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cylinder sleeve ports?

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grgbulldog

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i found the picco 28 on amainhobbies says it has 8 ports, and the one on tower has 9. whats the difference here? I'm gonna order off tower if there isnt a big difference because they arent out of stock there.
 
The difference is some people count the exhaust as a port.

These are both STS .21
On the left is D21T MKII and on the right is D21T. They are both 5 port engines, but some would call the D21T a 7 port. Any cut in the sleeve that is exhaust or is under the piston surface at BDC is not truly a port.

There's only one model of the Picco .28 that I know of, so you should be golden no matter how many ports they claim it has.

IMG_3122.jpg


IMG_3123.jpg


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IMG_3125.gif
 
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