Rev limiter
- Thread starter heavygunnz96
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heavygunnz96
Member
I’m definitely dead set and I’m in no rush. Like we discussed a couple weeks ago on my very first post I was given a wrecked 1125R and the challenge to take what I learn in school and build a bad ass buell. So I just wish everyone would understand I’m new I’m learning and I’m posting shit in the realm getting insight and seeing what’s possible. But at the end of the day I wanna build bad ass buell and I’ve seen many across the web.
We’re all about you building a bad ass Buell. We’re trying to stop you from making a dumb ass mistake.
You’ve been in school for a few weeks. I’ve been doing Buells for over 10 years and some of the others have been doing the Buell thing a lot longer and know a lot more.
I’ve already told you how to raise your rev limiter (aka blow up your engine).
If you’re so sure you know what you’re doing and we don’t, why are you here?
I’m curious to know more about this “big bore kit” you bought. I’m sure Hammer, Zippers or S&S probably didn’t tell you to raise the rev limiter, so I’m going to assume you picked up some Wiseco pistons off Amazon.
Consider this…. Build the bad ass Buell FIRST…
Then raise the rev-limiter.
Then raise the rev-limiter.
And remember, reliability is in the "bad ass Buell" prerequisites checklist. And in my opinion, the first and most important.
Having something that is bad ass but doesn't run is quite the opposite of bad ass.
BTW something came to my mind right now. You want to learn about high RPM in engines that doesn't rev that high, seek information about nascar engines.
The kind of trick you want to pull is the same insanity they do with LS V8s. Learn about how long it lasts, what need to be moded, what kind of metals you need to use, how and where to cnc parts with the right alloy...
Since we can't convince you that it's impossible, or at least irrational and you want to learn, start from there.
The kind of trick you want to pull is the same insanity they do with LS V8s. Learn about how long it lasts, what need to be moded, what kind of metals you need to use, how and where to cnc parts with the right alloy...
Since we can't convince you that it's impossible, or at least irrational and you want to learn, start from there.
Barrett
Well-known member
This little innocuous thread has taken on a life of its own. Any way we can turn this into a MOTOR OIL discussion?
Warm regards,
GloomShadow
Warm regards,
GloomShadow
It was more of a "add 2 stroke oil to your gas". I'm on the fence about it overall, but I have a bottle of Redline 2 smoke oil that finds its way into my XB, 2 capfulls at a time. Its either working wonders or fouling my plugs. If it dies, it dies.
heavygunnz96
Member
I chose the hammer performance 90ci big bore kit,( I looked at the twin cycles1450 but it’s European; I have no experience with them so I decided against it) but you are correct WiseCo 2v Domed 12:1 race only piston kit and redshift 645V2 cams, redshift stated I’ll need a 1991-1999 pinion drive gear to go with the cams. Are there better piston choices? Without going for custom built piston’s ? which I know people do it but expensive for sure.
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@heavygunnz96, I think it's awesome that you are in school and that you come here to learn more about your passion. And i mean that - young blood ensures Buell motorcycles will live on.
Just understand that there are a lot of people on forums like these that already have engineering degrees and have been doing the kind of things you are taking about for a long, long time. If they say something that doesn't jive with what you think you know, that should be a red flag for you to do more research about what they are saying.
Question for you: what is your goal? Do you want the engine to make more power or just increase the redline? If you just like the sound of a high revving engine then these are just the wrong engines for you. There are a lot of mechanical and physics reasons which I don't understand well enough to illustrate. On the other hand, if you just want to make more power, well hell, there's lots of good ways to do that. Did you know these XB motorcycles were designed to have a turbocharger on them? There is a very sad history behind why that never happened from the factory, but several individuals have retrofitted turbos. Also, I've seen several people who added NOS - it seems that these engines can handle that very well. I even saw a Blast motor that was putting up with it.
Anyway, I wish you luck and would offer 2 pieces of advice:
1. Never use how long you've been doing something as proof that you are actually good at that thing. (I've been welding for 14 years and yet I still suck at it.)
2. Doing something tangentially related doesn't mean you know beans about engine mechanics and performance modifications. (I know guys who have been riding motorcycles for 40+ years but never so much as changed their oil...)
If you want to start to understand some of the unique qualities if these motors and why they won't rev high, this video goes into some details - technical talk starts around 2min in:
Just understand that there are a lot of people on forums like these that already have engineering degrees and have been doing the kind of things you are taking about for a long, long time. If they say something that doesn't jive with what you think you know, that should be a red flag for you to do more research about what they are saying.
Question for you: what is your goal? Do you want the engine to make more power or just increase the redline? If you just like the sound of a high revving engine then these are just the wrong engines for you. There are a lot of mechanical and physics reasons which I don't understand well enough to illustrate. On the other hand, if you just want to make more power, well hell, there's lots of good ways to do that. Did you know these XB motorcycles were designed to have a turbocharger on them? There is a very sad history behind why that never happened from the factory, but several individuals have retrofitted turbos. Also, I've seen several people who added NOS - it seems that these engines can handle that very well. I even saw a Blast motor that was putting up with it.
Anyway, I wish you luck and would offer 2 pieces of advice:
1. Never use how long you've been doing something as proof that you are actually good at that thing. (I've been welding for 14 years and yet I still suck at it.)
2. Doing something tangentially related doesn't mean you know beans about engine mechanics and performance modifications. (I know guys who have been riding motorcycles for 40+ years but never so much as changed their oil...)
If you want to start to understand some of the unique qualities if these motors and why they won't rev high, this video goes into some details - technical talk starts around 2min in:
