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  1. W

    68 300 upgrades from stock (cams/heads etc.)

    3.23s would be all about I could manage without an overdrive unit at highway speeds. I have a 78 Aspen RT with a good 360 and 3.55s, it’s a bit buzzy past 60 (way smaller tires than the 68 300 has.)
  2. W

    68 300 upgrades from stock (cams/heads etc.)

    Definitely something for me to try. I did notice after about 2 hours of continuous driving, it was running noticeably better if only at highway speeds so that coincides well with what you stated.
  3. W

    68 300 upgrades from stock (cams/heads etc.)

    Thanks. Any cam recommendations? I’ll eventually be that deep into it. Also looking to add 440 source aluminum heads. No comp cams, or lunati though. Had parts fail from those manufacturers.
  4. W

    68 300 upgrades from stock (cams/heads etc.)

    Thanks for replying! It has the original 4 barrel carter AFB or AVS. Going to be going through it, or perhaps throwing a spare edelbrock I have on it. It is rich in the secondary’s. I plan on doing a full tune up for the easier things (points,plugs,wires,carb etc.) No pinging at wide open...
  5. W

    68 300 upgrades from stock (cams/heads etc.)

    Recently picked up a Black 1968 Chrysler 300 2 door. 350 HP 440, single exhaust, 2.76 rear gears. Semi verifiable 71k on the clock, mostly original, drove it at interstate speeds for about 4 hours after buying it. Looking to do some modifications to it to increase power and get it to spin the...
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