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07-11-2006, 08:06 PM
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#1 |
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Registered User
Join Date: Jul 2006
Location: Fresno, Ca
Posts: 154
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Spark # and gap
I've changed my truck to HEI. She's powered by a stock 68 327, ugraded edelbrock performer intake and carb 600cfm with dual exhaust and headers. Wanted to know what the parts numbers are for certain plugs to run....do I run the stocks with a larger spark or should I run a hotter plug. She ran good with the .35 gap but I know that's not the best way to run the plug....
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07-11-2006, 08:44 PM
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#2 |
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Registered User
Join Date: Aug 2001
Location: Mcloud, Oklahoma
Posts: 656
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Re: Spark # and gap
I have pretty much the same setup, the exception is I have a small block 350. I used AC delco plug R45TS plug gapped to .045. Havent' ran into any problems. I would think the 327 should be the same, might be wrong though!
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1970 C-10 LWB 1998 Jeep Wrangled TJ 2009 Honda VTX 1300 2013 Buick Enclave |
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07-11-2006, 09:00 PM
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#3 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,694
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Re: Spark # and gap
Yup, .035/points, .045/HEI. Your engine is still basically stock, so your stock AC Delco plugs are just fine.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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07-11-2006, 09:59 PM
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#4 |
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Registered User
Join Date: Jul 2006
Location: Fresno, Ca
Posts: 154
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Re: Spark # and gap
I still have the fatter plug style....I've been told to use a lil hotter plug because the stock for points would be to cool. Do I just gap my plugs to .45 and run them like that......?
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07-11-2006, 10:33 PM
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#5 |
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Gone Fishing
Join Date: Aug 2005
Location: Fort Worth, Texas 76135
Posts: 12,361
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Re: Spark # and gap
I believe you could run the r45 wich is the bigger 13/16 plug and gap it at .45
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68 Chevy Short Fleetside LSX Swap Under Way 3.73 posi 2.5/4 drop  Frame of resto has been started2022 Hyundai Tucson Limited 2019 Chevy Traverse Redline Edition Wifes Ride Build Thread http://67-72chevytrucks.com/vboard/s...=1#post3483616 |
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