The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - point and plug gap on v-6

**Stocker** · 02-14-2017, 08:28 PM

Spark Plugs Gap;
305A, 305B & 305D -- 0.030"
305E & 305C 0.035"
351, 401, & 478 0.030"

Source: http://www.6066gmcguy.com/EngineData.html

02-14-2017, 08:28 PM	#3
Stocker 20' Daredevil (Ret) Join Date: May 2003 Location: Jefferson State Posts: 13,810	Re: point and plug gap on v-6 Spark Plugs Gap; 305A, 305B & 305D -- 0.030" 305E & 305C 0.035" 351, 401, & 478 0.030" Source: http://www.6066gmcguy.com/EngineData.html __________________ - Mike - 1972 K20 LWB 350/350/205 RIP El Jay