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1. 

   Who has more than 250k miles on original head gasket?

   So to this point I see 17 high mileage 80s still rocking the original HG and 7 with failures (maybe one or two were done as preventative maintenance?). Not exactly conclusive, but does seem to refute the concern that all HGs will blow by 300k. I will watch mine carefully, but think I will wheel...

   • Words: 70
   • Fisher67
   • Post #27
   • Mar 10, 2022
   • Forum: 80-Series Tech
2. 

   Who has more than 250k miles on original head gasket?

   Had the 80 in the shop today for more preventative maintenance and mechanic performed test that showed no infiltration of exhaust gases in coolant. He said that some 1fzj motors never have problems with the HG. Mine is a 1995 with 292k miles and runs great. Is this an anomaly or do others...

   • Fisher67
   • Thread
   • Mar 9, 2022
   • Replies: 74
   • Forum: 80-Series Tech