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slick5861 · 04-29-2017, 08:11 PM

We have a mid 70`s 454,290 casting heads,.600 lift solid cam,850 Holley HP, victor jr intake, 10-1 comp, bracket motor. Looking for some spark plug recommendations. Also has a crank trigger with a 7 al ignition. 7000 rpm limit with leaded race gas. Thanks for any input.

04-29-2017, 08:11 PM	#1
slick5861 Junior Member Join Date: Sep 2008 Location: East St Paul,Manitoba Canada Posts: 23 Likes: 14 Liked 2 Times in 2 Posts	BBC spark plug help We have a mid 70`s 454,290 casting heads,.600 lift solid cam,850 Holley HP, victor jr intake, 10-1 comp, bracket motor. Looking for some spark plug recommendations. Also has a crank trigger with a 7 al ignition. 7000 rpm limit with leaded race gas. Thanks for any input.