Spark Plug Gap?

ALS85GT · 08-27-2001, 12:21 PM

Hey guys, What spark gap do you recommned for a modified 5.0, Weiand Stealth manifold, Mallory HyFire ignition, Accel coil, hooker full length headers. Vacuum advance Dura Spark dist., Holly 650. I've heard you can increase gap w/an after market hi-perf ignition system?

Thanks...

LOWKEY · 08-27-2001, 09:12 PM

.055-.060

------------------
89'notch

331ci Scat Stroker, Stage II Holley heads, ported Holley Systemax Intake, 70mm Holley TB, 50lb Holley Fuel Injectors, 80mm Pro-m MAF, AFM B-3 cam, Vortech S-trim Supercharger, AFM Powerpipe, EEC-Tuner, TKO, Koni, Eibach, HPM, etc...

Beaten Daily..

http://lowkey.stangnet.com

dinomite · 08-27-2001, 10:24 PM

yes, with an aftermarket ignition system and/or coil, you can increase the gap, which would make a hotter more powerful spark. I'd say go with .06, play around with it and see how high you can go without it misfiring. i've never done this, so i can't give you the best advice.

ALS85GT · 08-29-2001, 09:55 AM

ok thanks for the reply. I'll try increasing fm .045 to .060

thanks again.

08-27-2001, 12:21 PM	#1
ALS85GT Registered Member Join Date: Aug 2001 Location: Miami, Fl, USA Posts: 69	Spark Plug Gap? Hey guys, What spark gap do you recommned for a modified 5.0, Weiand Stealth manifold, Mallory HyFire ignition, Accel coil, hooker full length headers. Vacuum advance Dura Spark dist., Holly 650. I've heard you can increase gap w/an after market hi-perf ignition system? Thanks...

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08-27-2001, 09:12 PM	#2
LOWKEY Registered Member Join Date: Jan 2000 Location: greenvile, NC Posts: 161	.055-.060 ------------------ 89'notch 331ci Scat Stroker, Stage II Holley heads, ported Holley Systemax Intake, 70mm Holley TB, 50lb Holley Fuel Injectors, 80mm Pro-m MAF, AFM B-3 cam, Vortech S-trim Supercharger, AFM Powerpipe, EEC-Tuner, TKO, Koni, Eibach, HPM, etc... Beaten Daily.. http://lowkey.stangnet.com

08-27-2001, 10:24 PM	#3
dinomite The Dude Join Date: Feb 2001 Location: Arlington, VA Posts: 1,262	yes, with an aftermarket ignition system and/or coil, you can increase the gap, which would make a hotter more powerful spark. I'd say go with .06, play around with it and see how high you can go without it misfiring. i've never done this, so i can't give you the best advice.

08-29-2001, 09:55 AM	#4
ALS85GT Registered Member Join Date: Aug 2001 Location: Miami, Fl, USA Posts: 69	ok thanks for the reply. I'll try increasing fm .045 to .060 thanks again.