Looking for hard to find ST2 cams - Page 2 - Ducati.ms - The Ultimate Ducati Forum
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post #11 of 25 (permalink) Old Apr 7th, 2017, 4:11 am
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I am working on a 900SS/SP motor. I am looking for ST2 cams to go along with the 944 Pistal pistons and head work. I know they are hard to find but can anyone point me in a direction on my search?
Thanks, Stephen
Depends on how much money you want to spend...???
New Replica ST2 cams here:
Tuning-Teile kaufen und Tuning Tips | Ducati & Aprilia-Tuning Kämna

1997 900SS; 1997 916SPS (#296); 2001 996R (Unnumbered)
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post #12 of 25 (permalink) Old Apr 7th, 2017, 8:19 am
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Originally Posted by Neil66 View Post
Depends on how much money you want to spend...???
New Replica ST2 cams here:
Tuning-Teile kaufen und Tuning Tips | Ducati & Aprilia-Tuning Kämna
That's about what a set of used ST2 cams go for on ebay.

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post #13 of 25 (permalink) Old Apr 7th, 2017, 8:24 am
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When I was searching for ST2 cams for my Monster build, there were none available.

Then I found a bike breaker selling an ST2 engine so I bought that, used the cams and then sold most of the ST2 parts on - took a while but I ended up getting more back for the parts than I paid for the engine (and I've still got some leftovers).

I can't say what gains the cams gave individually as I did an extensive build; 944cc, HC pistons, gas-flowed heads, split-single FCRs etc. but the end result was well worth it.

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post #14 of 25 (permalink) Old Apr 7th, 2017, 12:20 pm
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I did a complete rebuild w/ 944 Pistals, head work, SSie cams, racked FCRs, etc. The motor dyno'd at 93 hp / 71 tq. I'm happy. ST2 cams and split FCRs might have yielded a little bit more. At the end of the day, its probably splitting hairs, though.

After installing the TPS recently, I wonder if this is more significant than SSie v. ST2 cams?

1998 SS FE #194
2005 749R #362
2006 999 S
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post #15 of 25 (permalink) Old Apr 7th, 2017, 3:06 pm
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If you are going to go to this extent, why are you not considering the High Torque cams from Vee two along with a set of there 944 pistons and the longer exhaust vales required?
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post #16 of 25 (permalink) Old Apr 7th, 2017, 6:34 pm
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the st2 cams will allow more top end than the 210, if the long manifolds can support it anyway. the 210 has very short exhaust duration in particular.

the 210 need longer inlet valves, due to the reduced base circle that is needed for the 13mm lift.

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post #17 of 25 (permalink) Old Apr 7th, 2017, 6:35 pm
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I did a complete rebuild w/ 944 Pistals, head work, SSie cams, racked FCRs, etc. The motor dyno'd at 93 hp / 71 tq. I'm happy. ST2 cams and split FCRs might have yielded a little bit more. At the end of the day, its probably splitting hairs, though.

After installing the TPS recently, I wonder if this is more significant than SSie v. ST2 cams?
tps can't help the wot power, but it can make a big change to the part throttle rideability and fuel economy.

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post #18 of 25 (permalink) Old Apr 8th, 2017, 9:35 am Thread Starter
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Depends on how much money you want to spend...???
New Replica ST2 cams here:
Tuning-Teile kaufen und Tuning Tips | Ducati & Aprilia-Tuning Kämna
Does anyone have an opinion on these reproduction cams? Know any history on them?
I am new to engine build ups and would like any feedback on how to best take advantage of the Keihin FCRs, Pistal 944 piston kit, valve and head work. I have been talking with the Ducshop about the work. ST2 cams were suggested as the best set-up for streetability. I am using short manifolds with split carbs.

Thanks, Stephen

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1965 350 Sebring, 1965 250 Scrambler, 1994 900SS/SP, 1997 900SS/SP, 2016 Scrambler Icon, 1986 Honda VFR 750, 1995 Honda VFR 750
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post #19 of 25 (permalink) Old Apr 8th, 2017, 12:45 pm
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Originally Posted by 58fleetside View Post
Does anyone have an opinion on these reproduction cams? Know any history on them?
I am new to engine build ups and would like any feedback on how to best take advantage of the Keihin FCRs, Pistal 944 piston kit, valve and head work. I have been talking with the Ducshop about the work. ST2 cams were suggested as the best set-up for streetability. I am using short manifolds with split carbs.

Thanks, Stephen
Can´t really help you with setup etc but I can tell you that Kämna Ducati have a fearsomely good reputation in Europe - I wouldn´t hesitate with using these cams from them - in fact I have been pricing up such a build vs going the 1100 way - I´m tending more to the 1100 direction as I´d get more bang for buck & a newer engine in the process... Ref thread on when to cut bait.

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post #20 of 25 (permalink) Old Apr 11th, 2017, 10:56 am
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58fleet - My understanding is that the FI cams are better for short intakes similar to what you would get with the FI engines. Shorter intakes have a higher "standing wave frequency", so less impedance to intake flow. ST2 are ideal for wanting real-world midrange, hence needing that with 944 for the ST2 to compensate for the bike's extra weight.

FI cams higher lift than carb cam
ST2 cams longer duration than carb cam.

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