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Schuies questtion:
Whats the difference between a BPR8ES and a BP8ES? What function does the Resistor hA resistor plug cuts down on EMF from the ignition system. My answer. If you do not have a resistor plug, chances are that when you turn your radio on you will hear the plugs firing through the speakers! I believe non-resistor plugs have less resistance, HA! novel concept, therefore they would be better for firing in and all out race application where cylinder pressure are really high.
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"Coffee is for Closers" "Push the button Max!!!" |
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06-10-2005, 04:41 PM
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BPR7ES vs BP7ES
I have a 73 911T 2.4 MFI Or does the car run better with IRIDIUM PLUG? BPR7EIx Last edited by Socalozzy; 07-28-2016 at 12:48 PM.. |
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07-28-2016, 12:45 PM
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Member 911 Anonymous
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Oh no, Copper only NGK or Bosch.
As far as heat range, it depends on your use?
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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07-28-2016, 01:11 PM
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Join Date: Dec 2008
Location: San Antonio, Texas
Posts: 3,590
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I run the iridium BPR7EIX on my 2.7 RS spec MFI. Runs great, and I'm a bit of a lead foot. I think the 8's are too cold, fuels have changed since the factory used to recommend the platinum W265P21 plug. The new Bosch platinum are not the same as those. Iridium si closer and has a good range.
That said I used to run the copper NGK plug in the same heat range (7) and never had problems either. The T is lower compression (7.5), so 6 might be better.
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1973 911S (since new) RS MFI specs 1991 C2 Turbo |
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07-28-2016, 04:50 PM
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Mighty Meatlocker Turbo
Join Date: Apr 2016
Location: North TexASS
Posts: 18,535
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It's always fascinating when these ancient threads get bumped to see posts from some of the great guys that have since passed - Warren (Early S Man) and Ron (RoninLB) in this thread.
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07-28-2016, 05:05 PM
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Member 911 Anonymous
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I know, their legend will live on forever in cyber space :-)
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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07-28-2016, 05:12 PM
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Join Date: Sep 2005
Location: So. Cal.
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Many would suggest that we never really die until the our memory fades from the last living souls on earth. Grateful for the old-timers who left us with such resources - may you rest in peace, and somehow understand our gratitude.
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David 1972 911T/S MFI Survivor |
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11-11-2017, 02:26 PM
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Location: I be home in CA
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Quote:
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Dan |
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11-11-2017, 04:26 PM
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MFI cars run rich. Iridium or other non copper plugs make a bigger spark. Result should be a better burn.
Chris |
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11-13-2017, 09:37 AM
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1987 Porsche 911 Carrera 3.2
Marble Grey
