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95silverprelude · 07-15-2008, 09:47 PM

im doing the trans in my car again and im going to put a lighter flywheel in it just wondering if an 8lb is too light. My friend has one in his mazda and it seems like a bitch to drive. please give me some input

Bkkfarang · 07-15-2008, 10:02 PM

that light will most likely make your lude a bitch to drive . and its a real bad idea if your boosted . they can cause a loss of power on hills , na or boosted , fun for a track car but not fun in traffic at all

Calesta · 07-17-2008, 03:08 AM

Lighter flywheels do NOT cause a loss in power ANYWHERE. They're torque storage units, that's all.

If you can deal with learning how to drive and manage a lighter flywheel, get the 8 pounder. I ran a 7.5lb on my Civic and I absolutely LOVED it.

beano135 · 08-04-2008, 07:45 PM

7.5 on my integra works great. I'm glad you cleared up that it does cause loss of power! I haven't noticed any driving problems either. works great!

t3t4delsol · 08-04-2008, 10:43 PM

7.5 really improved the y8

Calesta · 08-04-2008, 10:52 PM

Quote:

Originally Posted by beano135

7.5 on my integra works great. I'm glad you cleared up that it does cause loss of power! I haven't noticed any driving problems either. works great!

I said does NOT.

Luis998 · 08-05-2008, 02:23 AM

Quote:

Originally Posted by Calesta

I said does NOT.

I think he may have just gotten a bit too excited, Mike.

I'm still wondering if a lighter flywheel would be a good call for my build...but that, as you already know, is quite a while away still.

K2e2vin · 08-05-2008, 03:48 AM

I had a 8lb flywheel in my 90 Accord(F22A1) and still one in my 88 Civic(JDM D15B VTEC). With the Prelude, I don't think this will be a problem. The Honda 2.2l's have plenty of torque, thus making driving with lighter flywheels not too difficult.

My Civic is much harder to drive than my old Accord; even though they both have/had 8lb flywheels. Only problem with the 8lb in the Accord is if you weren't used to it; shifts would bog/shake the car. I've taught two novice drivers how to drive manual with my Accord and they both did very well.

Calesta · 08-05-2008, 04:22 AM

Quote:

Originally Posted by Luis998

I think he may have just gotten a bit too excited, Mike.

I'm still wondering if a lighter flywheel would be a good call for my build...but that, as you already know, is quite a while away still.

I've just seen WAY too many people on the forums say "does" when they mean "does not." It's really annoying.

I think it's a good idea.

K2e2vin · 08-05-2008, 04:34 AM

Quote:

Originally Posted by Luis998

I'm still wondering if a lighter flywheel would be a good call for my build...but that, as you already know, is quite a while away still.

What type of racing do you do?

Most of the D-series guys prefer 12-15lb flywheels for drag racing/slicks. Anything lighter and the motor bogs. I'd say this may be a good choice for B-series guys too...

For road course/autoX, light is good(6-9lbs).

HelixB18C1 · 08-05-2008, 09:22 AM

Quote:

Originally Posted by 95silverprelude

im doing the trans in my car again and im going to put a lighter flywheel in it just wondering if an 8lb is too light. My friend has one in his mazda and it seems like a bitch to drive. please give me some input

no pain no gain. Almost any one who installs a clutch and/or fly wheel will have a hard time driving at first but then you get used to it. Plain and simple.

94H_Ex · 08-05-2008, 09:40 AM

I have the the 8 lb flywheel as well. i know theres no gain nor loss in the power. but it helps the engines reaction. I have a way quicker rev up then i did with stock.

Blanco · 08-05-2008, 12:07 PM

On the street. stay around 11-12lbs. but if you're going to track the car at all go ahead and get a lighter one. There's really no reason to have an 8lbs. flywheel on a street engine.

Both my Z6 and my 325i have an 11.5lbs. flywheel.

drg007 · 08-05-2008, 01:11 PM

street driving. 12 pound is good, but 8 pound seem to light, depend on on the engine.

