2010 SuperTrapp SE Slip-On Mufflers
in [Harley-Davidson]
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From: nobody #1 on 13 Nov 2009 06:38 TL (at work) wrote: > "nobody #1" <rnddmauck(a)comcast.net> wrote > >> hey, how'd that compensator work out? > > Fired it up at the dealer and the same noise was still there. Decided to > just ride it. Daytona and back the tap::::tap::::tapping in there became > more pronounced. > > Read some threads somewhere that folks were suspecting weak automatic > primary tensioner springs. Figured they were making noise trying to click up > to the next notch but weren't quite making it. Some were obsessed enough to > yank the primary cover and push it up a notch manually... said the noise > stopped. Good thing they got rid of that inspection port in '07, huh? That'd > make it too easy. > > I went the less direct route. Dropped it in gear with the engine off, clutch > out and rocked it back n forth straining against the drivetrain's resistance > thinking maybe if the noise was due to the tensioner maybe I'd get lucky and > it'd adjust up a notch. No primary noise yesterday, I'm gonna give it some > miles before I pronounce it cured. > > 112 > > One of the first things I noticed about the new bike when it was new was the primary chain noise. A constant whining that I only heard on my other bikes when the dealer adjusted all of the slack out of the chain. My primary emits a low tap when the bike is warmed up I decided to ignore it. This bike has several sounds coming from it but it's still significantly quieter than the '01 and '05 I had before it. Well, except for fifth gear it's loud as hell. So was the SE compensator a waste of time and money? I can get my stock one to rattle pretty hard if I take off quickly, almost like I'm lugging the engine except I'm not. nobody #1
From: MrScottly#54 on 13 Nov 2009 15:27 On Nov 12, 9:06 pm, nobody #1 <rnddma...(a)comcast.net> wrote: > TL Mitchell wrote: > > "c" <smalltalkingchic...(a)gmail.com> wrote > > >>>> what do you think is really going on? > > you think the moco let their bikes be neutered by the EPA, or do you > > think they designed around the upcoming EPA req's and made a bike that > > sounds/performs like it should, regardless of the EPA req's?<<< > > >>>> i don't know for sure, but i DO know they want to sell you more > >>>> parts...<<< > > > I don't have detailed comparisons of '09 vs '10 but I'm firmly convinced the > > cat allowed 'em to do the A/F ratios the way they should be. My '10 bone > > stock with slipons performs comparably to the modded '07...... true duals, > > slipons, SE breather, ThunderMax ECM tweaked to perfection. I get what feels > > like comparable performance and throttle response, better gas mileage and > > the plugs look the way they should after 3000 miles where the plugs on the > > '07 were chalk-white after 1k and it ran hotter than hell. This bike runs > > better and cooler. My take is the cat takes care fo the emissions so the A/F > > ratios don't have to be ridiculously lean. YMMV. > > > 112 > > Too rich and converters burn up and the exhaust smells like rotten > eggs. Too lean and the converter won't hardly work at all. ...........................................That's the way > it works on cars and I can't think of any reason that the engine > controls on the new Harleys would be any different. > > nobody #1 > >> - Show quoted text - I can....the allowable amount of unburned hydrocarbon emmissions in a bike is different from that in a car. That being said, the threshold for a "fault" that turns on the light is much greater. The number of momentary faults as related to emmissions to set a code is much greater, aka more tolerance. As to TL's seat-of-pants comparison on running qualities, one thing has changed on the new models....the speed of the processor and the memory capacity in the ECM. Where the cat might allow for a slightly richer mix, the reaction speed to mixture variances due to intake pressure variances is much quicker, erasing previously problematic hesitations. Wack the throttle open and listen for the ping....it used to ping a bunch until the knock sensors picked it up and changed the timing. Now, it only pings once. MrScottly#54
From: nobody #1 on 13 Nov 2009 18:49 TL Mitchell wrote: > "nobody #1" <rnddmauck(a)comcast.net> wrote > >> So was the SE compensator a waste of time and money? > > ::shrug:::: Who knows? If you see the two parts side by side you'd *want* > the SE! > > 112 > > Maybe so but if I don't need to spend any more money then I'm not going to. nobody #1
From: nobody #1 on 13 Nov 2009 19:33 MrScottly#54 wrote: > On Nov 12, 9:06 pm, nobody #1 <rnddma...(a)comcast.net> wrote: >> TL Mitchell wrote: >>> "c" <smalltalkingchic...(a)gmail.com> wrote >>>>>> what do you think is really going on? >>> you think the moco let their bikes be neutered by the EPA, or do you >>> think they designed around the upcoming EPA req's and made a bike that >>> sounds/performs like it should, regardless of the EPA req's?<<< >>>>>> i don't know for sure, but i DO know they want to sell you more >>>>>> parts...<<< >>> I don't have detailed comparisons of '09 vs '10 but I'm firmly convinced the >>> cat allowed 'em to do the A/F ratios the way they should be. My '10 bone >>> stock with slipons performs comparably to the modded '07...... true duals, >>> slipons, SE breather, ThunderMax ECM tweaked to perfection. I get what feels >>> like comparable performance and throttle response, better gas mileage and >>> the plugs look the way they should after 3000 miles where the plugs on the >>> '07 were chalk-white after 1k and it ran hotter than hell. This bike runs >>> better and cooler. My take is the cat takes care fo the emissions so the A/F >>> ratios don't have to be ridiculously lean. YMMV. >>> 112 >> Too rich and converters burn up and the exhaust smells like rotten >> eggs. Too lean and the converter won't hardly work at all. ..........................................That's the way >> it works on cars and I can't think of any reason that the engine >> controls on the new Harleys would be any different. >> >> nobody #1 >> >>> - Show quoted text - > > > I can....the allowable amount of unburned hydrocarbon emmissions in a > bike is different from that in a car. Is it? I don't know, what's the current specs for cars and bikes? hc co nox? That being said, the threshold > for a "fault" that turns on the light is much greater. Is it, I wonder why? What's threshold? Difference? The number of > momentary faults as related to emmissions to set a code is much > greater, aka more tolerance. I do a bit of work on cars emission related systems and momentary faults is something I've never heard of. Seen plenty of intermittent problems but those are repairable and go away once fixed. What's this momentary stuff? > > As to TL's seat-of-pants comparison on running qualities, one thing > has changed on the new models....the speed of the processor and the > memory capacity in the ECM. Where the cat might allow for a slightly > richer mix, the reaction speed to mixture variances due to intake > pressure variances is much quicker, erasing previously problematic > hesitations. > > Wack the throttle open and listen for the ping....it used to ping a > bunch until the knock sensors picked it up and changed the timing. > Now, it only pings once. > > > MrScottly#54 > > My '09 never pings, ever. If I whack the throttle on it, it just goes no fooling around, pinging, hesitation, nothing. Anyway seems like you know a lot more about this than I do so if you'd go into some detail about it I would appreciate it. Especially the emission spec stuff. I haven't have a genuine gas analyzer since back in the 80's.
From: MrScottly#54 on 14 Nov 2009 08:33
On Nov 13, 5:06 pm, Steve Irving <sd...(a)NOSPAMq.com> wrote: > > > If the variance allowed by the system on a car is (for example) .5%, why would a > motorcycle not have the same variance of .5% before is sets a code?? Same reason diesel belches smoke out the pipe....because they can. In any manufacturing environment, tolerance = cost....this includes emmissions output. Don't build to a standard you don't have to. Now, if they see the future standards tightening and they plan ahead....?? MrScottly#54 |