/2 ton Hope to drive it before I retire
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
An AC45 spark plug is good for most drivng conditions.
A properly 12 volt systm runs the ignition system on 7 volts due to the resistor used.
Last edited by Chev Nut; 09/04/21 09:19 AM.
Gene Schneider
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Joined: Dec 2007
Posts: 4,024 Likes: 99
ChatMaster - 4,000
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ChatMaster - 4,000
Joined: Dec 2007
Posts: 4,024 Likes: 99 |
I concer with Gene and Tony. The 12 volt conversion will not change the spark plug requirement.
If the conversion does not have a drop down resistor in the ignition circuit be repaired to replace the points and coil frequently. In fact I would carry a spare of both. Plus a condenser.
Rusty
VCCA #44680
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Joined: Sep 2021
Posts: 2
Grease Monkey
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Grease Monkey
Joined: Sep 2021
Posts: 2 |
Thank you for the quick responses, I guess I was just overthinking things as usual! The car does have a drop down resistor wired in. I'll pick up some Ac45 plugs today.
Thanks again I appreciate the help!
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Joined: Jul 2008
Posts: 1,896 Likes: 28
ChatMaster - 1,500
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ChatMaster - 1,500
Joined: Jul 2008
Posts: 1,896 Likes: 28 |
It would be AC R45 the 45's have not been made for years.
Dave
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