K2e2vin · 08-05-2008, 01:48 PM

A lot of the dragsters got better 0-60's with 12lb flywheels

mdpsEG · 08-05-2008, 06:08 PM

i always liked the 7.5lb flywheel i used to have in a b16a back in the day. that sucker revved like crazy, it was a blast to drive on the twisties, but was very touchy in traffic.

cressidakiller · 08-26-2008, 01:23 PM

maybe a lil late on this one. not sure ur stock flywheel weight. i had a 97 eclipse turbo. got a ~25%-30% lighter flywheel. it was cool when i could chirp the tires at the top of 1st gear. rev-matching on turns was also easier/quicker. but cruising sucked. had to shift at higher rpms or blip the throttle a little between shifts. but if u do it some say to avoid certain materials. some places will sell you a 'shaved' stock one and give you $ for core deposit.

beano135 · 08-27-2008, 10:37 AM

sorry Calesta.
I was agreeing with you but now I sound stupid....
It DOES NOT cause loss of power... just to clear that up.
Lighter is always better. who cares if it's a little harder to drive. lighter revs faster and saves gas! all thngs i like!
It Allows you to get more torque to the ground(wheels) instead of tieing that power up into just spinning a heavier mass in a circle...
The engine does all the work, the torque converter "momentum" only helps on the initial take off.(if you;re racing you're engine should have some power to pull you through anyway, "it does all the work)" otherwise the extra weight of a heavier flywheel is only bogging you down while trying to accerlerate. I think most of you guys understand the physics behind this but just in case i can help shed any light on this.
let me know if you think my reasoning flawed.

Calesta · 08-27-2008, 09:32 PM

No problem.

As far as tying up power- you're not really doing that, at least not all the time. You're just delaying it. The flywheel is basically a torque battery- but you have to charge it up before you can push power or torque past it.

07-15-2008, 09:47 PM	#1
95silverprelude Member Join Date: Sep 2007 Posts: 33 iTrader: 0 / 0% Rep Power: 0	8lb flywheel im doing the trans in my car again and im going to put a lighter flywheel in it just wondering if an 8lb is too light. My friend has one in his mazda and it seems like a bitch to drive. please give me some input

07-17-2008, 03:08 AM	#3
Calesta Admin with a big stick Join Date: Sep 2002 Location: Lufkin, TX Age: 31 Posts: 23,895 iTrader: 0 / 0% Ride: 2003 S2000 Rep Power: 265	Lighter flywheels do NOT cause a loss in power ANYWHERE. They're torque storage units, that's all. If you can deal with learning how to drive and manage a lighter flywheel, get the 8 pounder. I ran a 7.5lb on my Civic and I absolutely LOVED it. __________________ DO NOT PM me with tech questions! Use the forums! Intercrew Auto Salon - (972) 485-8688

08-05-2008, 03:48 AM	#8
K2e2vin Senior Member Join Date: Jan 2003 Location: Raleigh, NC Age: 21 Posts: 5,225 iTrader: 2 / 100% Ride: 88 Honda Civic HB Rep Power: 88	I had a 8lb flywheel in my 90 Accord(F22A1) and still one in my 88 Civic(JDM D15B VTEC). With the Prelude, I don't think this will be a problem. The Honda 2.2l's have plenty of torque, thus making driving with lighter flywheels not too difficult. My Civic is much harder to drive than my old Accord; even though they both have/had 8lb flywheels. Only problem with the 8lb in the Accord is if you weren't used to it; shifts would bog/shake the car. I've taught two novice drivers how to drive manual with my Accord and they both did very well. __________________ 1988 Honda Civic STD-more mods than I want to list Terrorists have successfully attacked our imagination. RIP Jon Eban Nie, August 31, 1991 - May 7, 2006 Y-Daniel Siu Eban, September 7, 1986 - May 7, 2006

08-05-2008, 01:48 PM	#15
K2e2vin Senior Member Join Date: Jan 2003 Location: Raleigh, NC Age: 21 Posts: 5,225 iTrader: 2 / 100% Ride: 88 Honda Civic HB Rep Power: 88	A lot of the dragsters got better 0-60's with 12lb flywheels __________________ 1988 Honda Civic STD-more mods than I want to list Terrorists have successfully attacked our imagination. RIP Jon Eban Nie, August 31, 1991 - May 7, 2006 Y-Daniel Siu Eban, September 7, 1986 - May 7, 2006

