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  1. ykf7b0

    If you're depending on zinc to protect your flat tappet?

    I know a lot are running diesel oil in their gas burning engines. Probably all are fine at low rpm daily driving and cruising but those diesel oils are not formulated for higher rpm performance gasoline engines. Just my .02 cents.
  2. ykf7b0

    If you're depending on zinc to protect your flat tappet?

    I just built an engine and went roller. I spent around $700.00 more but I wanted to avoid the tedious flat tappet cam break-in procedure.
  3. ykf7b0

    8 and 3/4 swap

    That should do it.
  4. ykf7b0

    440 performance

    As you have already saw, you will get many, many opinions on what you should do. So here is mine and from my own experiences. I would definitely install higher compression pistons to work with the better breathing 452 heads because a 440 loves compression. Shoot for as close to 10:1 as possible...
  5. ykf7b0

    post covid comp cam

    I had good service with Mopar Performance lifters in the past.
  6. ykf7b0

    post covid comp cam

    Depending on where you buy, I would say to go roller would average around $750.00 more in expense vs a flat tappet hydraulic. Collapsing of a lifter isn’t the issue, it’s the metal wearing away on the bottom of a flat tappet lifter and sending the metal throughout the engine that I wanted to...
  7. ykf7b0

    post covid comp cam

    I was so nervous breaking in a previous flat tappet cam that I installed a roller cam set up on my most recent build.
  8. ykf7b0

    383 suggestions please

    That is a healthy cam for sure. If you remember, what compression ratio?
  9. ykf7b0

    383 suggestions please

    Kenny down at PTC is a Mopar fan and he will build you a custom converter based on your need.
  10. ykf7b0

    383 suggestions please

    For the torque converter I suggest giving Kenny Ford a call down at PTC in Muscle Shoals, Alabama.
  11. ykf7b0

    383 suggestions please

    My last build was a 327 Chevrolet. I built my 440 over 20 years ago and it still has a flat tappet hydraulic. No one was having issues with cams going flat or possibly bad cam stock back in those days.
  12. ykf7b0

    383 suggestions please

    Correct. My last build was a roller build for that very reason.
  13. ykf7b0

    383 suggestions please

    I will start by suggesting a hydraulic roller cam set up. The cam profile will depend on the compression ratio and cylinder heads you choose.
  14. ykf7b0

    2.93 gears?

    When you get there vote Red please.
  15. ykf7b0

    2.93 gears?

    70 mph. I’m taching close to 3500 at that speed with the 355 gear.
  16. ykf7b0

    2.93 gears?

    Same here in my 69 roadrunner but I stay off I-40.
  17. ykf7b0

    2.93 gears?

    Based on your intensions 3.91 or 4.10’s will serve you well. You will also want to avoid any highway with more than 55 mph speed limit.
  18. ykf7b0

    a833 removal

    I see you got the removal taken care of. For myself, when the drivetrain is in the car, I like to remove the four bolts and remove the trans only first as I am a one man show with no transmission jack. Installation is a lot easier when reinstalling the trans to install the clutch first, then...
  19. ykf7b0

    440 oil pressure too high ?

    I believe 7 psi per 1,000 rpm is all that’s needed. My street/strip 440 has lived 20+ years with a high volume pump, 7 quart oil pan, and Hemi full groove bearings at higher pressures very similar to the OP. I also have a 175 shot of nitrous on tap that gets used.
  20. ykf7b0

    440 oil pressure too high ?

    Those numbers are very close to where mine have been for years. If I did anything at all, I would switch oil viscosity to 10w30. Roll with it my Friend!!!
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