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Designer King
Join Date: Mar 2004
Location: Toronto, ON Canada
Posts: 5,499
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Resistor Plugs in Non Resistor Application?
I'm about to put a Pertronix Ignitor 2 in my 74-77 (formerly points) distributor to run my 10.3 CR 3.2L SC engine. I also have an MSD/Blaster2 CDI. I set the plug gap @.040"
I have used in the past both NGK BP6ES and Bosch W7DC plugs. Looks like there are no more plugs being produced in this range by these 2 manufacturers. Can I switch to the resistor type plugs and still be OK? Will there be any problems or loss of performance with resistor plugs? Thanks.
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Paul Yellow 77 Sunroof Coupe/cork interior; 3.2L SS '80 engine/10.3:1/No O2; Carrera Tensioners; 11 Blade Fan; Turbo tie rods; Bilstein B6; 28 tube Cooler; SSI, Dansk; MSD/Blaster; 16x7" Fuchs/205/50 Firestone Firehawk Indy 500s; PCA/UCR, MID9 Never leave well enough alone |
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06-16-2020, 05:57 PM
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Designer King
Join Date: Mar 2004
Location: Toronto, ON Canada
Posts: 5,499
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As of this writing, NGK and Clewett have confirmed that there should be no negative effects from using resistor plugs.
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Paul Yellow 77 Sunroof Coupe/cork interior; 3.2L SS '80 engine/10.3:1/No O2; Carrera Tensioners; 11 Blade Fan; Turbo tie rods; Bilstein B6; 28 tube Cooler; SSI, Dansk; MSD/Blaster; 16x7" Fuchs/205/50 Firestone Firehawk Indy 500s; PCA/UCR, MID9 Never leave well enough alone |
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06-17-2020, 11:26 AM
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Designer King
Join Date: Mar 2004
Location: Toronto, ON Canada
Posts: 5,499
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I have not been able to get through to MSD tech support, but everything I have been reading online indicaates that resistor plugs should not be a problem with their units.
Looking forward to my MSD/Pertronix/Clewett?BP6ERS combination.
__________________
Paul Yellow 77 Sunroof Coupe/cork interior; 3.2L SS '80 engine/10.3:1/No O2; Carrera Tensioners; 11 Blade Fan; Turbo tie rods; Bilstein B6; 28 tube Cooler; SSI, Dansk; MSD/Blaster; 16x7" Fuchs/205/50 Firestone Firehawk Indy 500s; PCA/UCR, MID9 Never leave well enough alone |
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06-18-2020, 11:52 AM
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Designer King
Join Date: Mar 2004
Location: Toronto, ON Canada
Posts: 5,499
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I have not been able to get through to MSD tech support, but everything I have been reading online indicaates that resistor plugs should not be a problem with their units.
Looking forward to my MSD/Pertronix/Clewett/BP6ERS combination.
__________________
Paul Yellow 77 Sunroof Coupe/cork interior; 3.2L SS '80 engine/10.3:1/No O2; Carrera Tensioners; 11 Blade Fan; Turbo tie rods; Bilstein B6; 28 tube Cooler; SSI, Dansk; MSD/Blaster; 16x7" Fuchs/205/50 Firestone Firehawk Indy 500s; PCA/UCR, MID9 Never leave well enough alone |
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06-18-2020, 11:54 AM
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Registered
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I ran into the same problem with finding NGK BP6ES. Dont be fooled by the NGK BP6ES on Amazon and Ebay. They are counterfeit. I purchased the NGK BPR6ES from a reputable mechanic shop. Was told NGK does not make BP6ES. Works fine with my MSD 6A and Petronix with Blaster coil.
Last edited by 911 SLANT; 06-18-2020 at 05:57 PM.. |
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06-18-2020, 05:54 PM
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Registered
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Paul you cannot get hand on W4cc plugs?
Ivan
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1985 911 with original 501 761 miles...807 506 km "The difference between genius and stupidity is that, genius has its limits". Albert Einstein. |
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06-18-2020, 10:29 PM
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Designer King
Join Date: Mar 2004
Location: Toronto, ON Canada
Posts: 5,499
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Thanks Slant. Glad to hear that.
Ivan, I don't know. I've always used BP6 or W7 Bosch so I've never looked for W4CC.
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Paul Yellow 77 Sunroof Coupe/cork interior; 3.2L SS '80 engine/10.3:1/No O2; Carrera Tensioners; 11 Blade Fan; Turbo tie rods; Bilstein B6; 28 tube Cooler; SSI, Dansk; MSD/Blaster; 16x7" Fuchs/205/50 Firestone Firehawk Indy 500s; PCA/UCR, MID9 Never leave well enough alone |
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06-23-2020, 07:40 AM
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