 Mallory Unilite with 40,000 volt coil plug gap? |
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| Geezer914 |
 Aug 20 2024, 06:10 PM
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#1
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Geezer914  Group: Members Posts: 2,010 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States 
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2056 with 9:1 CR, Ljet injection, Mallory Unilite distributor, with Petronix 40,000 volt coil. What plug gap should I use?
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Replies(1 - 7)
| VaccaRabite |
Aug 21 2024, 07:21 AM
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#2
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En Garde! Group: Admin Posts: 13,756 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region
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Basically stock gap.
I think that you can open the gap up by .005 or something stupid small like that. Small enough that you can't tell the difference on one of the round plug gap disks you can find at FLAPS. BTW, if you have any worn plug wires you WILL find them with the bigger coil. You are likely going to need the HD spiral wound wires if you don't already have them or you will burn out the optical sensor in the Mallory UNilite. BTDT. Started keeping a spare optical unit in my tool box. Zach |
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| Geezer914 |
Aug 21 2024, 07:44 AM
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#3
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Geezer914 Group: Members Posts: 2,010 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States
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Thanks for the reply. I have MSD spiral core plug wires, Mallory voltage spike filter and spare modules in the tool box. Currently plugs are gaped at.030.
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| yeahmag |
Aug 22 2024, 11:25 PM
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#4
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Advanced Member Group: Members Posts: 2,455 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California
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You are NOT running a CDI, correct? If you are, feel free to open the gaps to .045".
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| Geezer914 |
Aug 23 2024, 08:04 AM
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#5
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Geezer914 Group: Members Posts: 2,010 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States
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No CD.
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| technicalninja |
Aug 23 2024, 08:07 AM
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#6
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Advanced Member Group: Members Posts: 2,531 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region
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QUOTE(Geezer914 @ Aug 23 2024, 09:04 AM)  No CD. Why not? |
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| Shivers |
Aug 23 2024, 08:42 AM
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#7
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Senior Member Group: Members Posts: 3,076 Joined: 19-October 20 From: La Quinta, CA Member No.: 24,781 Region Association: Southern California |
QUOTE(Geezer914 @ Aug 23 2024, 07:04 AM) No CD. I use an old Crane Fireball, been on there forever. There is better stuff out there now. Hands down the best thing I ever did to make my car reliable. A couple cranks in the morning and "VROOM!" That and a hot start kit and I could take it anywhere. |
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| 930cabman |
Aug 23 2024, 02:18 PM
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#8
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Advanced Member Group: Members Posts: 4,168 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States
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2.7/6 cyl, Weber 40IDT carbs, MSD 6AL Pertronix 1847 Ignitor, running .045 plug gaps. Runs great for the most part.
Not sure how similar to the Mallory? Trying to get her painted before winter, will do more sorting in the spring |
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