petronix ignitor ignition - The 1947 - Present Chevrolet & GMC Truck Message Board Network

bean · 11-27-2004, 12:09 PM

I don't know if this information is of help to anyone else but... Just put an ignitor ignition system in my 69 so I won't be changing points anymore. I couldn't figure out though why it started fouling plugs. I started using a wide gap but the same results, just took longer. At the time I was using AC plugs just to try something else I started running Autolite plugs with the same wide gap. No more problems. Don't know why just know it worked.

Harold Shepard · 11-27-2004, 12:57 PM

Autolite plugs are great plugs! In a previous motor- lots of compression, vic Jr MSD ETC. ETC The autolites were all that would hold up. The MSD 7 box just id not get along with AC plugs. IMO the Ac plugs are not as good a conductor as the autolites and I have tried other- Splitfire- waste of money, NGK, Bosch- autolite works the best.

da-burb · 11-27-2004, 01:16 PM

I probably have 24,000 miles on my pertronix and AC plugs. I haven't noticed any fouling. They are also set to .035 gap because I didn't know any better and haven't changed them or re-gapped them.

bean · 12-01-2004, 05:40 PM

I've always heard bad things about splitfires. All I know is it's autolites from now on. Truck is doing fantastic.

71-longbed · 12-01-2004, 06:02 PM

i've run both autolites and ac delcos with my pertronixs .. i couldn't notice any difference ... thats with a .045 gap

4x4Poet · 12-01-2004, 11:01 PM

Anyone ever thought of putting one brand plug on one bank (V8) and another brand plug on the other bank, all gaped the same? Then run it and examine the difference at the electrodes.

11-27-2004, 12:09 PM	#1
bean Registered User Join Date: Jun 2002 Location: Fort Worth, TX Posts: 920	petronix ignitor ignition I don't know if this information is of help to anyone else but... Just put an ignitor ignition system in my 69 so I won't be changing points anymore. I couldn't figure out though why it started fouling plugs. I started using a wide gap but the same results, just took longer. At the time I was using AC plugs just to try something else I started running Autolite plugs with the same wide gap. No more problems. Don't know why just know it worked.

11-27-2004, 01:16 PM	#3
da-burb "Ochre Ogre" Join Date: Apr 2000 Location: Springfield, MN Posts: 3,558	I probably have 24,000 miles on my pertronix and AC plugs. I haven't noticed any fouling. They are also set to .035 gap because I didn't know any better and haven't changed them or re-gapped them. __________________ Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087

12-01-2004, 05:40 PM	#4
bean Registered User Join Date: Jun 2002 Location: Fort Worth, TX Posts: 920	plugs I've always heard bad things about splitfires. All I know is it's autolites from now on. Truck is doing fantastic.

12-01-2004, 06:02 PM	#5
71-longbed Its Magically Delicious Join Date: Jan 2003 Location: oregon Posts: 2,398	i've run both autolites and ac delcos with my pertronixs .. i couldn't notice any difference ... thats with a .045 gap __________________ 71 C10 LWB 350sbc -TH350 12 bolt 3.42 Posi Of all my favorite things to do, The utmost is to have a brew. My love grows for my foamy friend, with each thirst-quenching elbow bend. Beer so frosty, smooth, and cold it's paradise pure liquid gold. Yes beer means many things to me that's all for now cus I gotta pee.

12-01-2004, 11:01 PM	#6
4x4Poet Registered User Join Date: Nov 2004 Location: "Under Montana skies." Posts: 1,836	Anyone ever thought of putting one brand plug on one bank (V8) and another brand plug on the other bank, all gaped the same? Then run it and examine the difference at the electrodes. __________________ '71 GMC K20 Suburban, '71 GMC K10 Suburban, '72 Chevy C10 CST Suburban, '72 Chevy K20 clunker pickup.

11-27-2004, 12:57 PM	#2
Harold Shepard Registered User Join Date: May 2004 Location: Canton North Carolina Posts: 466	Autolite plugs are great plugs! In a previous motor- lots of compression, vic Jr MSD ETC. ETC The autolites were all that would hold up. The MSD 7 box just id not get along with AC plugs. IMO the Ac plugs are not as good a conductor as the autolites and I have tried other- Splitfire- waste of money, NGK, Bosch- autolite works the best.



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