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Old 03-21-2007, 07:43 PM
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Spark Plug suggestions?

Hi folks,
I would like to first thank the professionals who give great advice to those of us who have nobody to ask firsthand. I have just finished my engine test stand-the schematics I acquired off (thank you very much!). I will post pics that may help others on ideas on building their own. I plan on doing a cam break in tomorrow but I have one purchase left to make, the spark plugs. My question is this: What type of spark plugs should I run? I plan on running good quality pump gas. I don’t know if this info will help so I will provide it anyway…I have a stock short block SBC 350 with a Comp Cam 268H Cam and stock converter. The distributor is a GM HEI with a Petronix rebuild kit, headers and a 600 Vacuum advance Holley. The intake is an Edelbrock Performer and transmission is a T350. The heads are reconditioned old 462 64cc Camel Humps. The car, a 1972 notchback Vega with a 5 lug 7.5 inch rear running a 4:56 gear (I would like to change that out to a more realistic street gear, any suggestions?). Any help would be most appreciated, and thanks in advance!

De Oppresso Liber!

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Old 03-22-2007, 05:55 AM
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AC, Delco, R43T sparkplugs.......
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Old 03-23-2007, 06:28 AM
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Thank you very much...

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