2023 V4S Dyno Tunning @ Carita Motorsports in Miami

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There was some dude here that bought a legit RS bike and posted pics with the fairings off but never posted anything else.

The RS bikes are very obviously track only and there's so many part required to make that leap. I really wish Ducati didn't paywall that stuff as hard as they do.

But, not having a WSBK spec subframe isn't the thing that's slowing me down. 😆
 
bp_SFV4 said:
There was some dude here that bought a legit RS bike and posted pics with the fairings off but never posted anything else.

The RS bikes are very obviously track only and there's so many part required to make that leap. I really wish Ducati didn't paywall that stuff as hard as they do.

But, not having a WSBK spec subframe isn't the thing that's slowing me down. 😆
Click to expand...

Not slowing any of the rest of us down either. lol

One of the guys in our group has the former Baz bike from HSBK.
 
bp_SFV4 said:
Most post was meant as a reply to this.

I agree with what you’re saying. Besides, I never got on a Ducati and thought it needed more power outside of removing the OEM noise and emission constrained stock tune. Let’s say that’s a legit number, call it 220 HP at the rear tire, I’d say that’s just about the bleeding edge of reliability for an otherwise stock engine.
Click to expand...

Why would an extra 8 hp effect reliability?
 
Here’s the 23 R timing specs
IMG_0562.jpeg
 
SuperDomestique said:
Here’s the 23 R timing specs
View attachment 53023
Click to expand...

Thanks very interesting. Intake V4 13-49 242 degrees duration V4R 6-56 242 degrees duration. Ex V4 56 -13 249 degrees V4R 62-10 252 degrees. The intake has the same duration but the intake closing been retarded 7 degrees for topend. Longer duration on the exhaust and earlier opening. That must be doing that to get scavenging at 16,000. Early opening gives away some torque. Surprisingly little overlap. The R cams typically (at least the twin cams) have more aggressive flanks (more area under the curve for the same duration). More aggressive flanks would also achieve more overlap than the numbers suggest. Do you have the lift numbers? Thanks.
 
SuperDomestique said:
Here you go

View attachment 53024
Click to expand...

Almost 4 mm more intake lift than the V4S. This cam set will produce at least another 15 HP in the 1103's. Same valve sizes so the cam saddles should be the same. Should be a bolt in. The intake valve shimming will be totally different to allow that extra 4 mm. Now the overlap makes sense. The closing ramps must be cliff like. Thanks. I'd like to try a set of these.
 
baggerman said:
Almost 4 mm more intake lift than the V4S. This cam set will produce at least another 15 HP in the 1103's. Same valve sizes so the cam saddles should be the same. Should be a bolt in. The intake valve shimming will be totally different to allow that extra 4 mm. Now the overlap makes sense. The closing ramps must be cliff like. Thanks. I'd like to try a set of these.
Click to expand...

Would be interesting to see the results. It’ll cost you a pretty penny unless you can find used. You’d probably be in $5k+ for the camshafts

FRONT INTAKE CAMSHAFT - DUCPERFORMANCE | Genuine OEM Parts and Ducati Performance Accessories

ducperformance.com ducperformance.com
 
I find it interesting they're call out the intake openers setting range to be 0.001 inch tighter. So valve length change on the intake must only be around 0.001. $5k ouch. I'll have to wait to see how these work until Steven buys a set.
 

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