get the arp thread sealer its the ONLY thing to use IMO
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89 saleen 492>vortech s-trim,tfs tw heads,tfs stage1 cam,frpp 1.6rr,cobra u/l,accufab 70mm tb,75mm bullet,30lb. inj,msd 6btm,taylor"409",ron davis rad,mk VIII fan,130A alt,mac long tubes,mac prochamber,mac cat back,tremec 3550,center force df,pro 5.0 shifter,3.55,mac rear control arms,tokico illumina struts&shocks,hitchkis c/c plates>low 12's@121 before the power pipe
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