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Discussion Starter · #1 ·
Hi,
I'm new to the forum...just bought a 2011 Z100....after break in I'm looking to install a Fuel Controller and Akrapovic GP Dual Megaphone Slip-Ons to add some muscle to it.......I've had Two Bros on other bikes before like FZ1 with great results but none with PC. Which one works best on the Z? Any thoughts....:dontknow:
 

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don't expect great power increase with slipons and PCv. you'll need a full exhaust on your bike the bottle neck is the catalytic coverter. i just installed a full muzzt and PCv and bcm filter supposed to be good for 22lbs less and about 15 hp more . seat of the pants says this is close. 1st and 2nd gear power wheelies are easy haven't really tried third yet justopening the throttle a little in first raises the front wheel. second gear feels as strong or stronger tham 1st gear did on the stock exhaust. expect maybe 5 hp with slipons and tuner.:screwy::screwy::screwy:
 

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Discussion Starter · #3 ·
hey thanks.....I'm not a racer though ... just looking for an extra punch above factory settings....removing the cat converter will definitely do it but may void the warranty if needed. I just sold a 2008 Yami FZ1 (to buy the Z) with only Yoshimura Slip On and Juice Box and all I can says is that the results were amazing.....can't imagine with the full race system......Any real difference between PC and Juice Box?
 

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not sure. someone posted somewhere on here about the juicebox.:screwy::screwy::screwy:. hadn't thought about the warranty. oh well i saved the old exhaust. just in case.
 

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i just put on ixil slip ons and disconected the butterfly valve removed the cables. is that all you have to do, would you disconect thebox under the seat or just leave it
 

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left mine hooked up. full muzzy PCv and bcm filter. canned map for now my shoulders hurt from the thrust. HA!HA!:screwy::screwy::screwy: reaches for the sky in 1st short shift 2nd back upshort shift 3rd just very light maybe 1 foot. light in 4th also. heart rate goes up. haven't held her to redline yet. usede to be able to ride first to redline. no problem.:screwy::screwy::screwy:
 

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That Darned Valve

Well. Glad I went looking here. Remember I'd gotten all hot and bothered about that Bodis exhaust? Well, it looks pretty damned good... Only had to loosen the mounting bracket on the right side to get that bit on.

However, main reason I'm glad I checked here:

The valve cables - And the valve. I presume we're talking about that big valve that (to me...) has no purpose, attached to the right-side exhaust?

Rick, you said you just left the cables - and Big Al, you said you disconnected them completely?

Either of you noticed any significant problems since?

Also, I was wondering - Full systems replace from the header back, right? Think it'd be reasonable to just get a custom Y-pipe made, to replace that big old clunker-box on the bottom?
 

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i misspoke. i left the cables hooked to the exhaust that i removed. installed PCv at the same time. haven't had any fi light problems. relly my only complaint is the canned map is too rich. 120 miles to tuner shop. when it warms up a little i'm going to try to get it tuned. barry has juice box i believe and he likes it. supposed to be 15 hp gain and 22 lbs weight loss. it feels like it. will know once i get tuned had a stock dyno run. will check with same dyno and operator.:screwy::screwy::screwy:
 

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Ah, Ok - Gotcha. PC is on my list of things-to-buy, but I don't think it has a mapping for the GPX-2; not that it should really matter as they're just very, very costly exhaust tips :dontknow:

When I get the chance, I'll roll over to Thunder Bay and talk 'em p about a custom Y-pipe to see what they think. They work mostly on Harleys (I think...) but I'd imagine they can give some insight. ... Right...?

More on it, as I work through it - I'm sort of limited, right now; I broke my foot last Sunday while walking my dog. :D

Also, if either of you guys had considered the OEM rear-seat replacement cowl, I don't think it's too pretty. "Hot mess" is about how I explained it to my roomies after putting it on. I'll probably just slap the pad back on it, but I'l get pictures of my Z as it is now, before I do.
:eek:ccasion:
 

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no matter what brand PC you get it only does 1 thing it alters the Air Fuel Ratio. it does nothing to the other stock computer problem. being able to alter the ign timing . most of the power increase comes from leaning out the factory RICH cond in open loop [ full throttle]. the factory has it rich under full throttle to protect the engine from production varables . can you picture going up a steep hill 2 up on a 110 Deg day with a load of 87 octane in the tank. PCs let you lean out that safety margin to gain a few HP. it also lets you make it richer in the lower throttle ranges to overcome the EPA lean factory settings. if your bike is lucky and is not to rich or lean the PC will do nothing.
 

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Juice box is nice because there are soo many maps available.
The TBR software can run thier maps and all dynojet maps.
Right now i have i think 8 maps that were pre written.
Any map can be customized and stored in laptop and 10 maps can be loaded into the box.
All that is needed to change one of the box loaded maps is a screwdriver.
Also on the fly low mid high tweeks can be made without laptop on the fly.
Once i get done testing the pre-made maps i will update about them.
Im running each map with 1 tank of fuel noting power curve,milage,and taking other notes such as start up smoothness running and where the power and has moved.
Will post when all maps tested...ride safe...Barry
 

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No i did not, there was a file discrepence that would not allow me to open them.
Maybe if you sent them directly to my email i could.
If you would send them directly to,
[email protected] icould open them and take alook.
Peace
 
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