Ah ok.
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Hi everyone,
As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.
When he passed, I worked with his kids to gather the necessary credentials to keep this site running. Since then (and for however long they worked with Coffee), Woodschick and Dirtdame have been maintaining the site and covering the costs. Without their hard work and financial support, CafeHusky would have been lost.
Over the past couple of weeks, I’ve been working to migrate the site to a free cloud compute instance so that Woodschick and Dirtdame no longer have to fund it. At the same time, I’ve updated the site to a current version of XenForo (the discussion software it runs on). The previous version was outdated and no longer supported.
Unfortunately, the new software version doesn’t support importing the old site’s styles, so for now, you’ll see the XenForo default style. This may change over time.
Coffee didn’t document the work he did on the site, so I’ve been digging through the old setup to understand how everything was running. There may still be things I’ve missed. One known issue is that email functionality is not yet working on the new site, but I hope to resolve this over time.
Thanks for your patience and support!
449/511 power upgrades.
- Thread starter Super5onic88
- Start date
Oh and I emailed the flat track guy but he hasn't logged in for a month. Hopefully he has some ideas. He had said they were getting really good gains
And another post lol, are you racing and the Colorado pro round?
Tinken
Husqvarna
Pro Class
When Ty was racing the 449, the FMF out produced the pro circuit pipes. If you want pretty, go Akro. Horsepower is the rate of acceleration, torque is power, the more torque you have, the faster you will pull those gears on the big track. I can build you a TXC511 engine that will compete with the big boys and swap your transmission for a six speed (same ratio, just one more gear). That is the most powerful engine Husky made of the 449s.
The crank mod allows more oil to pass by the main bearing. The crank shafts on these engines over heat and often seize. They cannot be rebuilt. Running SS filters and 0W40 oil considerably increases the longevity of the bearings by increasing cooling/flow, especially those which are fed by the tiny oil spray nozzles.
Caiman
Senior Vice Procrastinator
mmmm pretty...
I still reckon something was off with that Full Ti EVO system you got a hold of, the ones me and the guys have over here (Akra branded not Husky/Akra) are insanely loud, like loud enough to be the only bike black flagged out of 60 at a track day loud!
Tinken
Husqvarna
Pro Class
This is true. I remember the one you have is pretty wide open. I'm not that loud with my insert, but my friends say they can hear me coming miles away. haha
Caiman
Senior Vice Procrastinator
With the insert he Akra came with you can hear the induction nosie from the airbox over the exhaust it's that restrictive. I've bought 2 more inserts for various tracks, enough to get me under their noise limits and keep the police happy when on the street. Run it open when there's no noise limits 
along with ear plugs...
along with ear plugs...
Super5onic88
Husqvarna
AA Class
I ran the insert in my Akra system for one ride before ripping it out.
So much better! And abnoxiously loud!
I'm going to price up the 511 jug kit and get a quote from Powerflow for head work.
So much better! And abnoxiously loud!
I'm going to price up the 511 jug kit and get a quote from Powerflow for head work.
Tinken
Husqvarna
Pro Class
Make sure APL knows that you are adding 29cc to the combustion chamber.
R. Stephen
Husqvarna
Pro Class
Any recommendation on someone who reworks these husky heads a lot? or are you just doing your own? Also have you swapped in the transmissions at all yet? Heard a bunch about BMW trans swaps. Not sure if its worth it or not if the power upgrades and trans swap is $2-3K. I'll just wait for the new bikes to come out in buy one of them!
Tinken
Husqvarna
Pro Class
I added a ZipTy factory ported TC head to my 511 and had the combustion chamber reground to match the additional cc's. We also lightened my piston which increased the HP due to the lighter mass. Ty is the best person I know of, especially on the Huskys. I added the BMW transmission (hence my WR511) which is both primary and secondary gear sets, shifter forks and shifter drum. I wouldn't add that to your transmission for your racing, I would use the 6 speed TE transmission. This will allow you to drop a CS tooth and keep the same top speed giving you greater torque through the gears.
Tinken
Husqvarna
Pro Class
Originally, SpeedBrain created a 480cc over bore kit for the G450x and that evolved into the 478cc 511. It's possible, but by the time you bored and re-plated hassle, you could just buy the upgraded cylinder. 29 cc's doesn't seem like much, but adds 7.46 NM (5.5 FTlbs) of torque and that is significant.
Super5onic88
Husqvarna
AA Class
What performance gains did you notice after porting the head Tinken?
smooman
Husqvarna
AA Class
G'day Super5onic88,
My '11 TE511 has:
- Open air box.
- PC5+AT. (using ignition advance from Tinken maps, cheers!)
- Oz Akro "racing" exhaust with spark arrestor removed.
- Stock gearing.
I'm wondering if you are expecting too much from your 449? I have my 630 for the kind of things you seem to be looking for in your 449.
Even for a longish stroke big single it revs freely. (has PC5 too by the way).
But no there's no substitute for displacement though. I don't expect things from my 511 that that 630 can produce.
No disrespect here but it just seems that you want TE630/KTM690 size power from way less cc's? You're not going to get that unless it can rev to the moon, or make more torque via displacement.
Just my 2 cents.
Super5onic88
Husqvarna
AA Class
I'm in no way dissapointed in the power my 449 makes, I love it.
I just wanted to get a list going of the potential mods we can do to our machines to make them insane. If money was no object kinda deal.
Lets face it. We all love Moar Powah!
I just wanted to get a list going of the potential mods we can do to our machines to make them insane. If money was no object kinda deal.
Lets face it. We all love Moar Powah!
R. Stephen
Husqvarna
Pro Class
Anyone done any good power upgrades or rebuilds lately? Season is coming to an end and its going to be rebuild time soon.
The flat track guy pm me and said...
sorry,i didn't have access to my p.c.lately
i got the cam regrind (webcam)head ported and throttle body bored out
on the dynojet i went from 44 h.p. to 52h.p
my dyno give a good stock honda 49h.p.
at this point it is hard to get anymore out of it because of the availability of hard parts
but the bike is flawless,very reliable and it is fast for what the number shows
call Brad Keeney at KB5industries
to me i am still underpower for what We're doing but it's working
i need like 60+ h.p.
Basically he is in the same boat as you. If you contact the guy he recommends maybe you can get a little more out of it though.
sorry,i didn't have access to my p.c.lately
i got the cam regrind (webcam)head ported and throttle body bored out
on the dynojet i went from 44 h.p. to 52h.p
my dyno give a good stock honda 49h.p.
at this point it is hard to get anymore out of it because of the availability of hard parts
but the bike is flawless,very reliable and it is fast for what the number shows
call Brad Keeney at KB5industries
to me i am still underpower for what We're doing but it's working
i need like 60+ h.p.
Basically he is in the same boat as you. If you contact the guy he recommends maybe you can get a little more out of it though.
You all can get them to that hp? I know you talked about it with a 511 cylinder and piston. As far as it staying a 449 though?Or... you can have ZipTyRacing do the performance rebuild.