shanYE west Posted September 10, 2008 Report Share Posted September 10, 2008 because cheetahs have powervalves that give the motor more bottom end at lower rpm. what he said. :biggrin: Quote Link to comment Share on other sites More sharing options...
wacko2000 Posted September 10, 2008 Author Report Share Posted September 10, 2008 Kevin at HJR has had some good results with low end cubs. Has to do with the exhaust port roof. If your serious about the cub give him a call and discuss. I would have went that direction when I did my 4mil if it was an option then. SP Yea thats what i have heard.. there is a local builder by me that has also had good low end from cubs but who knows. prob stick with the 4mil stock cylinders and call it a day Quote Link to comment Share on other sites More sharing options...
BlntdEyez Posted September 10, 2008 Report Share Posted September 10, 2008 .prob stick with the 4mil stock cylinders and call it a day LOL for now atleast. you will never be done Quote Link to comment Share on other sites More sharing options...
shanYE west Posted September 10, 2008 Report Share Posted September 10, 2008 I guess I just can't see the benifits of taking a Drag oriented motor then detune it to be trail friendly. When a ported 4mil stock cylinder can have a broad curve with about the same peak HP as the detuned cub. Whats the benifits of the detuned cub over a 4mil stock cylinder? Quote Link to comment Share on other sites More sharing options...
spurdy Posted September 10, 2008 Report Share Posted September 10, 2008 Yea thats what i have heard.. there is a local builder by me that has also had good low end from cubs but who knows.prob stick with the 4mil stock cylinders and call it a day I am plenty happy with my 4mil. Makes lots of good power and pulls nicely. SP Quote Link to comment Share on other sites More sharing options...
TeamRealtreeHD Posted September 10, 2008 Report Share Posted September 10, 2008 Kevin said he is not "detun ing them" to make them trail friendly. In my case it will be a "rideable" and "play" where he said he did them already with huge success and huge numbers. Quote Link to comment Share on other sites More sharing options...
shanYE west Posted September 10, 2008 Report Share Posted September 10, 2008 Kevin said he is not "detun ing them" to make them trail friendly. In my case it will be a "rideable" and "play" where he said he did them already with huge success and huge numbers. So.. The cub will have a broad power spread yet retain the same Peak HP? I'd like to see a dyno on this motor and see how it compares to a 4mil stock cylinder and a detuned cub. sounds interesting. Quote Link to comment Share on other sites More sharing options...
bansheefreak Posted September 10, 2008 Report Share Posted September 10, 2008 i have never raced a out of the box 4mil cub but i bet im close to one with my 12port passion biult 4mil stock cyl.. yeah they might get me on the big end but lets go trail riding..lol Quote Link to comment Share on other sites More sharing options...
rubberneck Posted September 10, 2008 Report Share Posted September 10, 2008 So.. The cub will have a broad power spread yet retain the same Peak HP? I'd like to see a dyno on this motor and see how it compares to a 4mil stock cylinder and a detuned cub. sounds interesting. Word, If he can make the bottom end trail friendly(ish), and keep my top, im sending the cylinders to him ASAP. Like said, if it is big wide open high speed trails, you MAY be ok with the cub, but i think the stock cylinder would be the way to go. My bike pretty much blows on tight winding trail situations in the sand. the dirt would be even worse. You go from nothing to spinning the shit out of the tires squirrley in about .0002 seconds. Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted September 10, 2008 Report Share Posted September 10, 2008 So.. The cub will have a broad power spread yet retain the same Peak HP? I'd like to see a dyno on this motor and see how it compares to a 4mil stock cylinder and a detuned cub. sounds interesting. :shrug: Me too. I dont see how you take a cylinder that is cast as a drag ported cylinder and port it for midrange. Quote Link to comment Share on other sites More sharing options...
dajogejr Posted September 10, 2008 Report Share Posted September 10, 2008 (edited) Oh boy, not even gonna get started... A cheetah with PV would be a better choice than a cub, but....a stock ported cylinder is still the best choice. I can assure you, Cheetahs with PVs were designed more for wide open duners than trail riders....and for that, yes...great choice. Wide Open, Wide Open throttle trails....cubs are fine.... I too would like to see a Dyno chart of this port work on cubs. A cub motor with a more linear curve will be not only more usable all over, but faster at the track.... More torque/HP and less RPM will pull more gear and get you down the strip faster... Edited September 10, 2008 by dajogejr Quote Link to comment Share on other sites More sharing options...
shanYE west Posted September 10, 2008 Report Share Posted September 10, 2008 A cub motor with a more linear curve will be not only more usable all over, but faster at the track.... More torque/HP and less RPM will pull more gear and get you down the strip faster... Exactly Dave, Thats why I want to see a dyno of this setup. Quote Link to comment Share on other sites More sharing options...
TeamRealtreeHD Posted September 10, 2008 Report Share Posted September 10, 2008 So.. The cub will have a broad power spread yet retain the same Peak HP? I'd like to see a dyno on this motor and see how it compares to a 4mil stock cylinder and a detuned cub. sounds interesting. You are asking me? Bud, I won't lie, I have no fucking clue. What I do know is what he told me, and it will have the same power down low, and midrange as my stockers did, but have the cub power up top. And he is not detuning it Quote Link to comment Share on other sites More sharing options...
Animalman294 Posted September 10, 2008 Report Share Posted September 10, 2008 Yea, I wouldn't detune the cubby, waste of time and money, but I too would be interested in the dyno results................. Quote Link to comment Share on other sites More sharing options...
xXBlessedWithDeathXx Posted September 11, 2008 Report Share Posted September 11, 2008 so what i think i made out of this is that a cub is not friendly to trails cuz it dont have the shit down low right? i never had a cub and never rode one so this topic could push me towards it or away. i`m also not tryin to jack the thread but since the subject came up i`m just trying to understand. Quote Link to comment Share on other sites More sharing options...
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