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Old 08-03-2014, 01:16 AM   #45
Boxer486
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Join Date: Oct 2013
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Quote:
Originally Posted by Brinks View Post
I've had two lightweight flywheels, one on a 05 20G STi another on a BT Gt28rs Audi A4. Both were terrible. Maybe it was due to the specific set up but they were a buzz kill.

Which brands did you have in particular? Both MT??

Quote:
Originally Posted by Infamous Performance View Post
Yes. My own AT cars. Due to electronic throttle and tuning there is always a sweet spot for cruising MPG. Find the sweet spot and with a LWCP you can gain 1-2 MPG cruising.

Are you actually determining that using BSFC or guessing via butt dyno? If you have any respective info on the sweet spot of the FA20 feel free to share.

Quote:
Originally Posted by Infamous Performance View Post
The FA block is similar enough to the EJ. Neither motor has a harmonic balancer. Both motors rely on the small amount of rubber in the crank pulley to absorb vibration. We have already seen internal bearing damage from combining a LWCP and LWFW in the FA motor.

If it's using rubber it may not be a balancer but it is a damper. A balanced damper at that.


I presume all those motors were MT?
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