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A voltage drop can do that. I had that happen on my BN7 and after much sear=
ching found that the wires to the ignition switch were loose. Tightening so=
lved the problem. I also prefer the=C2=A0Lucas sport coil to the Pertronix =
as their coils have been known to fail (mine did on an earlier Healey). And=
yes, the .035 gap is too wide; go with the factory setting.=C2=A0
Sent from the all new AOL app for iOS
On Friday, September 19, 2025, 6:42 PM, Richard Antal via Healeys <healeys@=
autox.team.net> wrote:
Gents,=C2=A0 =C2=A0 =C2=A0A few days ago I replaced the sparkplugs, ten yea=
rs old or more, with six NGK BP5ES plugs gapped to 35, and a Pertronix 3 oh=
m coil. I've not yet changed the wires, distributor cap or rotor. Today I d=
rove the BJ8 almost 200 miles without incident at speeds up to 60 mph. Whil=
e going 80 mph on the interstate, over a span of two or three seconds, the =
car bucked and backfired three times. I immediately dropped the speed to 50=
and then gradually back up to 80 with no further backfiring. What could ha=
ve caused this discomfiting turn of events? Thanks for your thoughts.rich a=
ntal_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
h@aol.com
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if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>=
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dy>
A voltage drop can do that. I had that happen on my BN7 and after much sear=
ching found that the wires to the ignition switch were loose. Tightening so=
lved the problem. I also prefer the Lucas sport coil to the Pertronix =
as their coils have been known to fail (mine did on an earlier Healey). And=
yes, the .035 gap is too wide; go with the factory setting. <br><br><=
br><div class=3D"yahoo-signature"><a style=3D"font-size:12px" href=3D"https=
://aolapp.onelink.me/eG2g?pid=3DNativePlacement&c=3DUS_Acquisition_YMkt=
g_320_EmailSignature_AttributionDL&af_sub1=3DAcquisition&af_sub2=3D=
US_YMktg&af_sub3=3D&af_sub4=3D100002473&af_sub5=3DSentFromNewAO=
LApp__Interstitial_&af_ios_store_cpp=3Dce85ce34-ad0f-4811-a92b-a172743b=
064e&af_android_url=3Dhttps%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fde=
tails%3Fid%3Dcom.aol.mobile.aolapp%26listing%3Demail_signature_attribution"=
>Sent from the all new AOL app for iOS</a><br></div><br><p class=3D"yahoo-q=
uoted-begin" style=3D"font-size: 15px; color: rgb(132, 115, 255); padding-t=
op: 15px; margin-top: 0px;">On Friday, September 19, 2025, 6:42 PM, Richard=
Antal via Healeys <healeys@autox.team.net> wrote:</p><blockquote cla=
ss=3D"iosymail"><div id=3D"yiv5200666070"><div><div style=3D"font-family:He=
lvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;" class=3D"yiv520=
0666070yahoo-style-wrap"><div dir=3D"ltr">Gents,</div><div dir=3D"ltr">&nbs=
p; A few days ago I replaced the sparkplugs, ten years old or =
more, with six NGK BP5ES plugs gapped to 35, and a Pertronix 3 ohm coil. I'=
ve not yet changed the wires, distributor cap or rotor. Today I drove the B=
J8 almost 200 miles without incident at speeds up to 60 mph. While going 80=
mph on the interstate, over a span of two or three seconds, the car bucked=
and backfired three times. I immediately dropped the speed to 50 and then =
gradually back up to 80 with no further backfiring. What could have caused =
this discomfiting turn of events? Thanks for your thoughts.</div><div dir=
=3D"ltr">rich antal</div></div></div></div>________________________________=
_______________<br>Support Team.Net <a href=3D"http://www.team.net/donate.h=
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//autox.team.net/archive/healeys</a><br><br><a ymailto=3D"mailto:Healeys@au=
tox.team.net" href=3D"mailto:Healeys@autox.team.net";>Healeys@autox.team.net=
</a><br><a href=3D"http://autox.team.net/mailman/listinfo/healeys"; target=
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys
http://autox.team.net/archive/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
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