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The low ends on these motors are virtually bulletproof. At 60k miles, I suspect nary a witness mark of wear will be shown. When I tore down my 3.2 (same low end), the bearings looked perfect. The journals were perfect. It had a very hard life with 500+hp for years.....
If it were me, I'd simply inspect what you can see without tearing down anything beyond that and simply put in new head bolts.
2nd, I'd await more opinions on the rodbolts, as it seems some here have used bolt stretch gauges with the cases together. Doesn't seem hard at all, especially with studs removed.
Supertec headbolts are good in the way you can install the piston and cylinder on the connecting rods before installing the head studs. This makes installing the wrist pin clips easier.
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR, 993SS cams, Borg-Warner S366 turbo @ 1.2-1.5 bar, Treadstone full bay IC, 70mm TB, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MicroSquirt AMP'd w/GM smart coilpack, Bilstein coilovers, Tramont replica Speedlines (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
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