lightweight flywheel

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31-10-2005, 03:38 PM
lerroy

yeah fuel economy tough one...

hmm
fly is lighter less fuel to turn it
but takes more revs to keep it spinning

from what i have done it seems i lost a few kms to the tank but when i got it done car was tuned also :( so i cant comment
31-10-2005, 04:39 PM
Zdster

Quote:

Originally Posted by wynode

City driving - Less inertia with lightened flywheel = less work required to accelerate.

Yes, but as Ben said it requires more reving as well.

Quote:

Originally Posted by lerroy

fly is lighter less fuel to turn it
but takes more revs to keep it spinning

After reading a number of threads that is what I was thinking.

I suppose it is like with the higher octane fuel - any potential benefits you may see evaporate as you tend to drive the car harder.
31-10-2005, 04:44 PM
aStRooo

i wasnt aware that exedy had a lightened flywheel for the D-series Ben. wouldnt happen to have a part number would u? =)
31-10-2005, 05:33 PM
lerroy

Quote:

Originally Posted by Zdster

I suppose it is like with the higher octane fuel - any potential benefits you may see evaporate as you tend to drive the car harder.

yeah thats what i was thinking.....
hills are a bit harder to get up to casue you dont have the momentum as well
31-10-2005, 05:42 PM
bennjamin

Quote:

Originally Posted by aStRooo

i wasnt aware that exedy had a lightened flywheel for the D-series Ben. wouldnt happen to have a part number would u? =)

I had one on my engine previosu but got a new TODA item in - please PM "egSi" on this forum as he bought my Exedy flywheel off me , he should find a number on there somewhere.
31-10-2005, 05:59 PM
wynode

Quote:

Originally Posted by Zdster

Yes, but as Ben said it requires more reving as well.

As in?

PS: I read through ben's posts and can't find what you are reffering to!
31-10-2005, 06:16 PM
Zdster

Quote:

Originally Posted by wynode

As in?

PS: I read through ben's posts and can't find what you are reffering to!

My bad - I mis-read/quoted Ben.

What I meant was (as far as I understand) you end up reving more to maintain the same rpm's simply because the flywheel is lighter and will not continue to spin under its own momentum

(I think this is the right understanding although please correct me if I am wrong).
31-10-2005, 06:19 PM
wynode

Well on the freeway (regardless of the flywheel) you would have to keep your foot on the accelerator to maintain speed. It's just that if you take it off the accelerator, the car will slow down quicker with a lightened flywheel.

But around town......it would be less work for the engine with a lighter flywheel.
31-10-2005, 06:27 PM
bennjamin

Quote:

Originally Posted by Zdster

My bad - I mis-read/quoted Ben.

What I meant was (as far as I understand) you end up reving more to maintain the same rpm's simply because the flywheel is lighter and will not continue to spin under its own momentum

(I think this is the right understanding although please correct me if I am wrong).

I refered to the "obvious WANT to rev more with a light-weight responsive flywheels" lol !

BTW afaik the exact same revs have to be maintained with a stock vs lightweight flywheel to acheive the same revs/road speed in any given gear BUT its the very maintenance of a lightweight flywheel that is different. Revs will rise and drop much quicker as the engines energy is not stored (think a soft spring in comparison to a stiffer spring of the same length) , and Ive noticed there is less engine-braking availible than before ( you will resort to usign the brakes a fair amount more)
31-10-2005, 06:42 PM
Zdster

Quote:

Originally Posted by wynode

Well on the freeway (regardless of the flywheel) you would have to keep your foot on the accelerator to maintain speed. It's just that if you take it off the accelerator, the car will slow down quicker with a lightened flywheel.

But around town......it would be less work for the engine with a lighter flywheel.

Using the freeway example however, you need to apply more pressure to the pedal, more often to maintain the same speed than with a standard flywheel.

Thinking out load, around town wouldnt you need more petrol as you while it takes less effort to turn the engine, the revs will drop faster in stop and start traffic meaning you will need to accelerate more often and hence use more petrol???

Quote:

Originally Posted by bennjamin

I refered to the "obvious WANT to rev more with a light-weight responsive flywheels" lol !

Thats what I misinterpreted :). Using that example any savings in fuel economy would obviously be used up.
31-10-2005, 10:27 PM
MoDCoN

Quote:

Originally Posted by bennjamin

I have a EG5 - and i have a TODA flywheel :)

http://www.ozhonda.com/gallery/water...79DSCF0004.JPG

Cost a pretty penny but worth it IF replacing clutch at the same time....low speed driving = no different to stock BUT once you start revving u will notice the response difference.

You can get TODA , Exedy locally/imported - or even a JUN etc.

Otherwise you can import from the US - search on www.d-series.org for more info.

hey ben

whee would i find one of these? cos im looking at the toda website... and they aint sayin anythin to me! :(. should i try traders on this forum?
31-10-2005, 10:31 PM
pornstar

if ur after toda and ur in melbourne, ill get them for u. (toda_au can confirm this)

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