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  1. *The FL5 Track Junkie Thread*

    I'm going to bring up some points in the braking discussion: If you a slowing a car down a certain amount, whether you do it with max braking or 70% braking, the change in the car's kinetic energy is identical. Therefore, the total amount of heat energy generated by friction in the brakes is...
  2. Has the 2nd gear grind happened to your FL5 yet?

    Sorry I was not very good in how I was explaining myself. We are in agreement according to what you are saying in your first paragraph. I also agree deleting the CMC CDV and changing fluid won't make a fundamental difference. It will feel different, but if there is something mechanically wrong...
  3. Has the 2nd gear grind happened to your FL5 yet?

    I'm sure you're right the car is more settled and feels better after your mods. However, part of the shifting system is the human being, and we squishy humans can be affected by all sorts of factors, including how the car feels and responds. I wouldn't be surprised if, after some fresh mods...
  4. Has the 2nd gear grind happened to your FL5 yet?

    Can you explain exactly the physical chain of events that will cause what you describe? What you're saying about the cause doesn't make sense. The suspension movement has no physical connection to the transmission. The motor mounts hold the engine and transmission up and the forces they...
  5. Favorite part of my Tokyo Trip

    Dude, you're supposed to bring some goodies home for all of us!!:nixon:
  6. Has the 2nd gear grind happened to your FL5 yet?

    Here are what I think are the intertwined issues: Gear grinds Grinds caused by a dragging clutch--The clutch isn't completely disengaging either by not pressing pedal enough, releasing it slightly too early, or because the adjustment is off, which keeps the gears from matching rpm and allowing...
  7. Has the 2nd gear grind happened to your FL5 yet?

    We don’t have statistical data on whether there are more driver errors. Forum posts are totally unreliable as a way of measuring it, because the demographics of the customers (such as what percentage actually go and look for a forum to join) are different and there are different numbers of cars...
  8. Rear brake pad change question

    You should do it. You can get away with it if your old pad has some thickness left because you're squeezing the new pad within the "slack" that exists when the parking brake is disengaged. But to do it right and reset the ratcheting mechanism, putting it into maintenance mode is better. Edit...
  9. Has the 2nd gear grind happened to your FL5 yet?

    I think the reason many people want the driver to carefully examine whether they made a mistake is that releasing the clutch just a few tenths of a second early can lead to a grind. It's a super common mistake that I and millions of others have made many times. Something I would like to ask is...
  10. Asked a Honda engineer about the factory fill and whether there was any benefit to keeping it in longer

    GM was on the forefront of oil life monitors and here's a description of how it works. I'm pretty sure Honda's system is similar. https://bobistheoilguy.com/forums/threads/zdp-depletion-and-gm-oil-life-monitor.9644/
  11. Asked a Honda engineer about the factory fill and whether there was any benefit to keeping it in longer

    On civicx.com, they referred to this Honda bulletin: https://www.civicx.com/forum/threads/when-to-oil-change.7243/page-2#post-130344
  12. Asked a Honda engineer about the factory fill and whether there was any benefit to keeping it in longer

    He did say: So on one hand you can conclude that it's fine to change your oil early because the moly has done its job by X hundred miles, but on the other hand you can also argue that he is saying changing won't help either and you're just wasting time and money.
  13. Rev Jump When Upshifting under Hard Acceleration

    The reason it can't be delaying clutch disengagement is from the way hydraulics work. When you press the clutch pedal and pushing the master cylinder piston, you're displacing fluid down the tubing through the CDV and pressing the piston in the slave cylinder, right? Suppose the CDV stops the...
  14. Rev Jump When Upshifting under Hard Acceleration

    Whoops sorry I was editing my post while you were replying! See above.
  15. Rev Jump When Upshifting under Hard Acceleration

    This doesn't quite make sense. The clutch delay valve delays *engagement* when you let go of the pedal, not disengagement. It keeps a high revving engine from suddenly connecting with and stressing out the drive train. It doesn't work in both directions. When you remove the CDV, you'll find...
  16. Need to push the clutch all the way to the floor?

    That sounds like a terrible idea. What if your clutch was out of adjustment and you needed that last bit of travel to fully disengage it? You're handicapping your ability to use the full travel of the clutch. You're not improving or changing the actual clutch in the drivetrain and how it works...
  17. FL5 Overheated on Track

    Your fast times aren't proof the car is fast because of the radiator. It means YOU'RE fast. :D I believe you when you say it works. The engineer in me can still dislike it
  18. FL5 Overheated on Track

    OK I think we all agree in general. Yeah it would be nice if our cars were purpose designed for track use...like a Mercedes CLK GTR or something, but as @ABPDE5 says, the cost would be enormous and a money loser for Honda. The accountants would say no. Part of the value pricing in our cars is...
  19. FL5 Overheated on Track

    I'm personally not convinced the intake pipe routing is all to blame. The compression of the air in the turbo is responsible for much more heating than heat going into the intake pipe. PV=nRT and all that. The heat shield of the turbo is shielding the majority of radiant heat from it anyway...
  20. Need to push the clutch all the way to the floor?

    That's interesting, you're asking for a computer controlled clutch. Well ours is only foot controlled, but hopefully you'll get used to it after a few months. A note on the friction point--even if you feel where the clutch starts to connect and move the car, remember that it's connecting before...




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