which oil to use? viscosity?
 

Well, i noticed more valvtrain, or rocker noise lately, could it be that im using 20-w50 racing blend? maybe it's to heavy. what you guys think? thnx

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90 lx coupe: 5spd, energy susp trans mounts, fms hd clutch, Mac coldair fenderwell, Mac h-pipe, supercoil, ADS chip, 160 stat, aluminum D/S, Black magic fan, 3.27grs.
Best time: 13.9116(on 225/60/15 firehawks)
Best mph: 98.17
Best 60': 1.9607

someday mods:4.10's, slicks.