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lightened flywheels 

 

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Posted: Tue Jan 15, 2008 9:58 pm 
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not sure,can i just ask what the hell is IMO???

 

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Posted: Tue Jan 15, 2008 10:01 pm 
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IMO = In my opinion

 

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Posted: Tue Jan 15, 2008 10:05 pm 
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fezagero wrote:
extreme do a light weight flywheel,it weighs 7.5 kg.bit of a difference.already have heavy duty clutch but i will be looking at getting a new ine when i get light flywheel.people have told me that you can light standard ones but i would have thought that would increase the stress on a standard wheel as well as reduce its strenght and it would be more prone to flexing/cracking/exploding.thoughts??
im guessing here,are the stock flywheels cast iron or steel? cast iron over 6500 rpm will strip threads,crack. if you want to buy a new one,get a steel normal weight and make some torque with the revs,even if the cam revs to 8500 rpm. we had a 3ltr holden motor pulling 310fwhp at 8500 rpm, 30 years ago, 12.7 1/4 mile -used to race 351s :lol: :lol: :lol: :lol: :lol: :lol: guess who won :twisted: :twisted:

 

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Posted: Tue Jan 15, 2008 10:07 pm 
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oohhh ok,now i know,cheers,always wondered bout that,i might be able to get a full set of lovells superlows,superlow rear shocks standard front shocks,what do you rekon i should offer the bloke?there bout 12 months old

 

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Posted: Tue Jan 15, 2008 10:09 pm 
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the flywheel im lookin at is made of chromoly i think the standard are cast steel,not sure on that one

 

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Posted: Tue Jan 15, 2008 10:18 pm 
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fezagero wrote:
the flywheel im lookin at is made of chromoly i think the standard are cast steel,not sure on that one
stock are normally cast iron,dont rev. to 6500 rpm

 

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Posted: Tue Jan 15, 2008 10:21 pm 
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engine is limited to 5600-5700,am looking at chip or programmable management to rid this and increase to 6000-6300,chromo one should handle higher revs??

 

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Posted: Tue Jan 15, 2008 10:30 pm 
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fezagero wrote:
engine is limited to 5600-5700,am looking at chip or programmable management to rid this and increase to 6000-6300,chromo one should handle higher revs??
only chasers have no rev limiter,read the 6 cly forums on this,and the transmission forum----tail shaft failure------then do your home work as to what you want the car to do,its a lot of $$$$$$$$$$$$ to have some fun. and do it right,the 1st time.

 

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Posted: Tue Jan 15, 2008 10:44 pm 
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fezagero wrote:
engine is limited to 5600-5700,am looking at chip or programmable management to rid this and increase to 6000-6300,chromo one should handle higher revs??


Did you know that ChromeMoly is heavier than steel????

 

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Posted: Wed Jan 16, 2008 7:23 am 
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it only weighs 7.5 kg,instead of 13-14 kg

 

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Posted: Wed Jan 16, 2008 9:35 am 
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Ride: ford falcon au3 xr8

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67RCE wrote:
THEBOSS wrote:
So im guessing if OED-666's EB runs a 13.8 1/4 mile then his got other stuff going on there and probably had other stuff done at the same time of lightening the flywheel. My EL was stock and i got it done for free while mate was getting his done. Made no difference over 1/4, only contributing factor would be takeoff which we all know are inconsistant... Anyways for all you out there wanting to spend $400 before buying cam, extractors, manual gearbox for $100 extra, or exhaust, then go ahead ad freely spend money on lightening your flywheel...


OED-666's ED ran a 14.2 with an AU motor, Surecam and a T5Z, fitted the lightened flywheel and a new clutch and ran the 13.88, and 200km/h is the very top of 4th in an XR6 with a 3.45LSD (5300rpm)



its not exactly on topic but
that doesnt seem right??
the speed in 4th cant be right for a car with 3.45..@5300 rpm .
im running a au motor with a t5 and 3.08 ratio and i can only get 180 out of 4th @5500 rpm. with the 2.92 it did 200 in 4th @5500...
unless his speedo is out. a car with 3.45 would have a slower speed at 5500 than a car with 3.08..
anyway.............

ive had a lightened flywheel before and i didnt notice any difference.
same with the alloy tail shaft...
i also think you can spend that $450 on other mods and get more performance than lightening the flywheel...

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Posted: Wed Jan 16, 2008 10:05 am 
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TROYMAN wrote:


its not exactly on topic but
that doesnt seem right??
the speed in 4th cant be right for a car with 3.45..@5300 rpm .


heres a clip of someones EF here on fordmods cant remember the name, doing 200kph in 4th with 3.45 diff

http://www.youtube.com/watch?v=0t9rT3OTXts
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Posted: Wed Jan 16, 2008 11:29 am 
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Dude just buy the flywheel and see how it goes if it does not work sell it on ebay. On the shock see if you can get them for like half price would be a good deal then.

 

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Posted: Wed Jan 16, 2008 11:44 am 
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to me thats a 4th gear into 5th gear change. not a 3rd into 4th gear.
if you look close it changes from 4th into 5th at 170 and it does 210 @ 5500 rpm it doesnt say its in 4th though?


im not looking for a argument or anything but here is the same guys 0 to 150 run
in this run he only gets 150 out of 3rd..
http://www.youtube.com/watch?v=cv5KRBAFcRA&feature=user
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Posted: Wed Jan 16, 2008 12:11 pm 
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Had a bit more left in third. Plus that only leaves 50 kph for 4th gear. It should do that easily. Really.

 

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