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View Poll Results: Which Brand of spark plug you run? | |||
Autolite |
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3 | 2.13% |
AC-delco |
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66 | 46.81% |
Accel |
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1 | 0.71% |
E3 |
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4 | 2.84% |
Champion |
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0 | 0% |
Bosch |
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11 | 7.80% |
Brisk |
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0 | 0% |
Torque Master |
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1 | 0.71% |
Motorcraft |
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0 | 0% |
NGK |
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45 | 31.91% |
Pulstar |
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0 | 0% |
Splitfire |
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1 | 0.71% |
Denso |
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9 | 6.38% |
Voters: 141. You may not vote on this poll |
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#1 |
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Please Let us know what plug you run, and your opinon about it.
most Spark plugs in the poll have part number for Zr-1. What I use now is Torgue Master Spark plug, it is the same as BRISK PREMIUM LGS. I use them more than 1 year with NO fail and the lt5 become more aggressive than before and still... the picture is here: ![]() Last edited by HADI-ZR1; 09-22-2008 at 06:18 AM. |
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#2 |
Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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i am currently using the e3 in the callaway and the new bosch ultimate in the 90
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#3 |
Join Date: May 2005
Location: Leesburg, VA
Posts: 2,713
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NGK iridiums
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Bob Saveland Former owner of #2517 [IMG]http://a.random-image.net/aurora40/vette.jpg[/img] |
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#4 |
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My next test would be Brisk DOR15LGS!
here the email i got from BriskUSA and i post it here for info. exchange! With nitrous we recommend heat range Brisk 14The measured gap is about 2.5 mm. However LGS style plug is a semi-surface discharge plug that requires significantly less energy to jump the gap than standard plug. This plug works well in applications where recommended standard gap is .8mm and up. The stock ZR1 use DOR15LGS, if modified or nitrous you should use DOR14LGS or DOR14LGS-T ( a version with reduced gap for high compression, forced induction or nitrous applications). Best regards, Chris http://www.briskusa.com/images/GMHighTechMagazine.pdf Last edited by HADI-ZR1; 09-22-2008 at 12:29 PM. |
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#5 |
![]() Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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I use AC Delco plain jane resistor plug i think it's 61-402 gaped at .035
I'm not a big believer in maricle plugs or snake oils,unless somebody has real proof any of the snake oil,plugs make more power i will stick with AC Delco's. Pete
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'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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#6 | |
![]() Join Date: Dec 2003
Location: S. Florida
Posts: 2,667
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#7 |
![]() ![]() Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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I was trying to run down an intermittent stumbling problem when I replaced my plugs with the platinum AC/Delcos. The stumbling turned out not to be the plugs, however.
That said, I'm happy with the performance. But, I don't think I would go "platinum" again. My research since then leads me to question the value of the longer life touted by platinum in my specific application (read: street driven and no full-out racing to speak of). Plugs in a street driven car degenerate in a more or less linear fashion - in 3 phases, if you will: At first they are good, then so-so, and then there is that phase where they work but really need to be replaced. The difference between the standard plugs and the platinum plugs is the length of those three phases...and of course the initial cost. So, I've concluded that the standard plugs are cheap enough and they're easy enough to replace on the LT5 that I can afford to replace them regularly enough to keep the plugs in that "new" phase. (That said, platinum plugs cost about the same as a tank of gas. So, replacing them every 5+ years...is no biggie either way, I recon.) Different applications dictate different plugs. Those that autocross or drag race a lot would have different ideas than those like me, I'm sure. |
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#8 |
![]() Join Date: Nov 2006
Location: Germantown, Maryland
Posts: 522
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AC-Delcos
- Keith |
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#9 |
![]() Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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I'm sure that there are better plugs than the GM replacement for the FR2LS plugs. I just feel that buying the regular 61-402's @ .35", and throwing them out every winter isn't killing me cost wise. I would even believe that the 402's aren't really a direct replacement for the 2ls's.....but the 402's seem to work real well for 5k miles at least.
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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#10 |
Join Date: Apr 2008
Location: Gainesville GA
Posts: 231
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AC for me. They are easy enough to change out if need be.
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1991 ZR1, White/Red. |
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