It drops rotational weight from the motor, therefore allowing the engine to rev faster, in theory improving acceleration and throttle response. Just like lightened wheels and pulleys would improve acceleration.b14guy said:Hey guys, just doin the sr20 swap to my b14 sentra gxe and need to get a new flywheel. I was just wondering if it's worth getting a lightened aluminum flywheel, or should i just stick with the stock one?
It depends on the dyno used. One type of dyno records the horsepower freed by lowering rotational mass. One type does not.DEAD SE-RIOUS said:i have searched this topic before, and they are mixed reviews. some say that lightened flywheels don't make power. and some say that they do. my question is how is it that ur pullies make hp (6 whp) why is it that a flywheel doesn't? isn't it the same concept?
]Ninety-Nine SE-L said:BTW, Has anyone ACTUALLY experienced less drivability by switching to a lighter flywheel, b/c IMO, that's also BS. Possibly b/c when you did the install, you prolly installed an incredibly insane stage 25 clutch with an on/off switch for a pressure plate. I installed an 8lb fidanza flywheel along with an ACT HDSS clutch and the car has never been easier to drive. Took me a few days to get used to the feel, but rev matching is almost instant it engages very smooth, and so long as I'm not driving like a jackass, I can make it much smoother than I could with my stock setup.