 Recommended plug gap for 2270 with elec ignition |
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| era vulgaris |
 Mar 8 2016, 02:03 PM
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#1
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J is for Genius  Group: Members Posts: 982 Joined: 10-November 13 From: Raleigh, NC Member No.: 16,629 Region Association: South East States  |
I'm planning on doing a full tune up this week: plugs, wires, cap, etc etc. Just curious what plug gap I should be running with a 2270 with Mallory Unilite dizzy and MSD 6AL box. Is the stock gap ok for that setup?
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Replies(1 - 9)
| michael7810 |
Mar 8 2016, 05:03 PM
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#2
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Senior Member Group: Members Posts: 1,081 Joined: 6-June 11 From: Scottsdale, AZ Member No.: 13,164 Region Association: Southwest Region 
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| Mike D. |
Mar 8 2016, 05:41 PM
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#3
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OK, It runs now, and pretty good too! Group: Members Posts: 1,445 Joined: 3-January 03 From: Santa Clarita, Ca Member No.: 85 Region Association: None
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I have the exact same set up and have plugs gapped at .050 - I run a little rich across the range and when the plugs come to be checked they look perfect; clean, dry, light tan.
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| era vulgaris |
Mar 8 2016, 07:22 PM
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#4
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J is for Genius Group: Members Posts: 982 Joined: 10-November 13 From: Raleigh, NC Member No.: 16,629 Region Association: South East States |
Awesome thanks. Wow that's almost twice the stock gap! Yeah I run a little rich too. I keep my AFR in the high 11's to low 12's. It's where my head temps are happiest.
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| McMark |
Mar 9 2016, 07:54 AM
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#5
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
What coil is Mike running?
What coil is Era running? |
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| falcor75 |
Mar 9 2016, 07:59 AM
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#6
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Senior Member Group: Members Posts: 1,579 Joined: 22-November 12 From: Sweden Member No.: 15,176 Region Association: Scandinavia
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I run 0,8mm/0.032" on a stockish 2.0 with EFI and individual LS coils.
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| era vulgaris |
Mar 9 2016, 08:47 AM
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#7
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J is for Genius Group: Members Posts: 982 Joined: 10-November 13 From: Raleigh, NC Member No.: 16,629 Region Association: South East States |
I'm running the MSD Blaster 2 coil
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| McMark |
Mar 9 2016, 08:59 AM
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#8
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
You should be able to get away with a larger gap then. As long as your compression ratio it's insane. (IMG:style_emoticons/default/wink.gif)
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| stugray |
Mar 9 2016, 09:32 AM
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#9
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Advanced Member Group: Members Posts: 3,825 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None |
From my notes:
"How much to increase the plug gap when upgrading to capacitive discharge ignition (MSD) 6AL. As a rule of thumb, it is recommended to increase the plug gap by .005” - .010” followed by testing and tuning. http://www.msdperformance.com/uploadedFile..._tb_top_ten.pdf A lot of mentions of .045: http://www.914world.com/bbs2/lofiversion/i...php?t33232.html Using .038 at first" |
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| yeahmag |
Mar 9 2016, 06:10 PM
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#10
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Advanced Member Group: Members Posts: 2,422 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California
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NGK B6ES-11 (pre-gaped)
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