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05-17-2019, 04:43 PM
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#1 |
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Registered User
Join Date: May 2016
Location: Hudson FL
Posts: 64
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spark plugs
I need to replace short spark plugs in a 350 with headers,,,any suggestions? I'm using accel right now,,,to damn expensive to keep replacing with them.
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05-17-2019, 05:42 PM
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#2 |
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Registered User
Join Date: Sep 2014
Location: USA
Posts: 2,249
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Re: spark plugs
I heard that AC Delco R43TS are a cheap equivalent. Check it out and let us know.
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1951 Chevy Panel Truck |
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05-18-2019, 03:44 AM
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#3 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,268
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Re: spark plugs
I'm not sure what Accel cost now but remember pulling the set of plugs I replaced a se of Accels with back out and putting the Accels back in when it wouldn't run worth squat with the new plugs.
In this case we really need the plug number of the plugs you are running now as Accel makes shorty header plugs for the older heads that take the plugs with the washer and the taper seat plugs. NGK shows a shorty taper seat plug NGK UR6 6630 but no info on the heat range from my source. .
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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05-25-2019, 06:30 PM
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#4 |
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Registered User
Join Date: May 2016
Location: Hudson FL
Posts: 64
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Re: spark plugs
Ok,,got a set of accel 576S/8199 spark plugs. I've got a stock 350 sb with headers on it. What should the plugs be set at? Out of the box, they're set at .030 which I know is, I think, to close. Any advise? Thanks,,,,Bill
Last edited by macdodd127; 05-26-2019 at 08:05 AM. |
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05-27-2019, 12:02 AM
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#5 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,268
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Re: spark plugs
It calls for .035 if you run points. Probably .045 with hei Some will say more with HEI but the strap will only spread so far.
Beyond that you are going to get into individual tuner's theories on it.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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