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11-10-2022, 05:38 PM
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#1 |
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Registered User
Join Date: Oct 2003
Location: San Jose Ca.
Posts: 3,325
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Platinum spark plug for stock 350
What would be a good platinum spark plug for a stock 350?
Thanks!
__________________
RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234 Last edited by skokie; 11-10-2022 at 05:48 PM. |
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11-10-2022, 09:20 PM
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#2 |
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Registered User
Join Date: Nov 2017
Location: fernandina beach
Posts: 36
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Re: Platinum spark plug for stock 350
I've always been a fan of ac Delco. I also only do copper or iridium. Never had good experiences with platinum. Iridium's last forever but cost more up front. Copper are tried and true just have to change every 10-15k.
Last edited by lolcopter; 11-10-2022 at 09:33 PM. |
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11-10-2022, 10:03 PM
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#3 |
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Registered User
Join Date: Jul 2021
Location: Rowlett, TX
Posts: 494
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Re: Platinum spark plug for stock 350
I put iridium plugs in all of my classics. Never had any issues.
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11-11-2022, 03:18 AM
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#4 |
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Registered User
Join Date: Oct 2003
Location: San Jose Ca.
Posts: 3,325
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Re: Platinum spark plug for stock 350
What would be a good AC Delco part number for a stock 350? Would the gap be the same at .45 for an hei?
Thanks!
__________________
RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234 Last edited by skokie; 11-11-2022 at 03:31 AM. |
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11-11-2022, 10:13 AM
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#5 |
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Registered User
Join Date: Apr 2022
Location: Moorpark, CA
Posts: 737
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Re: Platinum spark plug for stock 350
OP
Just look up at any part store site for whatever 350 motor (year) you have for spark plug. If the motor is not original to truck look up whatever donor, make/model it came from. It makes a difference for what heads (AL, iron, reach of plug length, heat range, etc) As far as brands....NGK, AC Delco, Autolite would all be fine. Iridium vs Platinum regardless of brand |
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11-15-2022, 06:26 PM
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#6 |
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Registered User
Join Date: Oct 2003
Location: San Jose Ca.
Posts: 3,325
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Re: Platinum spark plug for stock 350
Did a quick check at oreillys and came up with this.
https://www.oreillyauto.com/detail/c...ckup-rwd?pos=0
__________________
RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234 |
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11-16-2022, 09:27 AM
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#7 |
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Registered User
 
Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 2,985
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Re: Platinum spark plug for stock 350
I run AC Delco Rapidfire #10 platinum plugs in my 350, they come preset at .035" gap. No issues, misfires or anything.
https://www.rockauto.com/en/moreinfo...t=7212&jsn=459
__________________
'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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