The 2.7 - liter flat - six was sourced from the 1976 911 and was refreshed in 1997 at 128k miles with a helicoil - prepped case, head studs, Euro - spec pistons and cylinders new gaskets, new rod and main bearings, rebuilt heads,
oil fed tensioners, cam timing, 11 blade fan, SSI heat exchangers, sport muffler.