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The 273 in my Dart appears to have been rebuilt at some point in time since it currently has hydraulic lifters. The rocker shafts have shims under them, so I am guessing there has been some block/head work. While adjusting the rockers, I found there seems to be very little oil getting to the...

Ok, once again to prove my ignorance of 273's......I see a few manufacturers selling 1.6 rockers. It got me to thinking maybe it would help my little motor breathe a touch more without actually having to open up the motor and change the cam.?? In all honesty, I have not yet actually measured...

I picked up a really solid 1967 Dart GT with the original 273 (auto) with 84k miles. I have been driving it quite a bit and love it! ❤️ However, it doesn't have much power/acceleration. As time permits, I plan on upgrading to disk brakes, 4.5 bolt pattern wheels, and an 8-3/4 rear end. But...