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yea, they will work in a small block, they are available at the chevy dealer and most auto parts store, just make sure you get the right heat range and type for your application, they will most likely be cheaper at auto parts, GM won"t give ya a break.
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Barry
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I used Delco R45TS when my motor was stock. Now that I'm doing some significant upgrades I'm wondering what plug to use. My engine builder suggested Autolite 26, but I like the Delcos. Any thoughts on what to use with the Vortec heads, 9.4:1 CR, mild cam?
1976 Silver/Firethorn. L48, 4spd. Original 2 bolt, vortec heads, 9.4:1 CR, Speed Pro Cam: 224/224@0.050, 112 LSA, Eagle Steel Crank.
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Wow, who knew that choosing spark plugs could be so difficult. The 75-76 used a 41-100 with a .060 gap and I read in a forum that they figured this was more to do with the new emissions brought in in 1975 , then I seen a post that said the updated oem was with ac delco 41-110 and .40 gap. So I decided to go with latter , what do you think, am I safe with these and my new build
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in Forum: C3 Engines, Driveline and Handling
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