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  1. SPEC Clutch Proprietary Clutch + Single Mass Flywheel Combos are now available to order!

    You won’t really know until you take it apart, but if you’re doing a clutch you might as well do the flywheel
  2. Let the Black Friday Savings Begin! 10% off PRL + Free TSP Stage 1!

    Good deal! What’s happening with them spec steel flywheels though?
  3. SPEC Clutch Proprietary Clutch + Single Mass Flywheel Combos are now available to order!

    Any news? @Two Step Performance My clutch is in dire need of a transplant
  4. New to Ktuner Mod

    I would just flash it back to the stock for good measure. They wont know unless they have a reason to suspect it (i.e. warranty work) and start digging into the ecu and look for flash info.
  5. SPEC Clutch Proprietary Clutch + Single Mass Flywheel Combos are now available to order!

    Steel flywheels haven’t been released yet.
  6. SPEC Clutch Proprietary Clutch + Single Mass Flywheel Combos are now available to order!

    After some self debate, I’m going to wait for the steel option. I need the car as driver friendly as possible since I do real estate and often will have clients in the vehicle with me. The stage 2+ seems like the best option for my needs with flex fuel and TSP stage 2. I don’t plan on adding...
  7. SPEC Clutch Proprietary Clutch + Single Mass Flywheel Combos are now available to order!

    I would like to know this as well before making final decision. I would think a lightened flywheel would extend the engine life as there is less stress on the parts and bearings, however, a drag car will probably not benefit from it as a heavier flywheel will hold it's kinetic energy better than...
  8. SPEC Clutch Proprietary Clutch + Single Mass Flywheel Combos are now available to order!

    That’s not bad at all really. I might just pull the trigger on the lightweight one. Someone mentioned that there is a bit of a power loss at higher speeds with a light flywheel? Is there any truth to this ? @Two Step Performance
  9. TSP Flex Fuel PNP Kit + Stage Civic Si 2 Tune Combo Sale - 270whp / 327tq!

    I believe they mentioned 35% and to use 30-40%. Wonder if there is any benefit staying at 40 vs 30 though?
  10. SPEC Clutch Proprietary Clutch + Single Mass Flywheel Combos are now available to order!

    I am ordering as soon as the carbon steel flywheel package is released, either with the stage 2/3+.
  11. SPEC Clutch Proprietary Clutch + Single Mass Flywheel Combos are now available to order!

    Spec did reply to me when I inquired about the steel SMF. Here’s what I have: “I am thinking it will be a couple weeks. The OE is almost 32 lbs, and the aluminum is just about 11 lbs. So we were thinking about running the steel in the 23-25 lb range, which should offer some rate of rev...
  12. TSP Stage 2 Flex Fuel Tune for 2017+ Honda Civic Si - 270whp / 327ft lbs!

    I don’t know what it makes on mode 2 sport with tsp stage 2, but it feels way stronger than when i had just ktuner starter 23 w/ flex. I tried mode 3 in SPORT a few times and it lights up tires in 1st and 2nd. Not even trying 3rd or higher because I know the clutch will slip with traction...
  13. SPEC Clutch Proprietary Clutch + Single Mass Flywheel Combos are now available to order!

    My understanding is that it will be roughly the same cost.
  14. TSP Stage 2 Flex Fuel Tune for 2017+ Honda Civic Si - 270whp / 327ft lbs!

    In the same boat as you! Ordered! I’m gonna try to give myself a little feel of map 3. Maybe a quick 1-2 pull lol
  15. ktuner vit stage 1 cylinder misfire?

    Thanks for the clarification! Back to sport mode I go!
  16. ktuner vit stage 1 cylinder misfire?

    Great thanks. Is that related to the misfire 3 4?




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