 Choice of plugs??? |
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| ninefourteener |
  Nov 15 2004, 11:09 AM
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#1
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Perfectly Normal Guy :)  Group: Members Posts: 1,216 Joined: 3-June 03 From: St. Louis, MO Member No.: 779  |
I took the teener out for a short drive the other day. Its much colder now, so it took considerably longer to warm up. Once it did, it ran great, as usual. However, while it was still cold, I noticed a bit of backfiring on decelleration.
I figure its about time to drop a new set of plugs in the car. It's a 2.0-4, with dual Solex Carbs. The carbs are set REALLY rich, so it's pretty "gassy" at startup, but once it warms up, I love the way it runs, so I don't want to mess with the settings. Everyone has a different opinion on a good set of plugs for good performance. I've used Accel, splitfire, Bosch +4, etc. Some cars like em, other's don't. Of course, that was in my old 70's GM days. Never put a set of plugs in the teener yet. Suggestions on a good plug for my situation? |
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| Root_Werks |
Nov 15 2004, 11:31 AM
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#2
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Village Idiot Group: Members Posts: 8,319 Joined: 25-May 04 From: About 5NM from Canada Member No.: 2,105 Region Association: Pacific Northwest 
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Bosch
W7DTC - tripple electrode, work great on carbs. W7DC - stand Copers, work fine, less $$$ then the DTC's. NGK BP7ES - Is that the number? Either way, both plugs in that heat range should work well with you engine set up. The DTC's the best, but they are like $3-4 a plug. (IMG:style_emoticons/default/beerchug.gif) |
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| Root_Werks |
Nov 15 2004, 11:33 AM
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#3
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Village Idiot Group: Members Posts: 8,319 Joined: 25-May 04 From: About 5NM from Canada Member No.: 2,105 Region Association: Pacific Northwest
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Oh yeah, add an "R" to any of the part numbers if you listen to your radio. (IMG:style_emoticons/default/wink.gif)
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| joea9146 |
Nov 15 2004, 11:58 AM
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#4
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Senior Member Group: Members Posts: 663 Joined: 10-February 03 From: Denver, NC Member No.: 283 Region Association: None |
NGK Copper tip Either BP7ES of BP6ES
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| nebreitling |
Nov 15 2004, 03:16 PM
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#5
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Member Emeritus Group: Members Posts: 3,314 Joined: 26-March 03 From: San Francisco Member No.: 478 |
pull the plugs and see what they look like.
a little rich is okay -- a lot rich ain't. was it backfiring through the exhaust or carbs? |
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| KenH |
Nov 15 2004, 04:01 PM
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#6
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Senior Member Group: Members Posts: 680 Joined: 16-January 03 From: Gilroy, CA Member No.: 156 |
W7DTC
Ken |
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| Brett W |
Nov 15 2004, 05:23 PM
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#7
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Advanced Member Group: Members Posts: 2,856 Joined: 17-September 03 From: huntsville, al Member No.: 1,169 Region Association: None
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Bosch Plugs suck. I won't run anything but NGK B7ES or maybe even a B6ES for a hotter running plug. My cars and carsI have tuned have never run worth a crap on Bosch plugs.
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