.....considering it. Any good advice on it or any past success stories? I know it's not particularly streets friendly, but it's a track bike.
edit with the results of what I decided to do:
Cliff's Notes--
984Kit: 96mm Pistons, 3 ring varient, 2mm cyl walls
Lightened, polished, knifed crank
Carillo Rods
AL Clutch hub, steel basket
YoYo light Flywheel
ST2 cams in "V" big valve heads
FCR41's banked on OE runners with K&N Pods (no box)
Fuel is 110LL fed by electric pump at 3.5psi
Ign Timing is max 37*
single oil cooler: running street temp < 175F
jetting came out as follows:
Main, 165
Needle on 5th, but I wish I had a few different tapers to try.
Fuel screw @ 1.5
200 main air
Slow air @ 2 1/2
Fuel level 9mm
91rwhp
Its the first bike ive ever felt compelled to name: Sanguinario Demone
I'd rather not shave or balance the crank. How much am I shorting myself there. It's just....$900 wow.
Same with the heads. No luck on affordable vee two or st2 cams, so oh well...
And for that matter, the carbs. Also stock. Jet kit, and will be optimally jetted, but FCR is next on the list.
What I DO have is the programmable ignition.
Worthwhile? I'm being offered a pretty solid deal on it locally, including machining the cases for the sleeve to fit down in. And the kicker is I happen to have them totally gutted and split all ready.
Joe- if you're reading this, keep your opinion to yourself or identify yourself!! hahaha
I wouldn't bother shaving the crank.
Balancing would likely be called for, depending on the weight of the pistons.
It's not particularly expensive to get a crank balanced, ~$100 or so.
What heads and cams do you have now?
I'm assuming you've got an oil cooler?
Quote from: Speeddog on January 11, 2012, 05:57:07 PM
I wouldn't bother shaving the crank.
Balancing would likely be called for, depending on the weight of the pistons.
It's not particularly expensive to get a crank balanced, ~$100 or so.
What heads and cams do you have now?
I'm assuming you've got an oil cooler?
From my understanding, one oil cooler isn't enough
I have the v marked 900 heads, and the stock oil cooler.
Hadn't thought of cooling issues....
Which cams do you have?
I'd say cooling depends on how hot it is where you race, where are you running?
Quote from: Speeddog on January 11, 2012, 08:49:24 PM
Which cams do you have?
I'd say cooling depends on how hot it is where you race, where are you running?
BCM found very early that 984's needed two coolers for the street.
I'd plan on it.
The cams are stock to the 1994 m900 I'm working on. HEads are off, I haven't pulled them yet to see the markings again. It's been a while.
Is there a tried and true way for adding an oil cooler?
I'm running in Pennsylvania. It can be 90's on a very hot summer day.
Quote from: avizpls on January 12, 2012, 06:38:54 AM
The cams are stock to the 1994 m900 I'm working on. HEads are off, I haven't pulled them yet to see the markings again. It's been a while.
Is there a tried and true way for adding an oil cooler?
I'm running in Pennsylvania. It can be 90's on a very hot summer day.
You might pm ducvet, or mail him at his business... www.clubhousemotorsports.com (//http://) ...he has a contact page
He might remember how they did it.
I think for what you are going to spend to get the most hp outta that setup....
DS1100 drop in.
Quote from: TAftonomos on January 12, 2012, 08:40:19 AM
I think for what you are going to spend to get the most hp outta that setup....
DS1100 drop in.
+1
What's a set of ST2 cams (with valves if you want them....the ring grooves are machined a little off from the standard 900 valves so that you can stay in the middle of the shim selection range instead of going to the extreme end of it) worth to ya? What's "affordable"?
I have a set that's about to go onto ebay, unless you want to make a nice offer here. [thumbsup]
Be interesting to see how a 984 responds to ST2 cams. What does your builder expect?
Are you staying with stock valve sizes? Maybe a 44mm inlet with porting? Also interesting to see how much of a bottle neck to peak power the long manifolds will be.
[popcorn]
So for this year I'm going to do the kit, and lighten the crank...all the bottom end stuff. Cams, headwork, larger valves will come next winter to unleash more of the kits potential.
I am the builder and I don't know what to expect! I wish I could do it all this year, but funds only allow so much and since the heads cam come of easily later but the crank can't, this is the order I'm doing it in.
Also I'll give it the FCR carbs this year too.
Sounds like a cool plan. Will watch with interest.
Cheers.
ST2 cams are damned hard to come by, but one of our forum members is selling his M900ie cams if you're willing to go down slightly:
http://www.ducatimonsterforum.org/index.php?topic=54206.0 (http://www.ducatimonsterforum.org/index.php?topic=54206.0)
PM 'Cloner'. He's got a set of ST2 cams & valves he'll b parting with very shortly...
Done! [evil]
So now we're talking!
Crankshaft light, knife, balanced
Carrillo rods
96mm pistons and cylinders
ST2 cams [drink]
FCR41 duals. (might make some short stacks if possible...we'll see)
then next year I'll get the MBP head work done.
I think I'll also cut out the frame behind the suspension mounts, and build a bolt-on Al subframe for the 996 tail section im running.
This is gonna be a fun track season.
Hope this may be useful for you:
Quote from: MotoCreations on September 06, 2010, 09:07:00 AM
FYI -- 984's run VERY hot due to thin cylinder walls. Needed two oil coolers to keep my Supersport w/FCR's from getting too hot with the fairings installed. I was running a 984 in my DesmoDevil w/ST2 cams and FCR's without oil coolers and 100% synthetic. Tens of thousands of miles on it over the years but it was very sensitive to the outside heat environment. (great engine to ride though in the cold!) It's DOA now -- cylinders scored, broken piston rings, piston damage from detonation and bearings "cooked". New engine transplant upcoming is less "hooligan"...