08-27-2008, 10:37 AM	#18
beano135 Junior Member Join Date: Aug 2008 Age: 22 Posts: 18 iTrader: 0 / 0% Rep Power: 0	sorry Calesta. I was agreeing with you but now I sound stupid.... It DOES NOT cause loss of power... just to clear that up. Lighter is always better. who cares if it's a little harder to drive. lighter revs faster and saves gas! all thngs i like! It Allows you to get more torque to the ground(wheels) instead of tieing that power up into just spinning a heavier mass in a circle... The engine does all the work, the torque converter "momentum" only helps on the initial take off.(if you;re racing you're engine should have some power to pull you through anyway, "it does all the work)" otherwise the extra weight of a heavier flywheel is only bogging you down while trying to accerlerate. I think most of you guys understand the physics behind this but just in case i can help shed any light on this. let me know if you think my reasoning flawed. Last edited by beano135; 08-27-2008 at 10:44 AM.


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07-15-2008, 10:02 PM	#2
Bkkfarang Senior Member Join Date: Jun 2008 Location: Bangkok and Shenzhen Age: 37 Posts: 290 iTrader: 0 / 0% Ride: 95eg extreme single cam / 06jazz hks turbo soon/ Blog Entries: 1 Rep Power: 7	that light will most likely make your lude a bitch to drive . and its a real bad idea if your boosted . they can cause a loss of power on hills , na or boosted , fun for a track car but not fun in traffic at all

08-04-2008, 07:45 PM	#4
beano135 Junior Member Join Date: Aug 2008 Age: 22 Posts: 18 iTrader: 0 / 0% Rep Power: 0	7.5 on my integra works great. I'm glad you cleared up that it does cause loss of power! I haven't noticed any driving problems either. works great!

08-04-2008, 10:43 PM	#5
t3t4delsol Senior Member Join Date: Mar 2008 Location: York, Pa Age: 25 Posts: 582 iTrader: 0 / 0% Ride: 97 del sol si turbo / dd is a 95 eclipse gsx Rep Power: 10	7.5 really improved the y8

08-05-2008, 01:11 PM	#14
drg007 Junior Member Join Date: Aug 2008 Location: santa ana Age: 30 Posts: 17 iTrader: 0 / 0% Ride: integra Rep Power: 0	street driving. 12 pound is good, but 8 pound seem to light, depend on on the engine.

08-05-2008, 06:08 PM	#16
mdpsEG Senior Member Join Date: Jun 2008 Location: north palm beach, FL Age: 28 Posts: 267 iTrader: 0 / 0% Ride: B20/vtec DC, Nissan Xterra SE, 16ft Caprice Skiff Rep Power: 11	i always liked the 7.5lb flywheel i used to have in a b16a back in the day. that sucker revved like crazy, it was a blast to drive on the twisties, but was very touchy in traffic.

08-26-2008, 01:23 PM	#17
cressidakiller Senior Member Join Date: Jul 2008 Location: DC Age: 28 Posts: 255 iTrader: 0 / 0% Ride: 87 crx si Rep Power: 8	maybe a lil late on this one. not sure ur stock flywheel weight. i had a 97 eclipse turbo. got a ~25%-30% lighter flywheel. it was cool when i could chirp the tires at the top of 1st gear. rev-matching on turns was also easier/quicker. but cruising sucked. had to shift at higher rpms or blip the throttle a little between shifts. but if u do it some say to avoid certain materials. some places will sell you a 'shaved' stock one and give you $ for core deposit.

08-27-2008, 09:32 PM	#19
Calesta Admin with a big stick Join Date: Sep 2002 Location: Lufkin, TX Age: 31 Posts: 23,895 iTrader: 0 / 0% Ride: 2003 S2000 Rep Power: 265	No problem. As far as tying up power- you're not really doing that, at least not all the time. You're just delaying it. The flywheel is basically a torque battery- but you have to charge it up before you can push power or torque past it. __________________ DO NOT PM me with tech questions! Use the forums! Intercrew Auto Salon - (972) 485-8688

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