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ECPerformance
Does any buddy out there have a 500ex kit from FST? how does it work, what is the compression on it and can it run pump gas?
Do I need the oil cooler kit they sell or is it cool enough with the stock? I have a full E-series and a stage2 hotcam. Is it faster than a raptor cuse they can lose me with the 440 in a drag race?
WFO
No pun to Mickey at FST intended at all here, but I have a friend with a locally built 440(on gas) that outran a FST 500 on alcohol at Little Sahara a few weekends ago! Mickey does say however that he builds his motors for reliability and not to be the fastest out there. I do believe he usually builds them to be able to run on pump gas too!
Speed is 95% rider and 5% bike, better make that 5% count!
2000 TC 505EX Complete TC Motor and everything else you can imagine and more!!
Senior Member
all i know is im having him build me a 500 this winter im just waiting to get my chassis upgraded first.you can get it built to run on whatever fuel you want.as far as the 440 smokin a 500 that can be due to many things,rider,considering a 500 on alcohol will spin where the 440 will hook up and go just to name a few.you have to realize his specialty is xc racing not drags as far as i know,and reliability is his middle name.if you have a 440 i think you should already be running an oversized oil cooler not to mention a 500 stroker,thats just my opinion but the kit includes his cooler anyways.he will also undercut gears to help out the tranny.pm me if you want to know all that his kit includes,i just talked to him last week and i'll click and paste you all he told me.
Big Pimpin'
hey man i have fst 500 bike and it hasnt been beat by any 440 or 660 for that matter. mine is really pretty damn fast. it has been real reliable to. not to say i wont get outran just that i hasnt happened yet with another fourstroke. most banshee cant believe how fast i am. i really like it though and i run the oil cooler and my rockers lookk like the first time i tore it down, which is pretty much new. later man
2001 400ex, durablue x-33 axle, Burgard Crhome A-arms, carbon fiber side shrouds, and tank cover, 250r hood, Grooved front mx radials, renthal bars, grip, acerbis hand guards, fcr39 carb, port, polish, Hrc cam, titanium valve spring retainers and heavy duty springs, 500 stroker kit, auxillary oil cooler, K&N fliter, OEM scoops.
You F'in Rookie
Originally posted by nojoke4stroke
,and reliability is his middle name.
I know thta may be true now,but b4 they used to call him Mikey One Lap,hehe :devil
2003 Cannodale Blaze: HDC Built 468 Falicon Stroker, JE 13:1 piston, portjob,PC Carbon Rad. Shrouds,Carbon Tank Cover, Carbon Headlight Deletes, LSR Axle, Houser +3 LT arms, TCS LT shocks, Ohlins w/ Elka Parts Rear, Holeshot XCR's and MXR4's, Z400 throttle, FMF Ti4 Anodized silencer, PRM Bumper and Grab bar
2003 Silverado 3500 D/A Ext. Cab LS AFE stg 2 Intake,Predator stacked w/ Edge Hot O.J., Magna Flow Str8 Piped,PUTCO Grille, SCC Ram-Air hood,Escalade Handles,Smoked cab/marker lights, Kicker Components, JL W6 12's, 1200W JBL amp,Eclipse Double Din Touchscreen, and many more to come
Senior Member
that all depends on who you talk to,who knows how these people were maintaining their engines.besides that,that whole thing was from like 2 years ago or more when it was all R&D and getting the bugs worked out.look at the facts,youre taking a 400 cc engine and converting it to 500.on top of all this i consider customer service a huge factor,i posted a thread to the general public last week regarding this kit and he personally responded to it within 5 hours and responded to all of my pm's within 24 hours.try getting that from some of the other top names out there.Originally posted by Pro400EXC
I know thta may be true now,but b4 they used to call him Mikey One Lap,hehe :devil
Junior Member
hey
wat is the fst 500? where can i get it at? and how much is the cost for the whole kit? i need somethin that will b fast as hell so is it worth it or not? thanx
ECPerformance
The FST 500 is a 500 stroker/big bore kit for the 400EX. you can get it with four stroke tech. the starter kit is 800$ and you get the stroker crank piston sleeve and gasket.
Senior Member
i just sent you a pm 440ex,i forgot to mention the kit is $2,800 and the i would highly recommend getting the gears undercut to help out the tranny for $300.dustin,fst stands for four stroke tech,you'll need to contact mickey dunlap for more specifics as to what the kit includes,its not a bolt on,you send him your motor and get it back ready to bolt back in.type "stroker kits" in the search engine on this site and you can find his number.definately fast as h*** and worth the money.i wouldnt even think about it until you get a new chassis with with shocks,bigger a-arms and axle and a +2 swingarm minimal,although you might want to go with the +4 because this kit screams.
Junior Member
i kno wat four stroke tech is i didnt kno that they were the initials for it.im 15 and im looking for a job cuz im gonna buy a new 400ex and im building it up with a big wiseco piston not sure wat ratio yet i want at least a 11:1,k&n air filter,dmc alien exhaust,wb rev kit,hot cams cam thats wat i mainly wanna gte for it motor wise so thanx for tellin me that i was wondering wat fst stood for i have a honda fourtrax 300 right now i need something better i got most of the money for it now so its all good
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