Good luck with the build! [thumbsup]
Interesting project, I too have been offered the same kit but not knowing what should be done to complement it is keeping me away from it but, I will watch with more than a passing curiosity.
[popcorn] [popcorn]
Mmick
Well I'll let you know how it works out. I have the machining done and all of the parts...just need time to put it all together. Thanks to cloner for the cams!
[popcorn]
Dudes...
(http://db.tt/RAh9Bxtx)
Fancy...
How's it run? [evil]
Quote from: avizpls on March 08, 2012, 04:14:06 PM
Dudes...
(http://db.tt/RAh9Bxtx)
SWEET!!
Will your finger print stay on the crank??
Mmick (an unabashed bumpy)
[thumbsup]
[popcorn]
Nt quite sure how it runs just yet haha. My biggest concern right now is the tuning. I got the FCR kit from cacycles, but it will be optimized for a more basic setup. Wonder how far off it will be?
Quote from: avizpls on March 10, 2012, 10:55:55 PM
Nt quite sure how it runs just yet haha. My biggest concern right now is the tuning. I got the FCR kit from cacycles, but it will be optimized for a more basic setup. Wonder how far off it will be?
My understanding is it will depend on head work performed and compression more than just displacement.
It will be better than stock carbs, but no one can say where you'll end up with tuning.
Good luck with that. Do you have access to dino time
Yes, I do. It won't be free, but affordable.
Quote from: avizpls on March 11, 2012, 09:53:24 AM
Yes, I do. It won't be free, but affordable.
You should be fine then.
Did you buy split or banked carbs?
Oh, missed your reply, sorry! Starting a business gets quite time consuming! I got the banked carbs. I was pretty torn, but ended up flipping a coin basically. It leaves the door open for future endeavors though...something funky with the intake runners.
Got all of the parts (main bearings came Friday) so I'm really pumped to start working on this. I need a few unrelated things to fall into place before I start into it though. Just don't have the time! I had a track day scheduled since Jan for April 25...that's my goal, but I won't be terribly surprised if I'm finally able to only get started around then. Please, cross your fingers!
On second thought, I did start. A few bearings are in the cases; some seals. One head is done. The other is cut and lapped, but not shimmed. But yeah....to me that seems a lot like "not started"
good luck with your biz
I have the 984 kit in the monsta. 5000 klm's on it now. Where did you get your 984 kit from? how much $ was it?
Cooling dosen't seem to be a problem and it gets hot here in Perth. Before the mod I was getting up to 80deg C now its up to 90deg C on a hot day. But.. the mods I did to help it.... Ceramic coated the piston crowns, head combustion chamber and exhaust ports to help keep heat out. Also coated the heads and Barrels with a heat dispersing coating.
The older 2V engines have a piston cooling oil jet that gets blocked for 180deg of rotation on the vertical head because of crank wheel. I modded it so that you get full 360deg. I didn't add another oil cooler but I also coated the old one with the heat dispersing coating.
I have the 210 veetwo cams and porting but I havn't got it on the dyno yet because i want to build another exhaust (the one on it is robbing power) when I get some free time.
the link... http://www.ducatimonsterforum.org/index.php?topic=42314.0 (http://www.ducatimonsterforum.org/index.php?topic=42314.0)
BTW. you pictures dont work for me (maybe because I'm at work?)
Got the bike all put back together. Wow is this amazing. Only jetting changes I've done so far are raise needle one click and richer up the air. I may consider richening the air jet too....it leans out just a bit at higher rpm. Speaking of which, it pulls hard past 9000rpm now. Pretty fantastic.
My kit was 900 with cases machined. The rest of the build I did, but the case milling is a bit much. Masured at the velocity stack nut on the horiz cyl, mine runs at 220F. I can deal with that I think
Oh most certainly am! What purpose does the Al block serve? I was planning to just route the two in series, as it appears you have. But that junction area....what's up there?
Thanks for the pic. That's going to be the plan.
Also...it seems like the exhaust valve cover is not like mine or your top one.
I've got a couple low-mount covers for coolers if need be...
All right. So I got to the dyno. Track this weekend. Sould be good.
I don't know what the compression is exactly, but somewhere between 12.5 and 13.2:1. The cylinder is milled short .020" to bump it a decent bit, but I skipped the part where i directly measure.
Cliff's Notes--
984Kit: 96mm Pistons, 3 ring varient, 2mm cyl walls
Lightened, polished, knifed crank
Carillo Rods
AL Clutch hub, steel basket
YoYo light Flywheel
ST2 cams in "V" big valve heads
FCR41's banked on OE runners with K&N Pods (no box)
Fuel is 110LL fed by electric pump at 3.5psi
Ign Timing is max 37*
single oil cooler: running street temp < 175F
jetting came out as follows:
Main, 165
Needle on 5th, but I wish I had a few different tapers to try.
Fuel screw @ 1.5
200 main air
Slow air @ 2 1/2
Fuel level 9mm
91rwhp
I Forget the rest. If anyone really cares I can check for them gladly.
As far as temp, running hard on the street is about 180f. Cool. After shut down, creeps to 220f. I'll check back with track day temps. This all with the single cooler still. And full fairings.
91rwhp.
Very cool build. [thumbsup]
Must have a substantial torque curve.
Running pods or open airbox?
2 pods right on the carbs.
Not sure on numbers for torque. We couldn't get a decent tap on rpm, so we just passed. Main effort was to ensure healthy a/f so my graphs are just power and a/f to speed.