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Itr Flywheel, Isi It Worth It?

Discussion in 'Engine Building' started by saturn_boy96, Mar 26, 2003.

  1. saturn_boy96

    saturn_boy96 88 C1V1C 53D4N DR1V3R

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    is the itr flywheel worth the extra $50 over the b16a flywheel when i do my b18b swap? just wondering.
     
  2. vtecsir1

    vtecsir1 Senior Member

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    yes
     
  3. HOOKUPSPROCRX

    HOOKUPSPROCRX Member

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    definetly,, you are reducing rotational mass which directly affects hp. there is no question.,
     
  4. B16

    B16 Super Moderator VIP

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    yes, itr fly is 15lbs b16 fly is 21-22lbs (can't remember which)
     
  5. TommyTheCat

    TommyTheCat Gonzo Scientist

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    I'm pretty sure flywheel only changes response/revving. But if you meant that it affects how the hp is used, you're correct. But they dont add hp as far as I knew. Just like lighter wheels.
     
  6. B16

    B16 Super Moderator VIP

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    true, it only "free's" lost hp
     
  7. GSRCRXsi

    GSRCRXsi Super Moderator Moderator VIP

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    i thought the ITR flywheel was 11lbs? maybe im wrong :blink:
     
  8. B16

    B16 Super Moderator VIP

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    or i could be wrong? :p that would be nice if it is, makes my flywheel instantly lighter!!
     
  9. chet

    chet Senior Member

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    it depends on the year of the ITR Swap.

    and going with a lighter flywheel is not always good. otherwise we would all be running 9lb toda/spoon flywheels.

    i believe in 96 JDM itr's had 12-13lb flywheels.

    as far as the rest, they are like 15-16lbs.

    B16a flywheels are around 18lbs...but can be resurfaced and lightened safely to 14lbs...

    i'd resurface what you have and shed just a few lbs from it...nothing drastic...

    you'll loose too much torque...which isn't a great compromise even if you gain more top end.
     
  10. HOOKUPSPROCRX

    HOOKUPSPROCRX Member

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    ACTUALLY by reducing rotating mass you will make more hp to the wheels example: dyno a car with 17" heavy wheels, then dyno with 13"vx lightweight wheels. i have personally seen a 9hp difference from just the weight of the wheels. anyways i always recommend a lightened fly wheel, you will sacrifice a little torque but gain rev response as well as hp.
     
  11. pissedoffsol

    pissedoffsol RETIRED

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    if i had the choice to gain 3 lb/ft or 3 hp,
    i'd take the tq gain over the hp gain in a second.
     
  12. HOOKUPSPROCRX

    HOOKUPSPROCRX Member

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    in some cases i would agree depending on your weight of the vehicle however keep in mind that to a certain point especially for a street car to much torque will only hurt you(traction problems) hondas as far as drag racing goes make most of their gain in the second half of the 1/4 mile. this is long after hp has taken over. but if your car is heavy then yes more torque is a good i dea.
     
  13. saturn_boy96

    saturn_boy96 88 C1V1C 53D4N DR1V3R

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    how does a lighter flywheel make you lose torque?
     
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