They utilized thermal reactors for emission control which tended to cause the engines to run substantially hotter and warp the heads over time. The "mid-years" were considered the stepchild of the air-cooled 911s for years as a result.
__________________
1971 911T w/ a 2.7 (ITBs, EFI, a bunch of other stuff, 2180 pounds with fuel)
2024 Ford Bronco Raptor
|