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I was wondering what plugs should I be running in my 351w. It's got around 500 miles on it. The guy put in Autolite 3924. Is this the best heat range for my motor? It's a 351w bored .030, KB flattop pistons, 10.5 compression, AFR 185 heads(2.02), Comp XE274H, dur @ .050 in. 230, ex. 236, crane 1.6 rockers, Performer rpm intake, Holley 650 HP double pumper Stage 5 by Bigs, Hooker 6208 1 3/4 ceramic supercomps, MSD dist & wires, MSD 6AL, march pulleys, electric fan, canton oil pan, 3.55 gears, 2500 stall, C-4 tranny. Thanks
 

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Holy Crap 67Stang you just described the build I am currently working on except I am looking at a Comp Magnum 292 and TFS twisted wedge heads. What kind of HP and torque are you getting ???

<font size=-1>[ This Message was edited by: 68StangJurls on 5/13/02 6:54am ]</font>
 

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For what it's worth, the Autolite 3924's are a great all around choice for plugs.
Just don't run shitfire or champions in it.

I run the same 3924's in my 610 HP 418. Work great! (AFR 205 heads tho).....Same/same........
 
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