Guest WESTCORT Posted January 11, 2005 Share Posted January 11, 2005 is it true running a lightened flywheel will make it almost impossible for me to do a hillstart on a steep hill? ie. the clutch will shit itself Quote Link to comment Share on other sites More sharing options...
Jerm Posted January 11, 2005 Share Posted January 11, 2005 im not sure about that ... but i was goign to lighten mmine but was told not to bother cos its shit on the street..... on good for race cars with their foot to the floor all the time ... the revs drop really quickly all the time Quote Link to comment Share on other sites More sharing options...
two_days_late Posted January 11, 2005 Share Posted January 11, 2005 and if you lighten them too much they can fly apart. and apparently when a flywheel comes apart its not pretty. in the escorts i think some have lighter flywheels than others, we pulled a motor out of one and it had this chunky as flywheel on it, chunkier than any other escort one i'd seen. this was a few years ago and the motor could have been out of an auto one? im not sure tho. does anyone else know anythin bout this? Quote Link to comment Share on other sites More sharing options...
Jerm Posted January 11, 2005 Share Posted January 11, 2005 yeah flying flywheels are not good.... they totally wreck your car... i have eard stories about them flying out of bonnets and shhit... rotors have to have special guards around the bellhousingor they are not aloud to drag.. specifically for that reason and they rev so high Quote Link to comment Share on other sites More sharing options...
RT Posted January 11, 2005 Share Posted January 11, 2005 True and not true... yes lightening flywheels can make hill climbing not so flash, can make idle a little rougher, and they can make them fly apart but only due to the fact that your pull higher revs with them. Rota's have huge flywheels as standard...and only one massive nut holding it on. They're so heavy to aid the idle of the 2 stroke engine, but most people lighten them to pull big revs - a rota special, of course then you can get a bit greedy with the revs and when a rota's spinning 10,000rpm and the single nut lets go.... I've got a video of a RX7 with a flywheel flying out the bonnet. Now you have to have a scattersheild to save your toes. But like rotas, Kent's and Pintos that love rev's. A lightened flywheel can be great. When I got mine done it could rev up so much quicker and I had a standard engine off the clock. of course... CHCH is flat as a pancake so everyone has lightened flywheels down here. If you live in Dunedin I wouldn't recommend it. Quote Link to comment Share on other sites More sharing options...
Guest WESTCORT Posted January 12, 2005 Share Posted January 12, 2005 just got a flywheel that has had pretty much the max taken off it possible i dought it will fly apart but if im revving my engine to 8500 ill soon know if it does break Quote Link to comment Share on other sites More sharing options...
davidian Posted January 12, 2005 Share Posted January 12, 2005 youre revving your pushrod to 8500>? why? shurely there wouldnt be much power right up top there? not like its a vtec or rotary... dont know how much of that they can take ay... Quote Link to comment Share on other sites More sharing options...
Jerm Posted January 12, 2005 Share Posted January 12, 2005 yea that pretty high aye.. why are you doing that? Why not focus the power in the mid range where yu can actually use it on the road? Quote Link to comment Share on other sites More sharing options...
Guest WESTCORT Posted January 13, 2005 Share Posted January 13, 2005 the engine should be able to handle it, ive talked to guys who have done the same stuff as what im doin and they said they have rev'd it to 8500 no dramas Quote Link to comment Share on other sites More sharing options...
Guest WESTCORT Posted January 13, 2005 Share Posted January 13, 2005 depending on what cam i get it probly wont have much power up there but its nice to know you can rev it that hard Quote Link to comment Share on other sites More sharing options...
Guest ol_skool_esky Posted January 16, 2005 Share Posted January 16, 2005 i don't think u can rev that high with the old pushrod engine.... i hve heard of pintos doing that but not a kent.... any way if u did do that u could b putting serious stress on the conrods pushrods and if u blow a rod it will fly through the block.... its not prety and i have seen the rx7vid it was not pretty either..... a lightened flywheel is good and bad... yeah u do have a bit of trouble on hills but u can rev a little faster to acomidate for that.... i have a lightened flywheel.... its not lightened too much tho..... Quote Link to comment Share on other sites More sharing options...
lowlancer Posted January 16, 2005 Share Posted January 16, 2005 How much to get one lightened Quote Link to comment Share on other sites More sharing options...
Guest ol_skool_esky Posted January 16, 2005 Share Posted January 16, 2005 it won't b expensive all it needs is a shave and clutch lugs put back on it.... thats all they would do i supose but don't quote me on wat they do.... Quote Link to comment Share on other sites More sharing options...
Jerm Posted January 16, 2005 Share Posted January 16, 2005 about a $100 -$120 once its been refaced etc..... they take it off the back of the flywheel i think like the engine side.... on an escort one there is lots of excess metal that hangs out and the just shave it alloff i think Quote Link to comment Share on other sites More sharing options...
Guest meataxe Posted January 16, 2005 Share Posted January 16, 2005 lucky for me i dont really need to bother with a lightened flywheel!, just bolt my 3k flywheel onto my worked 4k!, 3k ones are lighter....supposedly.... as soon as my engine actually does go in! Quote Link to comment Share on other sites More sharing options...
lowlancer Posted January 16, 2005 Share Posted January 16, 2005 Well then, throw that on the list of things to do too Quote Link to comment Share on other sites More sharing options...
510WGN Posted January 20, 2005 Share Posted January 20, 2005 It's not always the extra rpm that makes the flywheel exit the bell housing, too many people take too much off them thinking that lighter is better!! BUT when you get a crappy cast flywheel that now has most the strength removed to make it lighter, then give it high rpm and a some heavy loading on the clutch it can just fly to pieces. I'm not a fan of lightening cast flywheels, prefer to do the job properly and buy something like a cromoly flywheel that is light AND strong. I jammed a cromoly flywheel in the Primera when I converted to manual, it did cost me about $500, but it dropped the weight from about 8kgs to 4.5kgs! I also now know that I'm never going to have any flywheel issues now or in the future! Quote Link to comment Share on other sites More sharing options...
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