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01-14-2007, 11:03 PM
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#1 |
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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NGK part # & gap spec.
I did a search for spark plugs and NGK’s looked like the favorite plug.
I have a 350 with the stock ignition. Does somebody have the correct PN# with gap specs? Thanks, s/t
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. 
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01-14-2007, 11:29 PM
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#2 |
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Senior Member
 
Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,865
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Re: NGK part # & gap spec.
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, 2nd owner, Work-Truck supreme. Best $300 I ever spent. |
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