- Dit onderwerp bevat 90 reacties, 20 deelnemers, en is laatst bijgewerkt op 14 jaren, 6 maanden geleden door piontek.
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1 mei 2011 om 18:17 #486317
please speak english, I don’t understand dutch:? 😀
16 mei 2011 om 19:39 #486697Hi
some news with the cylinder.
Today after several tests, I decided to modify the exhaust port.As you know, the simonini exhaust port has got a sort of occlusion that doesn’t allow to
the gases to escape correctly out of it.
They drop against the area where it’s placed the threaded rod, that is a little bit inside the exhaust.In conclusion the flux is altered.
I decided to drill the threaded rod so that it reproduce perfectly the exhaust port, to avoid that the gases bangs on it and runs continuously.
After that I worked on the all exhaust area to make it as much as straight as possible.
16 mei 2011 om 20:51 #48595816 mei 2011 om 20:52 #48670216 mei 2011 om 20:56 #48670316 mei 2011 om 21:04 #486704the result of this modify is a better engine response since the low revs up to the mid. renge
The engine is more reactive and achieves much quicker the max torque.8)
17 mei 2011 om 17:38 #486728Looks nice, when will you start your engine 😀 ?
17 mei 2011 om 18:29 #486729The engine is already running 😀 (to be more precise, since a year)
I’m just showing you all the changes that I’ve done.I’ll post some other pictures, and than some vids.
17 mei 2011 om 21:33 #486750So actually we were all looking at some history around here?
I thought you’d posted some photos of your complete Si on this forum before?
Or maybe I’ve seen them on ccc.it…18 mei 2011 om 09:50 #465988yes it’s a sort of story, I didn’t posted on ccc my works ,(I mean not a topic).. I just psted only a photo into the elaborations, even ain’t finished.
Here I’ll post the complete work with some vids.
Hope I didn’t make you sad and disappointed :con18 mei 2011 om 10:06 #486764Ofcourse not, keep on posting 😉
18 mei 2011 om 14:23 #486773Indeed nice to see all the steps of improvement. For sure the vids makes me curiuos.
But why the hell i thought i’ve seen some photo’s before? Wasn’t your Si Black painted?
Or my memory is letting me down. 🙁18 mei 2011 om 15:42 #486777Piontek, non e un nome Italiano perro,
polski forse?bello motorino amigo,complimenti!
18 mei 2011 om 17:10 #460435Sebastard :
Piontek, non e un nome Italiano perro,
polski forse?bello motorino amigo,complimenti!
😀 Your italian is great man!
Anyway, yes it’s polski , I like it.18 mei 2011 om 17:15 #460432Martino :
Indeed nice to see all the steps of improvement. For sure the vids makes me curiuos.
But why the hell i thought i’ve seen some photo’s before? Wasn’t your Si Black painted?
Or my memory is letting me down. 🙁You’re right Martino, You didn’t make a mistake.
There are photos of my Si on ccc but there isn’t a topic such accurate like this.;)
Your memory isn’t rusty, I think it’s gonna work well still for a long time:lol -
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