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  1. Transmission & Driveline
    Hello everyone, I'm brand new to the forum and this is my first post. I think my 12 bolt 410 is too low for cruising and would like some experienced input. Just bought my 70 SS and it's singing about 3k rpm at 60mph. I will spend 50% of my time at highway speed and 50% around town just cruising...
  2. Transmission & Driveline
    Is it worth spending the $225 on a 3.73 gear set to switch from 4.11s 4.11s suck on the highway with a th400 trans I'm on a budget OD trans is out of the options because I can't afford to build a 600 hp OD or get a 5/6 speed manual. How much a difference will switching from 4.11 to 3.73s make...
1-2 of 2 Results