locogato11283 Posted January 16, 2005 Report Posted January 16, 2005 well boys and girls here it is. CPI vs rockets. went to the dyno today to see the difference and it came out like i thought it would. there were about 20 guys there and they were VERY surprised, and disappointed. i even had a guy call my rockets "fugly". so after he saw this i rubbed it in that my "fugly" pipes make more fuckin power than his did...rocket made more hp and torque than the cpis. see for yourself. oh yea, it dynoed at 77.3 hp with the rockets and 74.2 with the cpis. cant remember exactly the difference on torque, i think it was right around 3 lbs. i also put the cr500 banshee on the dyno but for some reaosn it wouldnt read the rpm's right. once it got to 3800 rpm it wouldnt read anymore. the guy running the dyno said he never had that problem before and that hed get it fixed so i could bring it back and run it agian. at 3800 rpm when the dyno quit reading it was making 60 hp. i figure it revs out somewhre around 8000 rpm or so. i figure that thing is making some pretty good hp. Quote
Banshee~ Posted January 16, 2005 Report Posted January 16, 2005 well boys and girls here it is. CPI vs rockets. went to the dyno today to see the difference and it came out like i thought it would. there were about 20 guys there and they were VERY surprised, and disappointed. i even had a guy call my rockets "fugly". so after he saw this i rubbed it in that my "fugly" pipes make more fuckin power than his did...rocket made more hp and torque than the cpis. see for yourself. oh yea, it dynoed at 77.3 hp with the rockets and 74.2 with the cpis. cant remember exactly the difference on torque, i think it was right around 3 lbs. 307276[/snapback] Thats nice, what kind or porting do you have on this motor? Quote
Cotton eyed Joe Posted January 16, 2005 Report Posted January 16, 2005 OMFG those pipes killed CPI's right where they dip down.... Holy shit.... OH BOY!!!! Quote
D34 Posted January 16, 2005 Report Posted January 16, 2005 is this with the 35pwks? what main jet r u runnin... looks rich on top Quote
locogato11283 Posted January 16, 2005 Author Report Posted January 16, 2005 is this with the 35pwks? what main jet r u runnin... looks rich on top Quote
RNBRAD Posted January 16, 2005 Report Posted January 16, 2005 Holy cow, that is quite a significant difference. Good field work there Tyler, I'm sure that will make some people piss and moan, oh well.. Quote
locogato11283 Posted January 16, 2005 Author Report Posted January 16, 2005 Holy cow, that is quite a significant difference. Good field work there Tyler, I'm sure that will make some people piss and moan, oh well.. 307305[/snapback] yea i know. there were like 15 guys there tonight that were a little upset... Quote
D34 Posted January 16, 2005 Report Posted January 16, 2005 160's r not 2 high... what type of air filter system r u using?... looks like those do good on ur bike... the cpi's did better when we went 2 the dyno ... Quote
NugShee Posted January 16, 2005 Report Posted January 16, 2005 ill be the first to piss and moan. something better then my cpi's? cant be, hehehehe. well I got to hand it to Rocket, they make a mean pipe. on your graph there was one point where there was a 12hp differance. That can mean a lot if your dragging. The thing you have to remember though is that the rockets might have dyno'd better on your bike but the CPI's may have Dyno'd better if it were a differant motor set up. Either way they are both bad ass pipes. Thanks for sharing the dyno results with us. Quote
locogato11283 Posted January 16, 2005 Author Report Posted January 16, 2005 160's r not 2 high... what type of air filter system r u using?... looks like those do good on ur bike... the cpi's did better when we went 2 the dyno ... 307361[/snapback] single k and n filter runnin into both carbs.. 2 into 1 type of set up. my builder wants to test them on his 10mm bike vs cpis. so hopefully itll help to see what kinda engines they work best on. nugshee, they are def badass pipes. im sure that one some engines one is gonna be better than the other. im hoping to get them tested on a few different motor setups. a 10mm and my bros 4mm will be in the very near future.... Quote
wesw Posted January 16, 2005 Report Posted January 16, 2005 it would be interesting to see how the 2 pipes all react to different ports and engines. i guessing you would come up with 3 different results. your dyno the rockets won, but in passions dyno that he posted cpi win all in all this is interesting as all hell also lookslike you bike is a running bastard, Quote
D34 Posted January 16, 2005 Report Posted January 16, 2005 single k and n filter runnin into both carbs.. 2 into 1 type of set up. 307370[/snapback] how long is the intake tract (from the filter 2 the beginnin of the carbs)? i run 2 pod k&n's... mabye its not jettin ... what do u have the timin set at??? the high rpm should b a smooth curve not chopped up like it was... not bashin it just tryin 2 help u get more out of it Quote
locogato11283 Posted January 16, 2005 Author Report Posted January 16, 2005 how long is the intake tract (from the filter 2 the beginnin of the carbs)? i run 2 pod k&n's... mabye its not jettin ... what do u have the timin set at??? the high rpm should b a smooth curve not chopped up like it was... not bashin it just tryin 2 help u get more out of it 307379[/snapback] i dont know right off hand how far it is. when i dynoed it last time it didnt have that chopped up shit at the end. only thing i can guess is that the needle may need to move one way or the other or possibly that my air filter was dirtier than fuck. timing is at +7. im sure it was prolly in the needle or the fact that my air filter was dirty. it was just gettin late and i didnt wanna mess with the jetting too much since his air/fuel sensor wasnt working. im gonna be taking it back when he gets that shit fixed. wesw, it is a running motherfucker. the other guy there dynoing his bike was actin pretty badass until i got mine on there. his pulled 72.7 and when mine pulled 77.3 his attitude changed, especially when he was talking shit and he found out my rockets were putting out more then the cpis on that setup. id really like to see a dyno chart on a 350 bike and see how it compares to this. Quote
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