I see alot of "re-use" comments, i would'nt.
when i got my gt-40's i asked the same question, and looked up some old post about this, needless to say, i read too many stories about blown head gaskets, so i would just spend the 40-50 $, and get the arp's.
Anyway i torqued all of mine (irons) to 80ft lbs, all the way around, i used permatex thread sealer on the lowers, has been running good so far.
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X-Texas highway patrol ssp 1990 coupe - exploder Gt-40 iron heads, Explorer intake, 19 lber's. E-cam. crane 1.7 rollers. 190fp. 75mm maf. 65mm tb, tubular subframe connectors, mac cai, Asp crank pulley, T-5, king cobra clutch, flowtech 1-5/8 unequals, mac X-pipe Frpp driveshaft, lakewood Lca's.
race weight 3,160
12.69 @ 107.35, 1.71 60' 26x8.5 drag's 3.90 gear
13.20 @ 106.91 - 235/60/15 firestones 2.3 60' 3.27 gear
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